ISRC FRZ139702204
Verified recording
FRZ139702204 is “Quatuor Op. 12 en mi bémol majeur: Molto allegro e vivace” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xca2f2b4d75ad0d411359a24950b7e911880e9310f7a3a1e35da4a1bce6191782 and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139702204.
Recording identifiers
- ISRC
- FRZ139702204
- Title
- Quatuor Op. 12 en mi bémol majeur: Molto allegro e vivace
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xca2f2b4d75ad0d411359a24950b7e911880e9310f7a3a1e35da4a1bce6191782
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:cbbbd89c2521a8ceb87b61eef003b5c145ba3dd26351f5010a2b993c52ed4ae3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139702204
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: Quatuor Op. 12 en mi bémol majeur: Molto allegro e vivace · Machine-readable JSON-LD