ISRC CZA239600067
Verified recording
CZA239600067 is “Jak kdy” by Vera Martinova,
registered on the CopyrightChains blockchain with CopyrightID
0xd510c29fa74f3fd1f0c1301bd194b9d0651e73997b7ef5645aed8e58807f003b and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239600067.
Recording identifiers
- ISRC
- CZA239600067
- Title
- Jak kdy
- Artist
- Vera Martinova
- CopyrightID (CopyrightChains transaction hash)
0xd510c29fa74f3fd1f0c1301bd194b9d0651e73997b7ef5645aed8e58807f003b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c3e96aa1274dd76e4a6717c01e463ba584166019edd29dd37109c48ea304138f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239600067
- Bitcoin block existence check
- https://blockstream.info/api/block/956304