ISRC CZUM71700243
Verified recording
CZUM71700243 is “Chtěl Bych” by Miroslav Černý,
registered on the CopyrightChains blockchain with CopyrightID
0xb5b088d443139fe5926e6af4bcb677ddab0fdd30dbd2e88f451908d206ed7fca and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71700243.
Recording identifiers
- ISRC
- CZUM71700243
- Title
- Chtěl Bych
- Artist
- Miroslav Černý
- CopyrightID (CopyrightChains transaction hash)
0xb5b088d443139fe5926e6af4bcb677ddab0fdd30dbd2e88f451908d206ed7fca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:3e96a6142316110d38885306694d728a4d57fff00cff9f79c702f49b90841a16- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71700243
- Bitcoin block existence check
- https://blockstream.info/api/block/960291