ISRC FR7JM1757020
Verified recording
FR7JM1757020 is “10 Préludes, Op. 23: No. 1. Largo in F-Sharp Minor” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xb44dd2b60a89c91c27f1d07d2b17c6d77d635ae42b9f5f8c85e4b59249e1ac0c and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1757020.
Recording identifiers
- ISRC
- FR7JM1757020
- Title
- 10 Préludes, Op. 23: No. 1. Largo in F-Sharp Minor
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xb44dd2b60a89c91c27f1d07d2b17c6d77d635ae42b9f5f8c85e4b59249e1ac0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:0214ca66b3d9f6b01a3028a31e2d33fc591cba7e673da152f7e5dc0e22d54dde- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1757020
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 10 Préludes, Op. 23: No. 1. Largo in F-Sharp Minor · Machine-readable JSON-LD