ISRC US83Z1790908
Verified recording
US83Z1790908 is “Cara Sur” by Derrok,
registered on the CopyrightChains blockchain with CopyrightID
0xa1371b710078f017dcea4385737210c3792d9655be6ca29d9260719d207f15a2 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1790908.
Recording identifiers
- ISRC
- US83Z1790908
- Title
- Cara Sur
- Artist
- Derrok
- CopyrightID (CopyrightChains transaction hash)
0xa1371b710078f017dcea4385737210c3792d9655be6ca29d9260719d207f15a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:c5416927d11483c9939dbcfcc56911378c8f1c2e186f9f5c13f773fcd4d72ece- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1790908
- Bitcoin block existence check
- https://blockstream.info/api/block/960220