ISRC CZA162100893
Verified recording
CZA162100893 is “Quartet for Cor Anglais, Violin, Viola and Cello: No. 1, Allegro vivace” by Jean Françaix,
registered on the CopyrightChains blockchain with CopyrightID
0xb53d7f039f2ca07b2d703704c7cf1bfacfb9355e9f47c95204bd91901fc0afc6 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162100893.
Recording identifiers
- ISRC
- CZA162100893
- Title
- Quartet for Cor Anglais, Violin, Viola and Cello: No. 1, Allegro vivace
- Artist
- Jean Françaix
- CopyrightID (CopyrightChains transaction hash)
0xb53d7f039f2ca07b2d703704c7cf1bfacfb9355e9f47c95204bd91901fc0afc6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:06e601cc9f61a35fbdb577474de49984272b9e7e23cd761211ab1ccb7fa3dc66- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162100893
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Quartet for Cor Anglais, Violin, Viola and Cello: No. 1, Allegro vivace · Machine-readable JSON-LD