ISRC QMFMF1557200
Verified recording
QMFMF1557200 is “10 Preludes, Op. 23: No. 1 in F-Sharp Minor” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xad1bcb677c40965ebc8e22bac11b1381b820d87692246e6db50c3d88e8e819c8 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1557200.
Recording identifiers
- ISRC
- QMFMF1557200
- Title
- 10 Preludes, Op. 23: No. 1 in F-Sharp Minor
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xad1bcb677c40965ebc8e22bac11b1381b820d87692246e6db50c3d88e8e819c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:3cff743f583a50f96812e68d66523ae894724fd2284a667e4837ab62154949dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1557200
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: 10 Preludes, Op. 23: No. 1 in F-Sharp Minor · Machine-readable JSON-LD