ISRC FR7JM2256150
Verified recording
FR7JM2256150 is “Etudes-tableaux, Op. 39: No. 7 in C Minor (Lento lugubre)” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xa16818ea1f48a2c9d9ff879642b42fce8e1871a8be669183f300022428a534c8 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2256150.
Recording identifiers
- ISRC
- FR7JM2256150
- Title
- Etudes-tableaux, Op. 39: No. 7 in C Minor (Lento lugubre)
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xa16818ea1f48a2c9d9ff879642b42fce8e1871a8be669183f300022428a534c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:dc4a6ebe84e52afb92ae66035e987b6cf11104a16a5c392538657e84821c5823- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2256150
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Etudes-tableaux, Op. 39: No. 7 in C Minor (Lento lugubre) · Machine-readable JSON-LD