ISRC CZA165900015
Verified recording
CZA165900015 is “Nedělní Vláček” by Josef Zíma,
registered on the CopyrightChains blockchain with CopyrightID
0xbc403dd2892a270cef09f3c9ec978a19f68ec12938e53dc1ac35afa731f26862 and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA165900015.
Recording identifiers
- ISRC
- CZA165900015
- Title
- Nedělní Vláček
- Artist
- Josef Zíma
- CopyrightID (CopyrightChains transaction hash)
0xbc403dd2892a270cef09f3c9ec978a19f68ec12938e53dc1ac35afa731f26862
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:f3d8ed78527ab8f2cb6072593664ddd66947b54c674b21fe393ae1bd9ce5aa2a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA165900015
- Bitcoin block existence check
- https://blockstream.info/api/block/960489