ISRC CACA30881197
Verified recording
CACA30881197 is “Nocturne No. 1 in B-Flat Minor, Op. 9, No. 1: Noctune, Op. 9, No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xae7d13528585530d1ca76edadb5ed40f936c4e3105970d3193ccf257726fc152 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/CACA30881197.
Recording identifiers
- ISRC
- CACA30881197
- Title
- Nocturne No. 1 in B-Flat Minor, Op. 9, No. 1: Noctune, Op. 9, No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xae7d13528585530d1ca76edadb5ed40f936c4e3105970d3193ccf257726fc152
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f8988ac61bb8013a9308802e15ab856d16f26566e297b66e78a4a9973d11c39b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACA30881197
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Nocturne No. 1 in B-Flat Minor, Op. 9, No. 1: Noctune, Op. 9, No. 2 · Machine-readable JSON-LD