ISRC CZB871802005
Verified recording
CZB871802005 is “Marketa Lazarová: Vlci” by Zdeněk Liška,
registered on the CopyrightChains blockchain with CopyrightID
0x3872fc0bdc1e0061252fb0dd2837115e2b31eed063f8f8beb56b093bf387d09b and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB871802005.
Recording identifiers
- ISRC
- CZB871802005
- Title
- Marketa Lazarová: Vlci
- Artist
- Zdeněk Liška
- CopyrightID (CopyrightChains transaction hash)
0x3872fc0bdc1e0061252fb0dd2837115e2b31eed063f8f8beb56b093bf387d09b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:446b23502d2e2d0ff6de4e2e5bf1ff7ab24f958906677bc701e016cd311eb99b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB871802005
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Marketa Lazarová: Vlci · Machine-readable JSON-LD