ISRC CZA231000385
Verified recording
CZA231000385 is “Vzpomínáš?” by Petr Muk,
registered on the CopyrightChains blockchain with CopyrightID
0xe4ddfa10c23dc0bd7b8f2bd28ccf42d08ab1189b7303f768a1b608734c7ca40c and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231000385.
Recording identifiers
- ISRC
- CZA231000385
- Title
- Vzpomínáš?
- Artist
- Petr Muk
- CopyrightID (CopyrightChains transaction hash)
0xe4ddfa10c23dc0bd7b8f2bd28ccf42d08ab1189b7303f768a1b608734c7ca40c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:77ee8f2273f3802e57226162aac9791eff17b3dacefb893888cfe6b8ac4ffa73- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231000385
- Bitcoin block existence check
- https://blockstream.info/api/block/960473