ISRC CZA231202511
Verified recording
CZA231202511 is “Call me” by Helena Vondráčková,
registered on the CopyrightChains blockchain with CopyrightID
0x2402a1fdac1e8aaf0803c8fd0596e4e81c6d6d112da6883ce28fdcd91307fe92 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231202511.
Recording identifiers
- ISRC
- CZA231202511
- Title
- Call me
- Artist
- Helena Vondráčková
- CopyrightID (CopyrightChains transaction hash)
0x2402a1fdac1e8aaf0803c8fd0596e4e81c6d6d112da6883ce28fdcd91307fe92
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:0e020bf1d3437b8cbba2ef584c3b4d6ffc6858f5245d2bd09abb2389f84b303c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231202511
- Bitcoin block existence check
- https://blockstream.info/api/block/960448