ISRC CZA239800772
Verified recording
CZA239800772 is “Láska tíží” by Petr Muk,
registered on the CopyrightChains blockchain with CopyrightID
0xd042419531dfa5ec7ea6a5ac5c99c3eb7a08cdf34fb6e7b73bf82952a6a06382 and independently timestamped
in Bitcoin block 959163 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239800772.
Recording identifiers
- ISRC
- CZA239800772
- Title
- Láska tíží
- Artist
- Petr Muk
- CopyrightID (CopyrightChains transaction hash)
0xd042419531dfa5ec7ea6a5ac5c99c3eb7a08cdf34fb6e7b73bf82952a6a06382
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T18:47:29+00:00
- Bitcoin block
- 959163
- Canonical record hash
sha256:1381edb87b06ebd5402c9d5792ab598d1cb5b5036429d9df635d70df7d81fc63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239800772
- Bitcoin block existence check
- https://blockstream.info/api/block/959163