ISRC GBPFW1000021
Verified recording
GBPFW1000021 is “Chopin: Nocturne No. 20 in C-Sharp Minor, Op. Posth.” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xcb1ddcac5ccad41cdd7df693d6e090dbd9790e25d5ed00efd4c79f2e06e96de7 and independently timestamped
in Bitcoin block 960111 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW1000021.
Recording identifiers
- ISRC
- GBPFW1000021
- Title
- Chopin: Nocturne No. 20 in C-Sharp Minor, Op. Posth.
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xcb1ddcac5ccad41cdd7df693d6e090dbd9790e25d5ed00efd4c79f2e06e96de7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:21:01+00:00
- Bitcoin block
- 960111
- Canonical record hash
sha256:03b240019a03ecf9affab1ebbd3f950bd458e5cd05dcc9cc25abbaedf17f8142- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW1000021
- Bitcoin block existence check
- https://blockstream.info/api/block/960111
Full record
Track page: Chopin: Nocturne No. 20 in C-Sharp Minor, Op. Posth. · Machine-readable JSON-LD