{
  "openapi": "3.1.0",
  "info": {
    "title": "Litecoin Register API",
    "version": "1.0.0",
    "description": "Litecoin Register tracks how much Litecoin (LTC) is held by publicly known exchanges, investment products, miners, governments and ecosystem protocols. Every figure links to its source, states how it was obtained, and is available as HTML, JSON, CSV and Markdown. All endpoints are static files: GET only, no authentication.",
    "license": {
      "name": "CC BY 4.0",
      "url": "https://creativecommons.org/licenses/by/4.0/"
    }
  },
  "servers": [
    {
      "url": "https://litecoinregister.org/"
    }
  ],
  "externalDocs": {
    "url": "https://litecoinregister.org/methodology/",
    "description": "Methodology and definitions"
  },
  "paths": {
    "/api/v1/entities.json": {
      "get": {
        "operationId": "listEntities",
        "summary": "All entities, largest current holding first",
        "responses": {
          "200": {
            "description": "All entities",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "generated_at",
                    "license",
                    "data"
                  ],
                  "properties": {
                    "schema_version": {
                      "type": "string"
                    },
                    "generated_at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "publisher": {
                      "type": "string"
                    },
                    "license": {
                      "type": "object",
                      "properties": {
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      }
                    },
                    "documentation": {
                      "type": "string",
                      "format": "uri"
                    },
                    "json_schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "data": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/Entity"
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/entities/{id}.json": {
      "get": {
        "operationId": "getEntity",
        "summary": "One entity by its stable ID",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^[a-z0-9-]+$"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "The entity",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "generated_at",
                    "license",
                    "data"
                  ],
                  "properties": {
                    "schema_version": {
                      "type": "string"
                    },
                    "generated_at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "publisher": {
                      "type": "string"
                    },
                    "license": {
                      "type": "object",
                      "properties": {
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      }
                    },
                    "documentation": {
                      "type": "string",
                      "format": "uri"
                    },
                    "json_schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "data": {
                      "$ref": "#/components/schemas/Entity"
                    }
                  }
                }
              }
            }
          },
          "404": {
            "description": "No entity with this ID"
          }
        }
      }
    },
    "/api/v1/categories/{category}.json": {
      "get": {
        "operationId": "listEntitiesByCategory",
        "summary": "Entities in one category",
        "parameters": [
          {
            "name": "category",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "enum": [
                "exchanges",
                "investment-products",
                "company-treasuries",
                "miners",
                "governments",
                "ecosystem"
              ]
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Entities in the category",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "generated_at",
                    "license",
                    "data"
                  ],
                  "properties": {
                    "schema_version": {
                      "type": "string"
                    },
                    "generated_at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "publisher": {
                      "type": "string"
                    },
                    "license": {
                      "type": "object",
                      "properties": {
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      }
                    },
                    "documentation": {
                      "type": "string",
                      "format": "uri"
                    },
                    "json_schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "total_ltc": {
                      "type": "number"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "data": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/Entity"
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/categories/{category}/{subcategory}.json": {
      "get": {
        "operationId": "listEntitiesBySubcategory",
        "summary": "Entities in one subcategory",
        "parameters": [
          {
            "name": "category",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "enum": [
                "exchanges",
                "investment-products",
                "company-treasuries",
                "miners",
                "governments",
                "ecosystem"
              ]
            }
          },
          {
            "name": "subcategory",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "enum": [
                "centralized-exchange",
                "broker",
                "swap-service",
                "industry-aggregate",
                "single-asset-fund",
                "multi-asset-fund",
                "public-company",
                "private-company",
                "mining-company",
                "mining-pool",
                "seized-funds",
                "reserve-holding",
                "layer-2",
                "extension-block",
                "cross-chain-protocol",
                "wrapped-token",
                "collectible"
              ]
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Entities in the subcategory",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "generated_at",
                    "license",
                    "data"
                  ],
                  "properties": {
                    "schema_version": {
                      "type": "string"
                    },
                    "generated_at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "publisher": {
                      "type": "string"
                    },
                    "license": {
                      "type": "object",
                      "properties": {
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      }
                    },
                    "documentation": {
                      "type": "string",
                      "format": "uri"
                    },
                    "json_schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "total_ltc": {
                      "type": "number"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "data": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/Entity"
                      }
                    }
                  }
                }
              }
            }
          },
          "404": {
            "description": "No entities in this subcategory yet"
          }
        }
      }
    },
    "/api/v1/summary.json": {
      "get": {
        "operationId": "getSummary",
        "summary": "Totals by category",
        "responses": {
          "200": {
            "description": "Summary",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "generated_at",
                    "license",
                    "data"
                  ],
                  "properties": {
                    "schema_version": {
                      "type": "string"
                    },
                    "generated_at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "publisher": {
                      "type": "string"
                    },
                    "license": {
                      "type": "object",
                      "properties": {
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      }
                    },
                    "documentation": {
                      "type": "string",
                      "format": "uri"
                    },
                    "json_schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "data": {
                      "type": "object"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/data/entities.csv": {
      "get": {
        "operationId": "entitiesCsv",
        "summary": "Current holdings as CSV",
        "responses": {
          "200": {
            "description": "CSV",
            "content": {
              "text/csv": {
                "schema": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    },
    "/data/holdings.csv": {
      "get": {
        "operationId": "holdingsCsv",
        "summary": "All holding snapshots as CSV",
        "responses": {
          "200": {
            "description": "CSV",
            "content": {
              "text/csv": {
                "schema": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    },
    "/data/entities/{id}.csv": {
      "get": {
        "operationId": "getEntityHoldingsCsv",
        "summary": "Every holding snapshot for one entity as CSV",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "CSV",
            "content": {
              "text/csv": {
                "schema": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    },
    "/data/addresses/{id}.csv": {
      "get": {
        "operationId": "getEntityAddressesCsv",
        "summary": "One entity’s attributed addresses as CSV: address, label, attribution",
        "description": "Published only for entities whose address_count is above 0; the record’s urls.addresses_csv is null otherwise.",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "CSV",
            "content": {
              "text/csv": {
                "schema": {
                  "type": "string"
                }
              }
            }
          },
          "404": {
            "description": "The entity has no attributed addresses"
          }
        }
      }
    },
    "/data/series/entities/{id}.json": {
      "get": {
        "operationId": "getEntitySeries",
        "summary": "Holdings over time for one entity as [date, LTC] pairs",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Series",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "generated_at",
                    "license",
                    "data"
                  ],
                  "properties": {
                    "schema_version": {
                      "type": "string"
                    },
                    "generated_at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "publisher": {
                      "type": "string"
                    },
                    "license": {
                      "type": "object",
                      "properties": {
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      }
                    },
                    "documentation": {
                      "type": "string",
                      "format": "uri"
                    },
                    "json_schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "data": {
                      "type": "object"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/data/series/categories/{category}.json": {
      "get": {
        "operationId": "getCategorySeries",
        "summary": "Combined holdings over time for one category as [date, LTC] pairs",
        "parameters": [
          {
            "name": "category",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "enum": [
                "exchanges",
                "investment-products",
                "company-treasuries",
                "miners",
                "governments",
                "ecosystem"
              ]
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Series",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "schema_version",
                    "generated_at",
                    "license",
                    "data"
                  ],
                  "properties": {
                    "schema_version": {
                      "type": "string"
                    },
                    "generated_at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "publisher": {
                      "type": "string"
                    },
                    "license": {
                      "type": "object",
                      "properties": {
                        "name": {
                          "type": "string"
                        },
                        "url": {
                          "type": "string"
                        }
                      }
                    },
                    "documentation": {
                      "type": "string",
                      "format": "uri"
                    },
                    "json_schema": {
                      "type": "string",
                      "format": "uri"
                    },
                    "data": {
                      "type": "object"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/entities/{id}.md": {
      "get": {
        "operationId": "getEntityMarkdown",
        "summary": "One entity as Markdown",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Markdown",
            "content": {
              "text/markdown": {
                "schema": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    },
    "/llms.txt": {
      "get": {
        "operationId": "llmsTxt",
        "summary": "Site index for language models",
        "responses": {
          "200": {
            "description": "llms.txt",
            "content": {
              "text/plain": {
                "schema": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Entity": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
            "description": "Stable identifier. Never reused or changed; used in every URL for this entity."
          },
          "name": {
            "type": "string",
            "minLength": 1,
            "description": "Common name of the entity."
          },
          "legal_name": {
            "description": "Registered legal name, or null.",
            "type": [
              "string",
              "null"
            ]
          },
          "aliases": {
            "default": [],
            "description": "Other names the entity is known by.",
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "category": {
            "type": "string",
            "enum": [
              "exchange",
              "investment_product",
              "corporate_treasury",
              "miner",
              "government",
              "ecosystem"
            ],
            "description": "What kind of holder this is."
          },
          "subcategory": {
            "anyOf": [
              {
                "type": "string",
                "enum": [
                  "centralized-exchange",
                  "broker",
                  "swap-service",
                  "industry-aggregate",
                  "single-asset-fund",
                  "multi-asset-fund",
                  "public-company",
                  "private-company",
                  "mining-company",
                  "mining-pool",
                  "seized-funds",
                  "reserve-holding",
                  "layer-2",
                  "extension-block",
                  "cross-chain-protocol",
                  "wrapped-token",
                  "collectible"
                ]
              },
              {
                "type": "null"
              }
            ],
            "description": "Finer classification within the category, or null."
          },
          "jurisdiction": {
            "type": "object",
            "properties": {
              "code": {
                "type": "string",
                "pattern": "^[A-Z]{2}$",
                "description": "ISO 3166-1 alpha-2 code. EU means Europe with no specific country; ZZ means unknown. XA–XZ are used only by fixture data."
              },
              "name": {
                "type": "string",
                "minLength": 1,
                "description": "Human-readable jurisdiction name."
              }
            },
            "required": [
              "code",
              "name"
            ],
            "additionalProperties": false,
            "description": "Primary legal jurisdiction of the entity."
          },
          "website": {
            "anyOf": [
              {
                "type": "string",
                "format": "uri"
              },
              {
                "type": "null"
              }
            ],
            "description": "Official website, or null."
          },
          "tickers": {
            "default": [],
            "description": "Exchange tickers, for listed products or companies.",
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "status": {
            "default": "active",
            "description": "Operating status.",
            "type": "string",
            "enum": [
              "active",
              "inactive",
              "defunct"
            ]
          },
          "summary": {
            "type": "string",
            "minLength": 1,
            "maxLength": 280,
            "description": "One-sentence description, at most 280 characters."
          },
          "description": {
            "type": "string",
            "minLength": 1,
            "description": "Longer plain-text description."
          },
          "holdings": {
            "minItems": 1,
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "as_of": {
                  "type": "string",
                  "format": "date",
                  "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
                  "description": "Date the balance applies to (YYYY-MM-DD). Not the date it was published."
                },
                "amount_ltc": {
                  "type": "number",
                  "minimum": 0,
                  "description": "Litecoin held, in whole LTC (1 LTC = 100,000,000 litoshis). Decimal, never a string."
                },
                "method": {
                  "type": "string",
                  "enum": [
                    "proof_of_reserves",
                    "regulatory_filing",
                    "court_record",
                    "self_reported",
                    "on_chain_attribution",
                    "third_party_estimate"
                  ],
                  "description": "How the figure was obtained. See /methodology for definitions."
                },
                "source_ids": {
                  "minItems": 1,
                  "type": "array",
                  "items": {
                    "type": "string",
                    "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
                  },
                  "description": "IDs of entries in this entity’s sources array that support the figure."
                },
                "note": {
                  "description": "Caveats a reader needs to interpret the figure correctly.",
                  "type": "string"
                }
              },
              "required": [
                "as_of",
                "amount_ltc",
                "method",
                "source_ids"
              ],
              "additionalProperties": false,
              "description": "A point-in-time balance for one entity."
            },
            "description": "Balance history. The entry with the latest as_of is the current holding."
          },
          "sources": {
            "minItems": 1,
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "id": {
                  "type": "string",
                  "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
                  "description": "Identifier for this source, unique within the entity. Referenced by holding.source_ids."
                },
                "title": {
                  "type": "string",
                  "minLength": 1,
                  "description": "Title of the document or page."
                },
                "publisher": {
                  "type": "string",
                  "minLength": 1,
                  "description": "Organization that published the source."
                },
                "url": {
                  "type": "string",
                  "format": "uri",
                  "description": "Where the source can be read."
                },
                "kind": {
                  "type": "string",
                  "enum": [
                    "filing",
                    "attestation",
                    "press_release",
                    "court_document",
                    "news",
                    "on_chain",
                    "website"
                  ],
                  "description": "What sort of document the source is."
                },
                "published": {
                  "description": "Publication date of the source (YYYY-MM-DD), if known.",
                  "type": "string",
                  "format": "date",
                  "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$"
                },
                "accessed": {
                  "type": "string",
                  "format": "date",
                  "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
                  "description": "Date the registry last confirmed the source said what we cite it for (YYYY-MM-DD)."
                }
              },
              "required": [
                "id",
                "title",
                "publisher",
                "url",
                "kind",
                "accessed"
              ],
              "additionalProperties": false,
              "description": "A document that supports one or more holding snapshots."
            },
            "description": "All documents cited by this record."
          },
          "tags": {
            "default": [],
            "description": "Free-form lowercase tags.",
            "type": "array",
            "items": {
              "type": "string",
              "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
            }
          },
          "last_reviewed": {
            "type": "string",
            "format": "date",
            "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
            "description": "Date an editor last reviewed the whole record (YYYY-MM-DD)."
          },
          "is_fixture": {
            "default": false,
            "description": "True for placeholder data used during development. Fixture records describe fictional entities and must not be cited.",
            "type": "boolean"
          },
          "subcategory_label": {
            "description": "Human-readable form of subcategory, or null.",
            "type": [
              "string",
              "null"
            ]
          },
          "category_label": {
            "type": "string",
            "description": "Human-readable form of category."
          },
          "address_count": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991,
            "description": "Number of addresses attributed to the entity. The list itself is at urls.addresses_csv."
          },
          "current_holding": {
            "type": "object",
            "properties": {
              "as_of": {
                "type": "string",
                "format": "date",
                "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
                "description": "Date the balance applies to (YYYY-MM-DD). Not the date it was published."
              },
              "amount_ltc": {
                "type": "number",
                "minimum": 0,
                "description": "Litecoin held, in whole LTC (1 LTC = 100,000,000 litoshis). Decimal, never a string."
              },
              "method": {
                "type": "string",
                "enum": [
                  "proof_of_reserves",
                  "regulatory_filing",
                  "court_record",
                  "self_reported",
                  "on_chain_attribution",
                  "third_party_estimate"
                ],
                "description": "How the figure was obtained. See /methodology for definitions."
              },
              "source_ids": {
                "minItems": 1,
                "type": "array",
                "items": {
                  "type": "string",
                  "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"
                },
                "description": "IDs of entries in this entity’s sources array that support the figure."
              },
              "note": {
                "description": "Caveats a reader needs to interpret the figure correctly.",
                "type": "string"
              },
              "method_label": {
                "type": "string",
                "description": "Human-readable form of method."
              },
              "sources": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "id": {
                      "type": "string",
                      "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
                      "description": "Identifier for this source, unique within the entity. Referenced by holding.source_ids."
                    },
                    "title": {
                      "type": "string",
                      "minLength": 1,
                      "description": "Title of the document or page."
                    },
                    "publisher": {
                      "type": "string",
                      "minLength": 1,
                      "description": "Organization that published the source."
                    },
                    "url": {
                      "type": "string",
                      "format": "uri",
                      "description": "Where the source can be read."
                    },
                    "kind": {
                      "type": "string",
                      "enum": [
                        "filing",
                        "attestation",
                        "press_release",
                        "court_document",
                        "news",
                        "on_chain",
                        "website"
                      ],
                      "description": "What sort of document the source is."
                    },
                    "published": {
                      "description": "Publication date of the source (YYYY-MM-DD), if known.",
                      "type": "string",
                      "format": "date",
                      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$"
                    },
                    "accessed": {
                      "type": "string",
                      "format": "date",
                      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
                      "description": "Date the registry last confirmed the source said what we cite it for (YYYY-MM-DD)."
                    }
                  },
                  "required": [
                    "id",
                    "title",
                    "publisher",
                    "url",
                    "kind",
                    "accessed"
                  ],
                  "additionalProperties": false,
                  "description": "A document that supports one or more holding snapshots."
                },
                "description": "The sources cited by this holding, resolved from source_ids."
              }
            },
            "required": [
              "as_of",
              "amount_ltc",
              "method",
              "source_ids",
              "method_label",
              "sources"
            ],
            "additionalProperties": false,
            "description": "The holding with the latest as_of date. This is the figure to quote."
          },
          "urls": {
            "type": "object",
            "properties": {
              "html": {
                "type": "string",
                "format": "uri",
                "description": "Canonical human-readable page."
              },
              "json": {
                "type": "string",
                "format": "uri",
                "description": "This record as JSON."
              },
              "markdown": {
                "type": "string",
                "format": "uri",
                "description": "This record as Markdown, for language models."
              },
              "csv": {
                "type": "string",
                "format": "uri",
                "description": "Full holding history for this record as CSV, one row per observation."
              },
              "addresses_csv": {
                "anyOf": [
                  {
                    "type": "string",
                    "format": "uri"
                  },
                  {
                    "type": "null"
                  }
                ],
                "description": "The addresses attributed to this entity as CSV (address, label, attribution), or null if it has none. For on_chain_attribution figures these are exactly the addresses whose balances are summed."
              }
            },
            "required": [
              "html",
              "json",
              "markdown",
              "csv",
              "addresses_csv"
            ],
            "additionalProperties": false,
            "description": "Absolute URLs for this record in each format."
          }
        },
        "required": [
          "id",
          "name",
          "legal_name",
          "aliases",
          "category",
          "subcategory",
          "jurisdiction",
          "website",
          "tickers",
          "status",
          "summary",
          "description",
          "holdings",
          "sources",
          "tags",
          "last_reviewed",
          "is_fixture",
          "subcategory_label",
          "category_label",
          "address_count",
          "current_holding",
          "urls"
        ],
        "additionalProperties": false,
        "description": "A publicly known entity that holds Litecoin, as published by the Litecoin Register API."
      }
    }
  }
}