ISRC CZUM71400262
Verified recording
CZUM71400262 is “Predehra” by Karel Svoboda,
registered on the CopyrightChains blockchain with CopyrightID
0xc023fdcb4283ebf5195084da1724cab5210b4ddd9c202015a81370c96fa0d6b1 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400262.
Recording identifiers
- ISRC
- CZUM71400262
- Title
- Predehra
- Artist
- Karel Svoboda
- CopyrightID (CopyrightChains transaction hash)
0xc023fdcb4283ebf5195084da1724cab5210b4ddd9c202015a81370c96fa0d6b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:21b4109a0f7052afac946f54723e7e07e27e7ded4904ba6f3b5c5491bc68e082- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400262
- Bitcoin block existence check
- https://blockstream.info/api/block/956302