ISRC FRZ130700260
Verified recording
FRZ130700260 is “Quintette Avec Clarinette K 581 - Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x6e299fbd78ce77549fffc2d2e6f162b6ba529d7ecdefb8e8ddef1b28914341b3 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130700260.
Recording identifiers
- ISRC
- FRZ130700260
- Title
- Quintette Avec Clarinette K 581 - Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x6e299fbd78ce77549fffc2d2e6f162b6ba529d7ecdefb8e8ddef1b28914341b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:a215c156dd9220940dbe8edfd7cf62ea9523987bdd861dc303c8b67d28fdef57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130700260
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Quintette Avec Clarinette K 581 - Larghetto · Machine-readable JSON-LD