# id.sifa.profile.publication

> Published by [sifa.id](https://lexicon.garden/identity/did:plc:2f2ahswozqy4v5lvu676375y)

✓ This is the authoritative definition for this NSID.

## Description

A publication authored or co-authored by the user.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:2f2ahswozqy4v5lvu676375y/id.sifa.profile.publication)
- [Documentation](https://lexicon.garden/lexicon/did:plc:2f2ahswozqy4v5lvu676375y/id.sifa.profile.publication/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:2f2ahswozqy4v5lvu676375y/id.sifa.profile.publication/examples)

## Definitions

### `id.sifa.profile.publication`

**Type**: `record`

Record representing a single publication.

**Key**: `tid`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `url` | `string` (uri) | No | URL to the publication. |
| `title` | `string` | Yes | Publication title. |
| `authors` | `array` | No | Co-authors. The record owner is always an implicit author. |
| `createdAt` | `string` (datetime) | Yes | Client-declared timestamp when this record was originally created. |
| `publisher` | `string` | No | Publisher, journal, or venue name. |
| `description` | `string` | No | Description or abstract. |
| `publishedAt` | `string` (datetime) | No | Publication date. |

### `id.sifa.profile.publication#author`

**Type**: `object`

A co-author of the publication.

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `did` | `string` (did) | No | Author's ATproto DID, if they have an account. |
| `name` | `string` | Yes | Author's display name. |

## Raw Schema

```json
{
  "id": "id.sifa.profile.publication",
  "defs": {
    "main": {
      "key": "tid",
      "type": "record",
      "record": {
        "type": "object",
        "required": [
          "title",
          "createdAt"
        ],
        "properties": {
          "url": {
            "type": "string",
            "format": "uri",
            "description": "URL to the publication."
          },
          "title": {
            "type": "string",
            "maxLength": 2000,
            "minLength": 1,
            "description": "Publication title.",
            "maxGraphemes": 200
          },
          "authors": {
            "type": "array",
            "items": {
              "ref": "#author",
              "type": "ref"
            },
            "maxLength": 50,
            "description": "Co-authors. The record owner is always an implicit author."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "Client-declared timestamp when this record was originally created."
          },
          "publisher": {
            "type": "string",
            "maxLength": 1000,
            "description": "Publisher, journal, or venue name.",
            "maxGraphemes": 100
          },
          "description": {
            "type": "string",
            "maxLength": 50000,
            "description": "Description or abstract.",
            "maxGraphemes": 5000
          },
          "publishedAt": {
            "type": "string",
            "format": "datetime",
            "description": "Publication date."
          }
        }
      },
      "description": "Record representing a single publication."
    },
    "author": {
      "type": "object",
      "required": [
        "name"
      ],
      "properties": {
        "did": {
          "type": "string",
          "format": "did",
          "description": "Author's ATproto DID, if they have an account."
        },
        "name": {
          "type": "string",
          "maxLength": 1000,
          "minLength": 1,
          "description": "Author's display name.",
          "maxGraphemes": 100
        }
      },
      "description": "A co-author of the publication."
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1,
  "description": "A publication authored or co-authored by the user."
}
```