ISRC CZA168200121
Verified recording
CZA168200121 is “Sedm Dní” by Helena Vondráčková,
registered on the CopyrightChains blockchain with CopyrightID
0xd1c2d5deb92dac6226b140098677bbc13717c4b77005802f295c5a3defeb0655 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168200121.
Recording identifiers
- ISRC
- CZA168200121
- Title
- Sedm Dní
- Artist
- Helena Vondráčková
- CopyrightID (CopyrightChains transaction hash)
0xd1c2d5deb92dac6226b140098677bbc13717c4b77005802f295c5a3defeb0655
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:8311ad6037ffde637013dea98199a63a77c484dac750939fe3976e7cba6e269d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168200121
- Bitcoin block existence check
- https://blockstream.info/api/block/960468