ISRC USJKM0807111
Verified recording
USJKM0807111 is “Cold Muthafuckas” by Layzie Bone,
registered on the CopyrightChains blockchain with CopyrightID
0x1a2f53ec2d583d0effcb4770d4a875e06d0bfb2cbf5887e0ec9ea97c851c20fd and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJKM0807111.
Recording identifiers
- ISRC
- USJKM0807111
- Title
- Cold Muthafuckas
- Artist
- Layzie Bone
- CopyrightID (CopyrightChains transaction hash)
0x1a2f53ec2d583d0effcb4770d4a875e06d0bfb2cbf5887e0ec9ea97c851c20fd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:7b0129024a1bca3b7cacc6384555fab6d1bdbdfeef0abec9e6b1c62edc15d1fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJKM0807111
- Bitcoin block existence check
- https://blockstream.info/api/block/960468