ISRC FR7JM1757220
Verified recording
FR7JM1757220 is “13 Préludes, Op. 32: No. 11. Allegretto in B Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x6e60e8fddbd579f182c8260a1d8792c8cc461674d4a60b6aa8e309ae72c3050c 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/FR7JM1757220.
Recording identifiers
- ISRC
- FR7JM1757220
- Title
- 13 Préludes, Op. 32: No. 11. Allegretto in B Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x6e60e8fddbd579f182c8260a1d8792c8cc461674d4a60b6aa8e309ae72c3050c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:578596101fea1634173f8e2670576b053ef5f7ddfcfe16433022ba384c89b5ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1757220
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 13 Préludes, Op. 32: No. 11. Allegretto in B Major · Machine-readable JSON-LD