ISRC CZA239900472
Verified recording
CZA239900472 is “Rok dvoutisici” by Daniel Hulka,
registered on the CopyrightChains blockchain with CopyrightID
0x6b4f8de50c7f6fd0ff520319bc913756c51f6cb49669c55f981520f614437cbf and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239900472.
Recording identifiers
- ISRC
- CZA239900472
- Title
- Rok dvoutisici
- Artist
- Daniel Hulka
- CopyrightID (CopyrightChains transaction hash)
0x6b4f8de50c7f6fd0ff520319bc913756c51f6cb49669c55f981520f614437cbf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:c22ced3cacedbed351ecf1939a19b9ad0c939cf961fe084a37643c68fd9f91b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239900472
- Bitcoin block existence check
- https://blockstream.info/api/block/960337