ISRC CZA169802226
Verified recording
CZA169802226 is “O velkém zubu - Zub Hlouposti” by Václav Vydra,
registered on the CopyrightChains blockchain with CopyrightID
0x42a1f94361021c3aad08a514efab5bbded0fad658deb9b6a242eafaa68443ff6 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169802226.
Recording identifiers
- ISRC
- CZA169802226
- Title
- O velkém zubu - Zub Hlouposti
- Artist
- Václav Vydra
- CopyrightID (CopyrightChains transaction hash)
0x42a1f94361021c3aad08a514efab5bbded0fad658deb9b6a242eafaa68443ff6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:9c5e963bd9c37d1228a2e4e48154d7802b3f9cb63f3668eb6c68f02d16fdabcb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169802226
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: O velkém zubu - Zub Hlouposti · Machine-readable JSON-LD