ISRC US4KV1600055
Verified recording
US4KV1600055 is “I Know A Guy” by E-40,
registered on the CopyrightChains blockchain with CopyrightID
0x618c21a7db6a140f0b72de8db09d2561ab39ab4cf8f1efb1249852bc4d62176b and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1600055.
Recording identifiers
- ISRC
- US4KV1600055
- Title
- I Know A Guy
- Artist
- E-40
- CopyrightID (CopyrightChains transaction hash)
0x618c21a7db6a140f0b72de8db09d2561ab39ab4cf8f1efb1249852bc4d62176b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2f078cfe37ada14d4793d6015cc23ab4e88131c2c987038b6707e31e81584ccb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1600055
- Bitcoin block existence check
- https://blockstream.info/api/block/956302