ISRC CZA541008502
Verified recording
CZA541008502 is “To Jsem Já I.” by Josef Vojtek,
registered on the CopyrightChains blockchain with CopyrightID
0x5a30e0c97c270d6bf41b152710b921652e7e55fc5ddc946c185292e5d50c4a36 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA541008502.
Recording identifiers
- ISRC
- CZA541008502
- Title
- To Jsem Já I.
- Artist
- Josef Vojtek
- CopyrightID (CopyrightChains transaction hash)
0x5a30e0c97c270d6bf41b152710b921652e7e55fc5ddc946c185292e5d50c4a36
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:1cdf6b603f3d0bb4e629482e6ee723b7b34e6467b612b1ef8a53f8b1a6ddd082- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA541008502
- Bitcoin block existence check
- https://blockstream.info/api/block/960327