ISRC CZA230000488
Verified recording
CZA230000488 is “Lasku Poznas Jizvou” by Petr Muk,
registered on the CopyrightChains blockchain with CopyrightID
0xd541a7c68e1b2c75eaa208cc1e43cd689e111351567b6fb9ea6b6fb56cd9fa4d and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA230000488.
Recording identifiers
- ISRC
- CZA230000488
- Title
- Lasku Poznas Jizvou
- Artist
- Petr Muk
- CopyrightID (CopyrightChains transaction hash)
0xd541a7c68e1b2c75eaa208cc1e43cd689e111351567b6fb9ea6b6fb56cd9fa4d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:8fef71512e8015f6e7c736b827e2a066d59d930da81c1a03194174511582968f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA230000488
- Bitcoin block existence check
- https://blockstream.info/api/block/960138