ISRC CZA231000388
Verified recording
CZA231000388 is “Spolu” by Petr Muk,
registered on the CopyrightChains blockchain with CopyrightID
0x7d1b8e9269ffeb5f502f67d80ae8cbc85127b7b983a4227264687f07fd0e11eb and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231000388.
Recording identifiers
- ISRC
- CZA231000388
- Title
- Spolu
- Artist
- Petr Muk
- CopyrightID (CopyrightChains transaction hash)
0x7d1b8e9269ffeb5f502f67d80ae8cbc85127b7b983a4227264687f07fd0e11eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:bc5006f79191c2e7b85aa20317bb078b33c8d6f9e3142791bb837b386aefa219- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231000388
- Bitcoin block existence check
- https://blockstream.info/api/block/957118