ISRC CZUM71400271
Verified recording
CZUM71400271 is “Lasko ma, ja stunu” by Karel Svoboda,
registered on the CopyrightChains blockchain with CopyrightID
0x453ab30032594e1ac0e7dd726ff95bf72d843bc2c07f252b6981027e21d14924 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400271.
Recording identifiers
- ISRC
- CZUM71400271
- Title
- Lasko ma, ja stunu
- Artist
- Karel Svoboda
- CopyrightID (CopyrightChains transaction hash)
0x453ab30032594e1ac0e7dd726ff95bf72d843bc2c07f252b6981027e21d14924
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:91d74c135b6857a4f46175a266e48f3b7253758abb6e5a5fd0fbab6fe6ebc739- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400271
- Bitcoin block existence check
- https://blockstream.info/api/block/953515