ISRC CZA230900154
Verified recording
CZA230900154 is “Létat” by Petr Muk,
registered on the CopyrightChains blockchain with CopyrightID
0x5b0bc4f7373075647c9260f4c48d7ddaabd68063a7553b57ab4bd7ea7132e267 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA230900154.
Recording identifiers
- ISRC
- CZA230900154
- Title
- Létat
- Artist
- Petr Muk
- CopyrightID (CopyrightChains transaction hash)
0x5b0bc4f7373075647c9260f4c48d7ddaabd68063a7553b57ab4bd7ea7132e267
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:ad2abe5891edcd3381eb50a4cb672469cba3c3afebe3013c45112ec42d29f3a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA230900154
- Bitcoin block existence check
- https://blockstream.info/api/block/960448