ISRC CZA540898212
Verified recording
CZA540898212 is “Zázrak Jedné Noci - Live” by Lešek Semelka,
registered on the CopyrightChains blockchain with CopyrightID
0x3963dd25dce0bd2ab4a8198f4f7c6fe91d4c00850f924b3ac097727df74e8dc1 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA540898212.
Recording identifiers
- ISRC
- CZA540898212
- Title
- Zázrak Jedné Noci - Live
- Artist
- Lešek Semelka
- CopyrightID (CopyrightChains transaction hash)
0x3963dd25dce0bd2ab4a8198f4f7c6fe91d4c00850f924b3ac097727df74e8dc1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:dfea1b5c82d5760d58d6062f9a25a7ba9066fc0fecf53ffcfb1f49752161f825- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA540898212
- Bitcoin block existence check
- https://blockstream.info/api/block/960354
Full record
Track page: Zázrak Jedné Noci - Live · Machine-readable JSON-LD