ISRC CZA231300718
Verified recording
CZA231300718 is “Spolu 2013” by Petr Muk,
registered on the CopyrightChains blockchain with CopyrightID
0xb0043085ec94397101064174df6b70fb6ff0ce979374ab461b467d9e0bea3b4a and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231300718.
Recording identifiers
- ISRC
- CZA231300718
- Title
- Spolu 2013
- Artist
- Petr Muk
- CopyrightID (CopyrightChains transaction hash)
0xb0043085ec94397101064174df6b70fb6ff0ce979374ab461b467d9e0bea3b4a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:8e92934618ab9b30906394b9f4d33bafe8afb4b8b0dd5cb91341b82bcb74d27e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231300718
- Bitcoin block existence check
- https://blockstream.info/api/block/957120