ISRC CZA540904402
Verified recording
CZA540904402 is “Píseň Svou Mi Tenkrát Hrál” by Jiří Zmožek,
registered on the CopyrightChains blockchain with CopyrightID
0x1e4b95915510bb5cd452481d5c110f367ee8d4b9dcd4c11f8f542bedc91b532d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA540904402.
Recording identifiers
- ISRC
- CZA540904402
- Title
- Píseň Svou Mi Tenkrát Hrál
- Artist
- Jiří Zmožek
- CopyrightID (CopyrightChains transaction hash)
0x1e4b95915510bb5cd452481d5c110f367ee8d4b9dcd4c11f8f542bedc91b532d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:28fd9df1b3cedf0944f552c5af2af2ca6ab7b74f76e022ad60bd8deda6a8de4f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA540904402
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Píseň Svou Mi Tenkrát Hrál · Machine-readable JSON-LD