ISRC CZA540904408
Verified recording
CZA540904408 is “Slzy Sedmi Bolestí” by Jiří Zmožek,
registered on the CopyrightChains blockchain with CopyrightID
0x1ef643f34a0cdb5314899d71829ab87aaaa047c8367cb6a5e0f40ca4e5e24e03 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA540904408.
Recording identifiers
- ISRC
- CZA540904408
- Title
- Slzy Sedmi Bolestí
- Artist
- Jiří Zmožek
- CopyrightID (CopyrightChains transaction hash)
0x1ef643f34a0cdb5314899d71829ab87aaaa047c8367cb6a5e0f40ca4e5e24e03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:8b19da88cfba732ac12ca5224944c4dae501651af011532ad9e33ae7e4892791- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA540904408
- Bitcoin block existence check
- https://blockstream.info/api/block/960254