ISRC GBAYC9903138
Verified recording
GBAYC9903138 is “Quatre Etudes Op.41 (1896): No.4 in A minor” by Roustem Saitkoulov,
registered on the CopyrightChains blockchain with CopyrightID
0xe75aaa5ad9014df37b5428c145632ce156feaef006acbd7d3950e7e51219fc9f and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903138.
Recording identifiers
- ISRC
- GBAYC9903138
- Title
- Quatre Etudes Op.41 (1896): No.4 in A minor
- Artist
- Roustem Saitkoulov
- CopyrightID (CopyrightChains transaction hash)
0xe75aaa5ad9014df37b5428c145632ce156feaef006acbd7d3950e7e51219fc9f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:3939554a724365dcf296f3bd981ec4b378763a083c4e727370f8a4fb840a4947- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903138
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Quatre Etudes Op.41 (1896): No.4 in A minor · Machine-readable JSON-LD