ISRC GBBBB2010621
Verified recording
GBBBB2010621 is “Zdes' khorosho, Op. 21, No. 7” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x5be5757d5295acb7c52f6525a4c62afd8cc19ce2cd15a9b21f3a6c8f5eb4612e and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB2010621.
Recording identifiers
- ISRC
- GBBBB2010621
- Title
- Zdes' khorosho, Op. 21, No. 7
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x5be5757d5295acb7c52f6525a4c62afd8cc19ce2cd15a9b21f3a6c8f5eb4612e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:ae774b5d400e10f54657b36a1954dbb0e1854b5b9edf7a0a8c4362b970917e67- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB2010621
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Zdes' khorosho, Op. 21, No. 7 · Machine-readable JSON-LD