ISRC GBX3U1106373
Verified recording
GBX3U1106373 is “13 Préludes, Op. 32: II. Allegretto in B-Flat Minor” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xc6f0e2b0d7fad9193b63da6fac9be0e6895cb41c41aa639f3d728ffda6ac5f70 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBX3U1106373.
Recording identifiers
- ISRC
- GBX3U1106373
- Title
- 13 Préludes, Op. 32: II. Allegretto in B-Flat Minor
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xc6f0e2b0d7fad9193b63da6fac9be0e6895cb41c41aa639f3d728ffda6ac5f70
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:f30108bd475a159c502fdef2898746fbcce9b92f1463b07626779104aa900afc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBX3U1106373
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: 13 Préludes, Op. 32: II. Allegretto in B-Flat Minor · Machine-readable JSON-LD