ISRC CZA168400152
Verified recording
CZA168400152 is “Rezervé” by Helena Vondráčková,
registered on the CopyrightChains blockchain with CopyrightID
0x9a8c4b73b2a5a918f96e9a9b1199d9f7fc3947ea14e36cdfc59dcfc24d1981ce and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168400152.
Recording identifiers
- ISRC
- CZA168400152
- Title
- Rezervé
- Artist
- Helena Vondráčková
- CopyrightID (CopyrightChains transaction hash)
0x9a8c4b73b2a5a918f96e9a9b1199d9f7fc3947ea14e36cdfc59dcfc24d1981ce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:bf62cce81fe4a9de4962c5d24d1a061d3b3319a2dfd62029da4b219106d99175- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168400152
- Bitcoin block existence check
- https://blockstream.info/api/block/960455