ISRC CAIOJ2300032
Verified recording
CAIOJ2300032 is “Cello Concerto No.1 in A major, L. 20: III. Larghetto a mezza voce” by Leonardo Ortensio Salvatore di Leo,
registered on the CopyrightChains blockchain with CopyrightID
0x69cd2dbd0c73b71be94018d86c42de52606370fcde0a59b82041960e8fe906f9 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAIOJ2300032.
Recording identifiers
- ISRC
- CAIOJ2300032
- Title
- Cello Concerto No.1 in A major, L. 20: III. Larghetto a mezza voce
- Artist
- Leonardo Ortensio Salvatore di Leo
- CopyrightID (CopyrightChains transaction hash)
0x69cd2dbd0c73b71be94018d86c42de52606370fcde0a59b82041960e8fe906f9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:ad36d6a3cc0ee9849e92be6d41019e92f0501cbd69f4d1077d3d67859b72841b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAIOJ2300032
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Cello Concerto No.1 in A major, L. 20: III. Larghetto a mezza voce · Machine-readable JSON-LD