ISRC CZA166800223
Verified recording
CZA166800223 is “Pláč” by Václav Neckář,
registered on the CopyrightChains blockchain with CopyrightID
0x41ce69f4f3b995170eeb01f87f4e11a7fde0f3bd383607ec9052d3a91f796046 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166800223.
Recording identifiers
- ISRC
- CZA166800223
- Title
- Pláč
- Artist
- Václav Neckář
- CopyrightID (CopyrightChains transaction hash)
0x41ce69f4f3b995170eeb01f87f4e11a7fde0f3bd383607ec9052d3a91f796046
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:e367a70fa9a537d1b294a0c76bf9c21c5455ee9b0bcdecd731d9a4e661e15e9c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166800223
- Bitcoin block existence check
- https://blockstream.info/api/block/960448