ISRC FR6F31368530
Verified recording
FR6F31368530 is “Nocturne pour piano No. 20, Op. posthume 1: No. 16” by Margulis Vitalij,
registered on the CopyrightChains blockchain with CopyrightID
0xfea90ff26dd4c0e3a8cc26109df8c512b260f61b8a458bf504464d19f3ce80a0 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/FR6F31368530.
Recording identifiers
- ISRC
- FR6F31368530
- Title
- Nocturne pour piano No. 20, Op. posthume 1: No. 16
- Artist
- Margulis Vitalij
- CopyrightID (CopyrightChains transaction hash)
0xfea90ff26dd4c0e3a8cc26109df8c512b260f61b8a458bf504464d19f3ce80a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f7f6673a928787f261daa2da2db3cfd105579180f42716693f0d55d3756bd01c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6F31368530
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Nocturne pour piano No. 20, Op. posthume 1: No. 16 · Machine-readable JSON-LD