ISRC CAIOJ2300030
Verified recording
CAIOJ2300030 is “Cello Concerto No.1 in A major, L. 20: I. Andantino grazioso” by Leonardo Ortensio Salvatore di Leo,
registered on the CopyrightChains blockchain with CopyrightID
0xef64544971f6410b89fa5fdc509e9f4119b856905d8663464f4ba781d2ba49cc and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAIOJ2300030.
Recording identifiers
- ISRC
- CAIOJ2300030
- Title
- Cello Concerto No.1 in A major, L. 20: I. Andantino grazioso
- Artist
- Leonardo Ortensio Salvatore di Leo
- CopyrightID (CopyrightChains transaction hash)
0xef64544971f6410b89fa5fdc509e9f4119b856905d8663464f4ba781d2ba49cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:afacf67d62ecb28e8eb369590d048fe6d862cab3745e3f6f8a143436f6953820- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAIOJ2300030
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Cello Concerto No.1 in A major, L. 20: I. Andantino grazioso · Machine-readable JSON-LD