GPAI Ledger › Claude Opus 4.8 (Anthropic) › Capture 17 Aug 2026

Claude Opus 4.8 — capture 20260817T082414Z

Verify: sha256sum 76c2f3bf16214ed85991930f4a13075abbc2a55ae151576c0bd578e2203393c2.html.txt must equal the hash above (the filename IS the expected hash); ots verify 76c2f3bf16214ed85991930f4a13075abbc2a55ae151576c0bd578e2203393c2.html.ots -f 76c2f3bf16214ed85991930f4a13075abbc2a55ae151576c0bd578e2203393c2.html.txt (opentimestamps.org) proves the capture time (fresh proofs report 'pending' until bitcoin-anchored, typically within a day).

Extracted text

Machine-extracted text (layout may be lost; the authoritative content is the stored file above).

Trust Center - Anthropic

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[Anthropic] 2025 Type 1 HIPAA - Report (C4E).pdf
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[Anthropic] 2025 Type 1 HIPAA Report (1P API).pdf
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[Anthropic] HIPAA-Ready Offering Implementation Guide
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v07.16.2026
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[Anthropic] 2026 NIST 800-171r3 Attestation Letter
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FedRAMP
Claude for Government (C4G) PFCS-SS FedRAMP High Authorization Package
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[Anthropic Ireland Limited] Cyber Essentials Certificate (2025)
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[Anthropic] - SIG Lite (June 2026)
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[Anthropic] - Infrastructure Diagram - April 2025
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Anthropic Frontier Compliance Framework
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[Anthropic] CMEK - Cryptographic Design Whitepaper
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Claude Cowork Desktop Security Architecture Overview
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v5   Apr 21, 2026
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Claude Desktop Security Overview (Third-party platforms)
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V3.0
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Claude Code FISMA Best Practices
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v1.0
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Claude for Excel, Powerpoint, Word: Architecture Overview (Anthropic first party)
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Claude for Excel, Powerpoint, Word: Architecture Overview (Third party platforms)
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[Anthropic] Identity & Access Controls
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[Anthropic] Data Handling & Key Management
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[Anthropic] Anthropic's Enterprise Security Posture
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[Anthropic] Security and Privacy Design of Anthropic Data Retention and Review
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Security Advisories
CVE-2026-22561 - DLL Search Order Hijacking in Claude for Windows installer
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 CVE-2026-22561 - DLL Search Order Hijacking in Claude for Windows installer
Other Documents
[Anthropic] Data Processing Addendum
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Anthropic's Data Processing Addendum
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[Anthropic] 2025 Annual Penetration Testing Reports
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Jan 2026 Status Update
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[Anthropic] Statement on Modern Slavery Act 2015
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[Anthropic] VPAT - Accessibility Conformance Report (ACR) - Claude.ai Enterprise (web)
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Updated: April 2026
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 [Anthropic] VPAT - Accessibility Conformance Report (ACR) - Claude.ai Enterprise (web)
[Anthropic] VPAT - Accessibility Conformance Report (ACR) - Claude Enterprise iOS app
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Updated May 2026
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 [Anthropic] VPAT - Accessibility Conformance Report (ACR) - Claude Enterprise iOS app
[Anthropic] COI - General Liability, Auto, Umbrella, & WC - 2026-2027
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[Anthropic] COI - Cyber Liability - 2026-2027
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 [Anthropic] COI - Cyber Liability - 2026-2027
[Anthropic] VPAT - Accessibility Conformance Report (ACR) - Claude Enterprise Android app
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Updated May 2026
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 [Anthropic] VPAT - Accessibility Conformance Report (ACR) - Claude Enterprise Android app
Model Documentation Forms
Claude Sonnet 5 Model Documentation Form
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 Claude Sonnet 5 Model Documentation Form
Claude Opus 4.7 Model Documentation Form
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Claude Opus 4.8 Model Documentation Form
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Claude Opus 5 Model Documentation Form
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 Claude Opus 5 Model Documentation Form
Claude Mythos Preview Model Documentation Form
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 Claude Mythos Preview Model Documentation Form
Claude Mythos 5 + Fable 5 Model Documentation Form
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 Claude Mythos 5 + Fable 5 Model Documentation Form
Training Data Summaries
AB 2013 Training Data Summary
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 AB 2013 Training Data Summary
Claude Sonnet 5 Training Data Summary
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 Claude Sonnet 5 Training Data Summary
Claude Opus 4.7 Training Data Summary
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Claude Opus 4.8 Training Data Summary
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 Claude Opus 4.8 Training Data Summary
Claude Opus 5 Training Data Summary
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 Claude Mythos Preview Training Data Summary
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Claude Mythos 5 and Claude Fable 5 Training Data Summary
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 Claude Mythos 5 and Claude Fable 5 Training Data Summary
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