ISRC HKI199821431
Verified recording
HKI199821431 is “Concerto grosso No. 9 in D Major, Op. 3: III. Largo” by Francesco Onofrio Manfredini,
registered on the CopyrightChains blockchain with CopyrightID
0xfdd97723bc559941836287f81769c8f63d65b4a784a3bef37938a2a334af947e and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821431.
Recording identifiers
- ISRC
- HKI199821431
- Title
- Concerto grosso No. 9 in D Major, Op. 3: III. Largo
- Artist
- Francesco Onofrio Manfredini
- CopyrightID (CopyrightChains transaction hash)
0xfdd97723bc559941836287f81769c8f63d65b4a784a3bef37938a2a334af947e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:313500d5c226e89196ef4f2042c769322183f5d72e9d4e896defe0c69e8a3886- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821431
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto grosso No. 9 in D Major, Op. 3: III. Largo · Machine-readable JSON-LD