ISRC CALC42210002
Verified recording
CALC42210002 is “Concerto in C Major for Cello, Strings, and Continuo: II. Andante sempre piano” by Giovanni Battista Sammartini,
registered on the CopyrightChains blockchain with CopyrightID
0x68872aa9b66d2d8b46995a89632c57faf9ffa86de120d24f988255b9609f6739 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/CALC42210002.
Recording identifiers
- ISRC
- CALC42210002
- Title
- Concerto in C Major for Cello, Strings, and Continuo: II. Andante sempre piano
- Artist
- Giovanni Battista Sammartini
- CopyrightID (CopyrightChains transaction hash)
0x68872aa9b66d2d8b46995a89632c57faf9ffa86de120d24f988255b9609f6739
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:deaf238bc88603a6d295779e45d912f430e7c020aae37e29920e9beb7a5ddb79- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42210002
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Concerto in C Major for Cello, Strings, and Continuo: II. Andante sempre piano · Machine-readable JSON-LD