ISRC CZA166900419
Verified recording
CZA166900419 is “Letí Šíp” by Josef Zíma,
registered on the CopyrightChains blockchain with CopyrightID
0x63ac505b3bef85a8306acf541c9441199686a15ef7742000e46a95aae9a83972 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166900419.
Recording identifiers
- ISRC
- CZA166900419
- Title
- Letí Šíp
- Artist
- Josef Zíma
- CopyrightID (CopyrightChains transaction hash)
0x63ac505b3bef85a8306acf541c9441199686a15ef7742000e46a95aae9a83972
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5885f5521adb6e89c929f249421c113a706b56acd3f526c1b897fd1c081e7aa0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166900419
- Bitcoin block existence check
- https://blockstream.info/api/block/956304