ISRC FR7JM1757030
Verified recording
FR7JM1757030 is “10 Préludes, Op. 23: No. 2. Maestoso in B-Flat Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xc4e8b8873a06745d11183aefba36c1271cb57fd2dcc6337ede436d4e9159e41b 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/FR7JM1757030.
Recording identifiers
- ISRC
- FR7JM1757030
- Title
- 10 Préludes, Op. 23: No. 2. Maestoso in B-Flat Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xc4e8b8873a06745d11183aefba36c1271cb57fd2dcc6337ede436d4e9159e41b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:7e268fd1d361d6d57d9a8adc592f474295212c869553083e50a86839f946ba39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1757030
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 10 Préludes, Op. 23: No. 2. Maestoso in B-Flat Major · Machine-readable JSON-LD