ISRC CALC42021372
Verified recording
CALC42021372 is “Introspection (Arr. for Violin and String Ensemble by François Vallières and Angèle Dubeau)” by Jocelyn Pook,
registered on the CopyrightChains blockchain with CopyrightID
0xd9193f41ef8117a3d3e5335f3c940de0793ca27c1f8751468e70e832d870c410 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/CALC42021372.
Recording identifiers
- ISRC
- CALC42021372
- Title
- Introspection (Arr. for Violin and String Ensemble by François Vallières and Angèle Dubeau)
- Artist
- Jocelyn Pook
- CopyrightID (CopyrightChains transaction hash)
0xd9193f41ef8117a3d3e5335f3c940de0793ca27c1f8751468e70e832d870c410
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5eb224a67ed4f44ffc66132cc9b569cb676535fe491e778b8c840bad5db96115- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42021372
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Introspection (Arr. for Violin and String Ensemble by François Vallières and Angèle Dubeau) · Machine-readable JSON-LD