ISRC CZA167200558
Verified recording
CZA167200558 is “Růžička” by Spiritual Kvintet,
registered on the CopyrightChains blockchain with CopyrightID
0x54228b1bc09666b9de8fde899411df2928663e7bd9c76e785e567edc3023849d 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/CZA167200558.
Recording identifiers
- ISRC
- CZA167200558
- Title
- Růžička
- Artist
- Spiritual Kvintet
- CopyrightID (CopyrightChains transaction hash)
0x54228b1bc09666b9de8fde899411df2928663e7bd9c76e785e567edc3023849d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3bfa47647d02b336ef3c3936029b59e0c9df529e0795bdf349aca08284d23a8a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167200558
- Bitcoin block existence check
- https://blockstream.info/api/block/957118