ISRC FRZ149220020
Verified recording
FRZ149220020 is “3 Nocturnes, Op. 9: II. Andante” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x58efdefe7eac4b6df49c1f6d9f631b48e260f8b616eddcbdb5e79f5ff9b04387 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/FRZ149220020.
Recording identifiers
- ISRC
- FRZ149220020
- Title
- 3 Nocturnes, Op. 9: II. Andante
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x58efdefe7eac4b6df49c1f6d9f631b48e260f8b616eddcbdb5e79f5ff9b04387
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6895db31257f417dfa1927c253abdb0624c8eda1da319ef5099ff05151e206c7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220020
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: 3 Nocturnes, Op. 9: II. Andante · Machine-readable JSON-LD