ISRC CAIOJ2300025
Verified recording
CAIOJ2300025 is “Cello Concerto No. 4 in A Major, L. 50: IV. Allegro” by Leonardo Ortensio Salvatore di Leo,
registered on the CopyrightChains blockchain with CopyrightID
0x93c6f98eefef1d2ba1d8aeeba2832a737b9ea77ebeffaa72efc995154f39d1f1 and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAIOJ2300025.
Recording identifiers
- ISRC
- CAIOJ2300025
- Title
- Cello Concerto No. 4 in A Major, L. 50: IV. Allegro
- Artist
- Leonardo Ortensio Salvatore di Leo
- CopyrightID (CopyrightChains transaction hash)
0x93c6f98eefef1d2ba1d8aeeba2832a737b9ea77ebeffaa72efc995154f39d1f1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:9e8c50e5a5d32e14a5998dc6735f76b094066759ff641272328d03252029a0c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAIOJ2300025
- Bitcoin block existence check
- https://blockstream.info/api/block/960463
Full record
Track page: Cello Concerto No. 4 in A Major, L. 50: IV. Allegro · Machine-readable JSON-LD