ISRC CZA129810060
Verified recording
CZA129810060 is “Big Bad John” by Miroslav Černý,
registered on the CopyrightChains blockchain with CopyrightID
0x2d1183b771999d5ae902444ab35d67104c935dcf412b7a4cc569a9dda368de8d and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA129810060.
Recording identifiers
- ISRC
- CZA129810060
- Title
- Big Bad John
- Artist
- Miroslav Černý
- CopyrightID (CopyrightChains transaction hash)
0x2d1183b771999d5ae902444ab35d67104c935dcf412b7a4cc569a9dda368de8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:815d178076f5951914eaa09fdcdf4cd95573f7a57b74a43333f51c4dddf8ca01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA129810060
- Bitcoin block existence check
- https://blockstream.info/api/block/960344