ISRC CZA169100013
Verified recording
CZA169100013 is “Má Holka Střízlivá” by Petr Kotvald,
registered on the CopyrightChains blockchain with CopyrightID
0x2a76ef52b20fb643a7d68b4a1ed52d3e46b4b91cd0c40c339bc98d62895b59eb and independently timestamped
in Bitcoin block 959152 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169100013.
Recording identifiers
- ISRC
- CZA169100013
- Title
- Má Holka Střízlivá
- Artist
- Petr Kotvald
- CopyrightID (CopyrightChains transaction hash)
0x2a76ef52b20fb643a7d68b4a1ed52d3e46b4b91cd0c40c339bc98d62895b59eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:23:52+00:00
- Bitcoin block
- 959152
- Canonical record hash
sha256:ca41170565be40f015dd41084389782c24c7386895f4a38d1c17a64d5fd402bf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169100013
- Bitcoin block existence check
- https://blockstream.info/api/block/959152