ISRC UKNZX1800020
Verified recording
UKNZX1800020 is “Sonata No. 4 in C minor for recorder & b.c. – Tendrement” by Charles Buterne,
registered on the CopyrightChains blockchain with CopyrightID
0xb79972f5721427a47e8ae0be0bffcac77707116bd54e31519b1f493e7f2d682b and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKNZX1800020.
Recording identifiers
- ISRC
- UKNZX1800020
- Title
- Sonata No. 4 in C minor for recorder & b.c. – Tendrement
- Artist
- Charles Buterne
- CopyrightID (CopyrightChains transaction hash)
0xb79972f5721427a47e8ae0be0bffcac77707116bd54e31519b1f493e7f2d682b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:d716ed9d4941753675c946f5050c4aedf5ebdc7d2552014c736ba019dacc007a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKNZX1800020
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Sonata No. 4 in C minor for recorder & b.c. – Tendrement · Machine-readable JSON-LD