ISRC CZUM71300014
Verified recording
CZUM71300014 is “Archimede” by Helena Vondráčková,
registered on the CopyrightChains blockchain with CopyrightID
0xd945da2e465f60724ce7bd12a8b41139b17c86329e804e52ea0f4648a3523e8a and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71300014.
Recording identifiers
- ISRC
- CZUM71300014
- Title
- Archimede
- Artist
- Helena Vondráčková
- CopyrightID (CopyrightChains transaction hash)
0xd945da2e465f60724ce7bd12a8b41139b17c86329e804e52ea0f4648a3523e8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:b6a0345c55a4e824ea627a481b137de1dc07e3414eabc964d56e04721878a742- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71300014
- Bitcoin block existence check
- https://blockstream.info/api/block/960209