ISRC FRZ139702202
Verified recording
FRZ139702202 is “Quatuor Op. 12 en mi bémol majeur: Canzonetta, allegretto” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0x9d28c3be82c7bc43e13e41d213d127483117c240c07379ea846e2383c26de5b2 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/FRZ139702202.
Recording identifiers
- ISRC
- FRZ139702202
- Title
- Quatuor Op. 12 en mi bémol majeur: Canzonetta, allegretto
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0x9d28c3be82c7bc43e13e41d213d127483117c240c07379ea846e2383c26de5b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5a1d1244efc9de46b20dda8f12e2000ec18cf124c0414796f93d1b94f70f7635- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139702202
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Quatuor Op. 12 en mi bémol majeur: Canzonetta, allegretto · Machine-readable JSON-LD