ISRC CZA166500316
Verified recording
CZA166500316 is “Do Vlasů” by Josef Zíma,
registered on the CopyrightChains blockchain with CopyrightID
0xe9357ba3e5f14fd9a560d5a99c97dfac54b93468be378b8d9961c42c5be48668 and independently timestamped
in Bitcoin block 960111 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166500316.
Recording identifiers
- ISRC
- CZA166500316
- Title
- Do Vlasů
- Artist
- Josef Zíma
- CopyrightID (CopyrightChains transaction hash)
0xe9357ba3e5f14fd9a560d5a99c97dfac54b93468be378b8d9961c42c5be48668
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:21:01+00:00
- Bitcoin block
- 960111
- Canonical record hash
sha256:52d944617b8738084cd21277c925059c0d5a4a7172c167b2212260db69493c36- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166500316
- Bitcoin block existence check
- https://blockstream.info/api/block/960111