ISRC CZUM71400273
Verified recording
CZUM71400273 is “Ten kdo neduma” by Karel Svoboda,
registered on the CopyrightChains blockchain with CopyrightID
0x8732126e336d6f3a6e36092519628709aae29ee97291f75aaadc65a6d6c369bd and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400273.
Recording identifiers
- ISRC
- CZUM71400273
- Title
- Ten kdo neduma
- Artist
- Karel Svoboda
- CopyrightID (CopyrightChains transaction hash)
0x8732126e336d6f3a6e36092519628709aae29ee97291f75aaadc65a6d6c369bd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:719db3a2fbed264a3a7e19f7fd8be5d7e136ded0f628dcedf965530241ef25d0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400273
- Bitcoin block existence check
- https://blockstream.info/api/block/953520