ISRC CALC41701022
Verified recording
CALC41701022 is “Trio for Violin, Cello and Harp: II. Andante Sostenuto” by Jacques Ibert,
registered on the CopyrightChains blockchain with CopyrightID
0xf2ae77eae978a3ebfc379f5242cb5131ca76e469f555884e163058e52a974e27 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701022.
Recording identifiers
- ISRC
- CALC41701022
- Title
- Trio for Violin, Cello and Harp: II. Andante Sostenuto
- Artist
- Jacques Ibert
- CopyrightID (CopyrightChains transaction hash)
0xf2ae77eae978a3ebfc379f5242cb5131ca76e469f555884e163058e52a974e27
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:b468c821df7d2d706ce19c4137d9c4966d90f6b5000d541687e2dec1508c41b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41701022
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Trio for Violin, Cello and Harp: II. Andante Sostenuto · Machine-readable JSON-LD