ISRC CAJ720012618
Verified recording
CAJ720012618 is “Cello Concerto No. 1 in A Major: I. Andante Grazioso” by Leonardo Leo,
registered on the CopyrightChains blockchain with CopyrightID
0xca2cb9ee5e8946d6d4638aef394edf24ad49c4cfc33eba4f399c0c75bb1ea78e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720012618.
Recording identifiers
- ISRC
- CAJ720012618
- Title
- Cello Concerto No. 1 in A Major: I. Andante Grazioso
- Artist
- Leonardo Leo
- CopyrightID (CopyrightChains transaction hash)
0xca2cb9ee5e8946d6d4638aef394edf24ad49c4cfc33eba4f399c0c75bb1ea78e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:84e6770cd9f2df340442f0b8ba8adab6f75683cb39ce61a0f11b96ee3a65aa90- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720012618
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Cello Concerto No. 1 in A Major: I. Andante Grazioso · Machine-readable JSON-LD