ISRC CZA161100857
Verified recording
CZA161100857 is “Lekce” by Karel Černoch,
registered on the CopyrightChains blockchain with CopyrightID
0xc7929b5e6aeb7ca9beeabf762c5f3248d54f942254f88347c395229e1bf1a2cd and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161100857.
Recording identifiers
- ISRC
- CZA161100857
- Title
- Lekce
- Artist
- Karel Černoch
- CopyrightID (CopyrightChains transaction hash)
0xc7929b5e6aeb7ca9beeabf762c5f3248d54f942254f88347c395229e1bf1a2cd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:78c5c860515eea06ed1c6d37453c9df3cbd06649d10a4d0cb5cea263af6684c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161100857
- Bitcoin block existence check
- https://blockstream.info/api/block/960337