ISRC CZA232500263
Verified recording
CZA232500263 is “Długa noc” by Helena Vondráčková,
registered on the CopyrightChains blockchain with CopyrightID
0x7caab7f6532aed00350fa6c6f63248bbe349b37413eb19410e9e48d48f80225e and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232500263.
Recording identifiers
- ISRC
- CZA232500263
- Title
- Długa noc
- Artist
- Helena Vondráčková
- CopyrightID (CopyrightChains transaction hash)
0x7caab7f6532aed00350fa6c6f63248bbe349b37413eb19410e9e48d48f80225e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4e4273e30dd4878eb9e5d55efc558e93fae2dd0c6ed07715519fc95ad8cc817e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232500263
- Bitcoin block existence check
- https://blockstream.info/api/block/953520