ISRC GBF077442003
Verified recording
GBF077442003 is “Twelve Songs, Op. 21: 7. Zdes khorosho” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x9c064991689726be4c36f10b455f6e2ff00e09f04b65f03bb5956e7df9ec4f09 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077442003.
Recording identifiers
- ISRC
- GBF077442003
- Title
- Twelve Songs, Op. 21: 7. Zdes khorosho
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x9c064991689726be4c36f10b455f6e2ff00e09f04b65f03bb5956e7df9ec4f09
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3c4717eb3461b0bc1a73d73689c8065a76dac034049d614f9688f2913eb7ee2e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077442003
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Twelve Songs, Op. 21: 7. Zdes khorosho · Machine-readable JSON-LD