ISRC CZA167900133
Verified recording
CZA167900133 is “O Nedělích” by Jiří Korn,
registered on the CopyrightChains blockchain with CopyrightID
0x2a23bf80ae21ff43838ed8bc8eea87240289dfef2f5372ee31f0e326fb0b6294 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167900133.
Recording identifiers
- ISRC
- CZA167900133
- Title
- O Nedělích
- Artist
- Jiří Korn
- CopyrightID (CopyrightChains transaction hash)
0x2a23bf80ae21ff43838ed8bc8eea87240289dfef2f5372ee31f0e326fb0b6294
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d9909104c6ccae29004d591ae721794c51b4ebcdbc1ae39566843f991042fd80- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167900133
- Bitcoin block existence check
- https://blockstream.info/api/block/957120