{ "format": "agent-article-v0", "article_id": "EA-115", "canonical_url": "/tools/ea-115-document-fidelity", "page_type": "reference", "claim_ids": [], "evidence_ids": [ "EVD-EA-115-URL-DB57FED36D63", "EA-115-R11-RESEARCH", "EA-115-R11-WEB-READBACK" ], "unknown_ids": [ "EA-115-UNKNOWN-01", "EA-115-UNKNOWN-CURRENTNESS" ], "operational_object_ids": [], "provider": [ "Google" ], "models": [], "plans": [], "surfaces": [], "regions": [], "current_status": "UNKNOWN", "observation_status": "SPEC_ONLY", "freshness": "UNKNOWN", "last_verified": null, "supersedes": [], "superseded_by": [], "provenance": [ "COMM-040-EA0115", "SRC-EA-115-URL-DB57FED36D63", "WEBBODY-EA0115-R8-ACF777BA" ], "article_sources": [ { "id": "EVD-EA-115-URL-DB57FED36D63", "evidence_class": "RESEARCH", "title": "source class: official API concept documentation; exact title: Structure of a Google Docs document; author/org: Google for Developers; canonical URL:", "href": "https://developers.google.com/workspace/docs/api/concepts/structure", "supports": [], "limit": "元の監査済み資料に記載された参照先です。URLの復元は、資料の最新性や全主張の支持を新たに検証したことを意味しません。", "origin_class": "SOURCE_PACKET_REFERENCE", "source_or_experiment_ids": [ "SRC-EA-115-URL-DB57FED36D63" ], "supporting_locators": [ "EVIDENCE TABLE", "- source class: official API concept documentation; exact title: Structure of a Google Docs document; author/org: Google for Developers; canonical URL: https://developers.google.com/workspace/docs/api/concepts/structure" ], "scope": "EVIDENCE TABLE", "provenance_status": "SOURCE_PACKET_REFERENCE_PROJECTED" }, { "id": "EA-115-R11-RESEARCH", "evidence_class": "RESEARCH", "title": "EA-115 監査済みresearch / canonical revision binding", "supports": [ "Google Docsの一次Docsは、document/tab/body/StructuralElement/Paragraph/TextRunを構造として表し、text、inline image、formatting、header/footer/footnoteを含むこと、indexはsegment内の位置であることを確立する。したがってfidelity評価はplain textだけでなく構造要素・style・位置・脚注等を比較対象にする必要がある。しかし、この資料はGoogle Docsのrepresentationであり、DOCX/PDF/Slidesの相互変換、印刷レンダリング、font substitution、画像解像度、視覚的同一性の保証を確立しない。" ], "limit": "canonical監査・revision bindingの存在を示す。外部ソースcurrentnessが本文またはcontrol-planeで確定していない場合は、currentnessをUNKNOWNのまま保持する。", "origin_class": "AUDITED_CANONICAL_RESEARCH_PACKET", "source_or_experiment_ids": [ "COMM-040-EA0115" ], "supporting_locators": [ "COMM-040-EA0115", "EA-115-R5-LEGACY-MIGRATION-20261008-R1", "content/staging/EA-115.md" ], "scope": "監査済みEA本文・canonical revision・既存Source Graph relationの範囲。欠損currentnessは推測で閉じない。", "provenance_status": "AUDIT_PASS_CANONICAL_BINDING" }, { "id": "EA-115-R11-WEB-READBACK", "evidence_class": "IMPL", "title": "EA-115 Web body identity / canonical readback", "supports": [ "canonical staging bodyのSHA-256一致とR9 canonical ledger readbackをProduction projectionの入力として検証する。" ], "limit": "body identity/readbackは本文claim自体の真偽や外部ソースの最新性を追加保証しない。", "checked_at": null, "origin_class": "IMPLEMENTATION_READBACK", "source_or_experiment_ids": [ "WEBBODY-EA0115-R8-ACF777BA" ], "supporting_locators": [ "WEBBODY-EA0115-R8-ACF777BA", "content/staging/EA-115.md", "EA-115-R5-LEGACY-MIGRATION-20261008-R1" ], "scope": "R9/R10 canonical readback後のProduction生成時body identity。", "provenance_status": "CANONICAL_READBACK_BODY_HASH_MATCH" } ], "research_sections": [ { "heading": "WHY_THIS_MATTERS_TO_UPDATE", "text": "文書agentの「内容が合っている」と「視覚・構造・脚注・画像・レイアウトが保たれている」は別であり、DOCX/PDF/Slides/Docs間の変換で損失を計測できる更新設計が必要。" }, { "heading": "SCOPE_ROUTING", "text": "application / interoperability / implementation / benchmark / audit" }, { "heading": "CLAIM_OR_RESEARCH_QUESTION", "text": "Google Docs APIの文書構造がどの視覚要素を明示的に表すか。これをDOCX/PDF/Slides全般のfidelity保証へ外挿できるか。" }, { "heading": "EVIDENCE TABLE", "text": "- source class: official API concept documentation; exact title: Structure of a Google Docs document; author/org: Google for Developers; canonical URL: https://developers.google.com/workspace/docs/api/concepts/structure; publication/update/access: current page accessed 2026-09-13 JST; version/release/tag/commit/API revision/model ID: Google Docs API current representation; supporting locator: lines 61-80（document/tabs）、90-97（StructuralElement、text/inline images/formatting、Header/Footer/Footnote）、120-123（segment indexes）; evidence label: VERIFIED_SPEC + PRODUCT_VOLATILE; relation: support / limit.\n- source class: official API concept documentation; exact title: Structure of a Google Docs document; author/org: Google for Developers; canonical URL: https://developers.google.com/workspace/docs/api/concepts/structure; publication/update/access: current page accessed 2026-09-13 JST; version/release/tag/commit/API revision/model ID: current Docs API tab representation; supporting locator: lines 98-111（paragraph/TextRun boundaries and styles）; evidence label: VERIFIED_SPEC + PRODUCT_VOLATILE; relation: support / limit." }, { "heading": "FINDINGS", "text": "Google Docsの一次Docsは、document/tab/body/StructuralElement/Paragraph/TextRunを構造として表し、text、inline image、formatting、header/footer/footnoteを含むこと、indexはsegment内の位置であることを確立する。したがってfidelity評価はplain textだけでなく構造要素・style・位置・脚注等を比較対象にする必要がある。しかし、この資料はGoogle Docsのrepresentationであり、DOCX/PDF/Slidesの相互変換、印刷レンダリング、font substitution、画像解像度、視覚的同一性の保証を確立しない。" }, { "heading": "LIMITS / COUNTEREVIDENCE / FAILURE ENVELOPE", "text": "structural equivalenceとpixel/print fidelityは異なる。フォント、page break、table/column、alt text、embedded object、tracked changes、equation、PDF annotation、Slides themeは未確認。Google Docs APIの取得・更新成功は、ユーザーが見るレイアウト保存を証明しない。" }, { "heading": "AVAILABILITY_GATES", "text": "Docs API権限、document/tab/segment、export format、font/rendering environment、Drive sharingを確認する必要がある。実文書の変換・外部書込み・レンダリング比較は未実施。" }, { "heading": "IMPLEMENTATION_STATE", "text": "fidelity profile（content / structure / style / pagination / visual / metadata）とbefore-after artifact hash/diffの設計候補。実装・実測未実施。" }, { "heading": "BENCHMARK_OR_EVAL", "text": "synthetic fixtureに見出し、脚注、画像、表、結合、page break、special fontを含め、round-trip後のtext/structure/style/page screenshot/metadataを別scoreにする。human visual reviewとmachine diffを併記する。" }, { "heading": "SECURITY / PRIVACY / AUDIT / COST / OPERABILITY", "text": "SECURITY/PRIVACY: synthetic docsを使用、埋込み画像/metadataの漏えいを検査。AUDIT: source format, export tool/version, font set, hashes, page count, diff artifact. COST: render/export/review工数。OPERABILITY: fail-closed on fidelity loss、manual exception、format-specific profile。" }, { "heading": "SAFE_WORDING_FOR_FUTURE_BOOK", "text": "「Google Docs APIは文書を構造要素、text run、画像、書式、header/footer/footnoteとして扱う。したがってdocument fidelityは内容・構造・書式・描画を分解して検証すべきだが、このAPI仕様だけでDOCX/PDF/Slides間の視覚的同一性や変換完全性を保証できない。」" }, { "heading": "UPDATE_WORK_HANDOFF", "text": "本文改訂時はformatごとにfidelity contractを作り、content/structure/style/visualを別判定する。DOCX/PDF/Slidesのcanonical specと現行converter/versionを追加採集し、現在のGoogle Docs証拠を全形式へ拡張しない。" }, { "heading": "OPEN_UNKNOWN", "text": "DOCX OOXML/PDF/Slidesの版別保存範囲、font/rendering差、tracked changes/annotation/embedded object、各provider converterのfailure rate。" }, { "heading": "STOP_CONDITION", "text": "text一致だけでfidelity passにしない。Google Docsの構造仕様を別形式の保証へ一般化しない。\nUNIT_CLOSE_STATUS: INDIVIDUAL_BOUNDED_CLOSE / EVIDENCE_RECORDED / UNKNOWN_PRESERVED\n\n---" } ], "human_url": "/tools/ea-115-document-fidelity", "markdown_url": "/agent/article.md?path=%2Ftools%2Fea-115-document-fidelity", "json_url": "/agent/article.json?path=%2Ftools%2Fea-115-document-fidelity" }