ISRC GBPFW2100385
Verified recording
GBPFW2100385 is “Nocturne No. 21 in C Minor, Op. Posth.” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd6968441a928537160df5ce68db1f146757155bdefe12856ad3af40b079926fb and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2100385.
Recording identifiers
- ISRC
- GBPFW2100385
- Title
- Nocturne No. 21 in C Minor, Op. Posth.
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd6968441a928537160df5ce68db1f146757155bdefe12856ad3af40b079926fb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:bc6bcee074c26b3739b024f93e3cd54c598781c421f2d550b1b3d7017fb722b0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2100385
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Nocturne No. 21 in C Minor, Op. Posth. · Machine-readable JSON-LD