GPAI Ledger › Muse Glimmer (Meta)
Muse Glimmer
Public summary of training content · Article 53(1)(d), Regulation (EU) 2024/1689
Provider: Meta — status: Published
Meta publishes a public summary of training content for Muse Glimmer under the EU AI Act; every version this ledger has captured is archived below with its hash and timestamp proof.
AIAL metadata: summary dated 2026-08-10, model released 2026-08-10, eval page
Document versions
Rows may capture the same summary from different sources or formats (the provider's site, AIAL's archived copy); sizes and hashes are comparable only within one URL.
| Capture (UTC) | Source of copy | URL | SHA-256 | Bytes | Notes |
|---|---|---|---|---|---|
| 20260818T164645Z | AIAL archived copy | aial.ie/research/gpai-training-transpare…ve/Muse_Glimmer_2026_08_17.pdf | 5f29be94fba3e80d… | 271,900 | bytes identical to 20260817T085543Z |
| 20260817T085543Z | provider site | scontent-mxp2-1.xx.fbcdn.net/m1/v/t0.841…oc=…&ccb=…&oh=…&oe=…&_nc_sid=… | 5f29be94fba3e80d… | 271,900 | Meta CDN-hosted PDF (signed URL) |
Watch-surface captures
Captures of the page(s) where the document is published (portals, hubs, docs pages) — monitored for change detection; not the document itself.
| Capture (UTC) | Source of copy | URL | SHA-256 | Bytes | Notes |
|---|---|---|---|---|---|
| 20260821T110825Z | provider site | transparency.meta.com/reports/regulatory-transparency-reports/ | d45e518728b3cbf7… | 837,600 | rendered page (captured with a browser); content changed vs the previous capture of this target |
| 20260818T172149Z | provider site | transparency.meta.com/reports/regulatory-transparency-reports/ | fa3321b0f687d4c9… | 877,324 | rendered page (captured with a browser) |
Captures of superseded target URLs
Locations this ledger previously tracked for this source (per-row notes give the reason each was superseded) — kept as faithful records of what those URLs served at capture time.
| Capture (UTC) | Source of copy | URL | SHA-256 | Bytes | Notes |
|---|---|---|---|---|---|
| 20260820T110717Z | provider site | scontent-mxp1-1.xx.fbcdn.net/m1/v/t0.841…oc=…&ccb=…&oh=…&oe=…&_nc_sid=… | 5f29be94fba3e80d… | 271,900 | Meta CDN-hosted PDF (signed URL); bytes identical to 20260817T085543Z; duplicate target identity minted 20 Aug 2026 when Meta's CDN shard hostname rotated; bytes identical to the canonical target, which now tracks the content-addressed path only |
Last checked: 2026-08-21 (re-checked on the daily schedule — see Methodology). Seen a summary we missed? See the contact details.