ISRC GBAYC9903171
Verified recording
GBAYC9903171 is “Prokofiev: 4 Études, Op. 2: No. 4 in C Minor” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x6b696eceab79c67806ff328d72c83e37b6f130517544a2bbc5382bf86a06f795 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903171.
Recording identifiers
- ISRC
- GBAYC9903171
- Title
- Prokofiev: 4 Études, Op. 2: No. 4 in C Minor
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x6b696eceab79c67806ff328d72c83e37b6f130517544a2bbc5382bf86a06f795
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:130809e39110cb26960e3505924ecd01a63e1cb2ae8b392bdd66c7b1c75b435f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903171
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Prokofiev: 4 Études, Op. 2: No. 4 in C Minor · Machine-readable JSON-LD