ISRC CZA163354221
Verified recording
CZA163354221 is “Když” by Jiří Zmožek,
registered on the CopyrightChains blockchain with CopyrightID
0xbdef88e13158f0eadda909f4255d94ec0d2a0c97792b64cb433c10944a1d42f6 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA163354221.
Recording identifiers
- ISRC
- CZA163354221
- Title
- Když
- Artist
- Jiří Zmožek
- CopyrightID (CopyrightChains transaction hash)
0xbdef88e13158f0eadda909f4255d94ec0d2a0c97792b64cb433c10944a1d42f6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:09f0d15557bdf0fd3c31fa62b9eb1aeb9dc84e2e2456fe01fad5290b0372a038- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA163354221
- Bitcoin block existence check
- https://blockstream.info/api/block/960368