ISRC CAIOJ2300023
Verified recording
CAIOJ2300023 is “Cello Concerto No. 4 in A Major, L. 50: II. Allegro” by Leonardo Ortensio Salvatore di Leo,
registered on the CopyrightChains blockchain with CopyrightID
0x79b7b46b4f2ade9b173aebf8f65c293e7660a8ebbc98def8bc29cabdc5c64c3c 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/CAIOJ2300023.
Recording identifiers
- ISRC
- CAIOJ2300023
- Title
- Cello Concerto No. 4 in A Major, L. 50: II. Allegro
- Artist
- Leonardo Ortensio Salvatore di Leo
- CopyrightID (CopyrightChains transaction hash)
0x79b7b46b4f2ade9b173aebf8f65c293e7660a8ebbc98def8bc29cabdc5c64c3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b0d74e4f095af619037a869e5531a5f7e74779e77d09cf6d061686811571fc17- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAIOJ2300023
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Cello Concerto No. 4 in A Major, L. 50: II. Allegro · Machine-readable JSON-LD