{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-12T20:48:55.104Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC3864",
  "document": {
    "abstract": "This specification defines registration procedures for the message header fields used by Internet mail, HTTP, Netnews and other applications. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "authors": [
      {
        "name": "Graham Klyne"
      },
      {
        "name": "Mark Nottingham"
      },
      {
        "name": "Jeffrey Mogul"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "docId": "RFC3864",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "docLabel": "IETF RFC 3864",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "docNumber": "3864",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "docTitle": "Registration Procedures for Message Header Fields",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "docType": "Best Practice",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "doi": "10.17487/RFC3864",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "href": "https://doi.org/10.17487/RFC3864",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "keywords": [
      "Email",
      "HTTP",
      "Netnews"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "Internet Mail",
        "HTTP",
        "Netnews"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:48:55.104Z",
      "version": "extractDocs.js@commit:158b95d12c23"
    },
    "pages": "17",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "publicationDate": "2004-09-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "references": {
      "bibliographic": [
        "RFC1036",
        "RFC1496",
        "RFC1505",
        "RFC1737",
        "RFC1864",
        "RFC1945",
        "RFC2045",
        "RFC2046",
        "RFC2141",
        "RFC822",
        "RFC2183",
        "RFC2227",
        "RFC2231",
        "RFC3798",
        "RFC2369",
        "RFC2396",
        "RFC3801",
        "RFC2518",
        "RFC2557",
        "RFC2616",
        "RFC2617",
        "RFC2821",
        "RFC2912",
        "RFC2919",
        "RFC2965",
        "RFC3261",
        "RFC3282",
        "W3C.xml.20001006",
        "RFC2156",
        "orphan/RFC3864/h:4b5311bb",
        "orphan/RFC3864/h:1982afe2",
        "orphan/RFC3864/h:582d2ca6"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=35 proseBlocks=43 skippedAnchorBlocks=38",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      },
      "normative": [
        "RFC2026",
        "RFC2119",
        "RFC2434",
        "RFC2822"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc3864/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
      "updated": "2026-10-12T20:14:33.912Z",
      "version": "extractDocs.js@commit:00855ca34fe0"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      },
      "amendedBy": [
        "RFC9110"
      ],
      "amendedBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      },
      "statusNote": "Best Current Practice",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3864/",
        "updated": "2026-10-12T20:14:33.912Z",
        "version": "extractDocs.js@commit:00855ca34fe0"
      }
    }
  }
}