ISRC CZA161540425
Verified recording
CZA161540425 is “Cestou Ze Školy” by Karel Svoboda,
registered on the CopyrightChains blockchain with CopyrightID
0xec27f5b67d61db80c6ce80228ea2a648364c02ca4b2b9ba47a9b752cbc12dbf5 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161540425.
Recording identifiers
- ISRC
- CZA161540425
- Title
- Cestou Ze Školy
- Artist
- Karel Svoboda
- CopyrightID (CopyrightChains transaction hash)
0xec27f5b67d61db80c6ce80228ea2a648364c02ca4b2b9ba47a9b752cbc12dbf5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:1e3675f0ae6937f17d87cc785bbfaf006220a747bdd6d8b11728b909b392e0ef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161540425
- Bitcoin block existence check
- https://blockstream.info/api/block/960418