ISRC CZA239500240
Verified recording
CZA239500240 is “Upíří valčík” by Jiří Korn,
registered on the CopyrightChains blockchain with CopyrightID
0xa883c0ef3c668b7c4624dbbd7b23a937c8ebaf595696bbae73edb89ee90f2181 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239500240.
Recording identifiers
- ISRC
- CZA239500240
- Title
- Upíří valčík
- Artist
- Jiří Korn
- CopyrightID (CopyrightChains transaction hash)
0xa883c0ef3c668b7c4624dbbd7b23a937c8ebaf595696bbae73edb89ee90f2181
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:bb33b995ea5d73e63d510f2d23d5748e8af3bd9dd05ef4e495a2f56623e896dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239500240
- Bitcoin block existence check
- https://blockstream.info/api/block/960264