ISRC GBF078942921
Verified recording
GBF078942921 is “Codex Calixtinus (Jacobus) Polyphony, plainchant and instrumental collection. (12/13th c): Dum pater familias - Version 2” by Anonymous,
registered on the CopyrightChains blockchain with CopyrightID
0x266469847c5bb1e56f8f4462297e7dc52207b9f730b754ebaab2ccd746099b05 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078942921.
Recording identifiers
- ISRC
- GBF078942921
- Title
- Codex Calixtinus (Jacobus) Polyphony, plainchant and instrumental collection. (12/13th c): Dum pater familias - Version 2
- Artist
- Anonymous
- CopyrightID (CopyrightChains transaction hash)
0x266469847c5bb1e56f8f4462297e7dc52207b9f730b754ebaab2ccd746099b05
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:5cb6ca1b419ed9b7e640734d5db34f674a35fae7fa47900b51542fdeecce9506- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078942921
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Codex Calixtinus (Jacobus) Polyphony, plainchant and instrumental collection. (12/13th c): Dum pater familias - Version 2 · Machine-readable JSON-LD