ISRC CZA239200105
Verified recording
CZA239200105 is “Z nás jsme ty někdo” by Oceán,
registered on the CopyrightChains blockchain with CopyrightID
0xf3c9edc9f5f6b8be0ac1d8ec6ffe63d393824f3c9ae7ad44b49575f9776b207d and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239200105.
Recording identifiers
- ISRC
- CZA239200105
- Title
- Z nás jsme ty někdo
- Artist
- Oceán
- CopyrightID (CopyrightChains transaction hash)
0xf3c9edc9f5f6b8be0ac1d8ec6ffe63d393824f3c9ae7ad44b49575f9776b207d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:9792678e5dc1be7793274f1fc08df2c263f9ad06c3583b94a4e524b5555aee8f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA239200105
- Bitcoin block existence check
- https://blockstream.info/api/block/960121