ISRC CZA100308019
Verified recording
CZA100308019 is “Hádej” by Helena Vondráčková,
registered on the CopyrightChains blockchain with CopyrightID
0x412d12492e1c481d9f3c9b657ed27a1ddaaf8a5c870f2cfe8b93f1ab4b9b1fd2 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA100308019.
Recording identifiers
- ISRC
- CZA100308019
- Title
- Hádej
- Artist
- Helena Vondráčková
- CopyrightID (CopyrightChains transaction hash)
0x412d12492e1c481d9f3c9b657ed27a1ddaaf8a5c870f2cfe8b93f1ab4b9b1fd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:2ffc7a1fe88374694993610741ef0e9a2f292d08837ab91aa36e3c0abd57e117- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA100308019
- Bitcoin block existence check
- https://blockstream.info/api/block/960302