ISRC CZA160411007
Verified recording
CZA160411007 is “Kupředu levá, zpátky ni krok” by Vladimír Válek,
registered on the CopyrightChains blockchain with CopyrightID
0x66cd88963cef8e30bf345f73ab662b7bb979d902eb7fb90acbf81a3321f3cc45 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160411007.
Recording identifiers
- ISRC
- CZA160411007
- Title
- Kupředu levá, zpátky ni krok
- Artist
- Vladimír Válek
- CopyrightID (CopyrightChains transaction hash)
0x66cd88963cef8e30bf345f73ab662b7bb979d902eb7fb90acbf81a3321f3cc45
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:70b76e8f5f83d1de2d3d86a4fdc74f4943231cc5f99f95fb0afd8bad8ac34d22- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160411007
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: Kupředu levá, zpátky ni krok · Machine-readable JSON-LD