ISRC USUYG1079496
Verified recording
USUYG1079496 is “4 Blocc” by Knoc City,
registered on the CopyrightChains blockchain with CopyrightID
0x0254018c4f57a71f1f8dd034a5f44db39fce3d130ad51d7ff05cb6d5b72b3817 and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1079496.
Recording identifiers
- ISRC
- USUYG1079496
- Title
- 4 Blocc
- Artist
- Knoc City
- CopyrightID (CopyrightChains transaction hash)
0x0254018c4f57a71f1f8dd034a5f44db39fce3d130ad51d7ff05cb6d5b72b3817
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:30e18dd2634c9476849e36ce6487d4b6bb3162f59c0804d0ad2a291446bb42ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1079496
- Bitcoin block existence check
- https://blockstream.info/api/block/960404