ISRC CZA168600279
Verified recording
CZA168600279 is “Léto Jak Má Být” by Karel Zich,
registered on the CopyrightChains blockchain with CopyrightID
0xaf6f07ec55d87458039e9b9b6c87fe949621d81b9a7d1d705a193b9d533cdd4c 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/CZA168600279.
Recording identifiers
- ISRC
- CZA168600279
- Title
- Léto Jak Má Být
- Artist
- Karel Zich
- CopyrightID (CopyrightChains transaction hash)
0xaf6f07ec55d87458039e9b9b6c87fe949621d81b9a7d1d705a193b9d533cdd4c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:91cd21034b6abc4ceb1d30303a5c0d9e927b3ddc4b48a79c3848928bed0956e0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168600279
- Bitcoin block existence check
- https://blockstream.info/api/block/953520