ISRC CZB871802004
Verified recording
CZB871802004 is “Marketa Lazarová: Rajská sonáta” by Zdeněk Liška,
registered on the CopyrightChains blockchain with CopyrightID
0x073b6a6518c84a035b1d8a917bfc2a137fca3f3c28b1089d677d42da6d24cd9d and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB871802004.
Recording identifiers
- ISRC
- CZB871802004
- Title
- Marketa Lazarová: Rajská sonáta
- Artist
- Zdeněk Liška
- CopyrightID (CopyrightChains transaction hash)
0x073b6a6518c84a035b1d8a917bfc2a137fca3f3c28b1089d677d42da6d24cd9d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:ab6a51830a4812fb24d48976dd6819cbb5841a1baa5019fde126be0aa7fc4077- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB871802004
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Marketa Lazarová: Rajská sonáta · Machine-readable JSON-LD