ISRC GBBBA1100450
Verified recording
GBBBA1100450 is “Nocturne No. 19 in E Minor, Op. 72, No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x20ff32a53828675f3446f843359bf842d58baf5ca01fdba1bb78a3f0ba72ddbd and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1100450.
Recording identifiers
- ISRC
- GBBBA1100450
- Title
- Nocturne No. 19 in E Minor, Op. 72, No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x20ff32a53828675f3446f843359bf842d58baf5ca01fdba1bb78a3f0ba72ddbd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:43412e0ee45b5a32575e86ab038cbd382193e9b0f127100c6270f85b7ec05b35- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1100450
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Nocturne No. 19 in E Minor, Op. 72, No. 1 · Machine-readable JSON-LD