ISRC FR7JM1757130
Verified recording
FR7JM1757130 is “13 Préludes, Op. 32: No. 2. Allegretto in B-Flat Minor” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x80b879e7a8084a05363b2b41bc2d65acf679c5131182e1db3d961f44cd00fbc6 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1757130.
Recording identifiers
- ISRC
- FR7JM1757130
- Title
- 13 Préludes, Op. 32: No. 2. Allegretto in B-Flat Minor
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x80b879e7a8084a05363b2b41bc2d65acf679c5131182e1db3d961f44cd00fbc6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:215ffa26b13b527bf3848e24abeb992462d33ff9bf6af876fc356ef4b2e83616- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1757130
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 13 Préludes, Op. 32: No. 2. Allegretto in B-Flat Minor · Machine-readable JSON-LD