pub.byline.book

{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "An author-authoritative record of a published or forthcoming work, signed by the author's own repository.",
      "key": "tid",
      "record": {
        "properties": {
          "authors": {
            "description": "Credited contributors. The repo owner is presumed primary author unless roles say otherwise.",
            "items": {
              "ref": "lex:pub.byline.defs#contributor",
              "type": "ref"
            },
            "type": "array"
          },
          "copyrightYear": {
            "description": "Year of first copyright for the work.",
            "type": "integer"
          },
          "cover": {
            "accept": [
              "image/png",
              "image/jpeg",
              "image/webp"
            ],
            "description": "Cover image, stored as a blob in the author's own repository.",
            "maxSize": 2000000,
            "type": "blob"
          },
          "coverAlt": {
            "description": "Alt text describing the cover image, for accessibility.",
            "maxLength": 1000,
            "type": "string"
          },
          "createdAt": {
            "format": "datetime",
            "type": "string"
          },
          "description": {
            "description": "Long blurb / marketing copy. Markdown; consumers render or strip.",
            "maxGraphemes": 5000,
            "type": "string"
          },
          "discussions": {
            "description": "Strong references to atproto-native discussion threads about this work (e.g. a Bluesky post, a pub.byline.comment). Off-protocol social goes in links[] with kind=discussion or social.",
            "items": {
              "ref": "lex:com.atproto.repo.strongRef",
              "type": "ref"
            },
            "type": "array"
          },
          "editions": {
            "items": {
              "ref": "lex:pub.byline.defs#edition",
              "type": "ref"
            },
            "type": "array"
          },
          "genres": {
            "description": "Shelf-category genres for the work. Freeform; byline's authoring tool suggests existing values to encourage convergence, but no value is enforced.",
            "items": {
              "maxGraphemes": 128,
              "maxLength": 128,
              "type": "string"
            },
            "type": "array"
          },
          "identifiers": {
            "ref": "lex:pub.byline.defs#identifiers",
            "type": "ref"
          },
          "language": {
            "description": "BCP-47 language tag, e.g. en, en-CA.",
            "type": "string"
          },
          "links": {
            "description": "Work-level links not tied to a specific edition.",
            "items": {
              "ref": "lex:pub.byline.defs#link",
              "type": "ref"
            },
            "type": "array"
          },
          "pageCount": {
            "description": "Work-level page count. An edition's pageCount overrides this when present.",
            "minimum": 1,
            "type": "integer"
          },
          "publicationDate": {
            "description": "Actual or planned first-publication date.",
            "format": "datetime",
            "type": "string"
          },
          "publisher": {
            "description": "Work-level publisher. An edition's publisher overrides this when present.",
            "maxLength": 256,
            "type": "string"
          },
          "series": {
            "description": "Series membership, if any. Book points at the series; the series record never points back.",
            "ref": "lex:pub.byline.defs#seriesMembership",
            "type": "ref"
          },
          "shortDescription": {
            "description": "Card and grid summary. Markdown; consumers render or strip.",
            "maxGraphemes": 500,
            "type": "string"
          },
          "status": {
            "knownValues": [
              "pub.byline.defs#published",
              "pub.byline.defs#forthcoming",
              "pub.byline.defs#draft",
              "pub.byline.defs#outOfPrint"
            ],
            "type": "string"
          },
          "subtitle": {
            "maxLength": 512,
            "type": "string"
          },
          "tagline": {
            "description": "One-line hook for hero or featured display. Plain text, no markdown.",
            "maxGraphemes": 200,
            "type": "string"
          },
          "tags": {
            "description": "Freeform descriptors. Genre lives in genres[]; tags are everything else.",
            "items": {
              "maxGraphemes": 128,
              "maxLength": 128,
              "type": "string"
            },
            "type": "array"
          },
          "title": {
            "maxLength": 512,
            "minLength": 1,
            "type": "string"
          },
          "updatedAt": {
            "format": "datetime",
            "type": "string"
          }
        },
        "required": [
          "title",
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "id": "pub.byline.book",
  "lexicon": 1
}