ISRC CZA541113612
Verified recording
CZA541113612 is “Trnem Růže On Se Zdá” by Petr Kolář,
registered on the CopyrightChains blockchain with CopyrightID
0x31a8de69351ec28fd4683b080c4557ad1fd9b30b6f0a57f4cda032bce7b30bcf and independently timestamped
in Bitcoin block 960199 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA541113612.
Recording identifiers
- ISRC
- CZA541113612
- Title
- Trnem Růže On Se Zdá
- Artist
- Petr Kolář
- CopyrightID (CopyrightChains transaction hash)
0x31a8de69351ec28fd4683b080c4557ad1fd9b30b6f0a57f4cda032bce7b30bcf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:30:29+00:00
- Bitcoin block
- 960199
- Canonical record hash
sha256:f8821f92b3cde82271c35dad3a3985344fcf0230c83d99bef602919eb91c049a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA541113612
- Bitcoin block existence check
- https://blockstream.info/api/block/960199