ISRC CZA162300442
Verified recording
CZA162300442 is “Až jednou” by Karel Gott,
registered on the CopyrightChains blockchain with CopyrightID
0xa713a9fe46683583becba19e8d68aa6f0f88d0b08e80f8d5ce8eab422d702673 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162300442.
Recording identifiers
- ISRC
- CZA162300442
- Title
- Až jednou
- Artist
- Karel Gott
- CopyrightID (CopyrightChains transaction hash)
0xa713a9fe46683583becba19e8d68aa6f0f88d0b08e80f8d5ce8eab422d702673
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:5188eacec3e1eb37aeb2f01b5c6217fcf383683aaf348a864e82b9721ad44f74- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162300442
- Bitcoin block existence check
- https://blockstream.info/api/block/960435