ISRC FRZ177500780
Verified recording
FRZ177500780 is “Concerto n°3 en mi mineur: Allegretto, Falk. 43” by Wilhelm Friedemann Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x7b859081f5934c93965aaa23187c809abc1b13a3edea07ba931e67728eb2bb99 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/FRZ177500780.
Recording identifiers
- ISRC
- FRZ177500780
- Title
- Concerto n°3 en mi mineur: Allegretto, Falk. 43
- Artist
- Wilhelm Friedemann Bach
- CopyrightID (CopyrightChains transaction hash)
0x7b859081f5934c93965aaa23187c809abc1b13a3edea07ba931e67728eb2bb99
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:db62567d261b04f59fd31fd226c2071d387f0c87271e185b8951b7d7ecb10ac0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ177500780
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto n°3 en mi mineur: Allegretto, Falk. 43 · Machine-readable JSON-LD