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 20260831T101129Z

ProviderOpenAI
TargetAIAL evaluation page — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/9b4bce99bb5aa6ce9e46070044d32c6ddeea791e/public/evals/gpt-5-5/version-2026-07-09.html
Fetched (UTC)2026-08-31T10:11:29Z
Upstream commit23 Jul 2026 — 9b4bce99bb5a (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then)
Stored file24,766 bytes — not served (third-party research, archived but not republished here); the hash and timestamp proof below still establish what was published when
SHA-256c4a51a471234238aacb75c92b8f8ec000130ccdb401760639a54879ce93985b2
OpenTimestamps proofc4a51a471234238aacb75c92b8f8ec000130ccdb401760639a54879ce93985b2.html.20260831T101129Z.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 targete9e3d06d034f20b394d2fbe2b26437a4fe89e36b59a34297d8c88f8e439ddd9f (captured 2026-08-31T10:05:55Z)

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 size24,766 bytes
Canonical text SHA-256db0f3672a6e40d9d581cda2162abee76aada8d5bf7ee4c8d944aa86f6274a51b
Extracted text length1,365 words