ISRC GBAYC9903168
Verified recording
GBAYC9903168 is “Prokofiev: 4 Études, Op. 2: No. 1 in D Minor” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xcfce74ffbc20bd4cd55c1e76c052b8c84c1df0de0545bb3cf4c021924776a034 and independently timestamped
in Bitcoin block 960113 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903168.
Recording identifiers
- ISRC
- GBAYC9903168
- Title
- Prokofiev: 4 Études, Op. 2: No. 1 in D Minor
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xcfce74ffbc20bd4cd55c1e76c052b8c84c1df0de0545bb3cf4c021924776a034
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:38:16+00:00
- Bitcoin block
- 960113
- Canonical record hash
sha256:dac5c50273503ecc1e34e4f9028e05973c8bc8481c1cae7209c1a143aa7b6ab5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903168
- Bitcoin block existence check
- https://blockstream.info/api/block/960113
Full record
Track page: Prokofiev: 4 Études, Op. 2: No. 1 in D Minor · Machine-readable JSON-LD