GPAI Ledger The public record of EU AI Act training-data summaries

GPAI Ledger › GPT-5.5 (OpenAI) › Capture 31 Aug 2026

GPT-5.5 — capture 20260831T104956Z

ProviderOpenAI
TargetAIAL evaluation page — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/c5b7a1be74de97a4ed830faeda598fb8c0895206/public/evals/gpt-5-5/version-2026-07-09.html
Fetched (UTC)2026-08-31T10:49:56Z
Upstream commit4 Aug 2026 — c5b7a1be74de (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then)
Stored file25,361 bytes — not served (third-party research, archived but not republished here); the hash and timestamp proof below still establish what was published when
SHA-2566948b16185a050bc94f4ccfde18c416eb41bd89cad156effd09d4bb9c50d8900
OpenTimestamps proof6948b16185a050bc94f4ccfde18c416eb41bd89cad156effd09d4bb9c50d8900.html.20260831T104956Z.ots (calendar-attested; anchored in bitcoin over time; identical bytes were first archived on 31 Aug 2026 — that version carries the earliest attestation)
Waybacknot saved
Prior capture of this targeta3e77f232f588f2329888bff97075ec0750894a6dd07219e256e94b39d1b70f4 (captured 2026-08-31T10:44:49Z)

Verify: obtain the file from the target address above, then sha256sum it — it must equal the hash above; the .ots proof dates that hash.

Structured facts

This is another organisation's own research, and this project does not redistribute it: the file itself is not served here; these facts still pin its identity and let any copy be authenticated against this record.

Document size25,361 bytes
Canonical text SHA-2568d386ec0635762521773f06199de551f05fee1b2c5c352dc0d9c4a90dce867e3
Extracted text length1,420 words