ISRC USUM70821108
Verified recording
USUM70821108 is “Project Roach” by Nas,
registered on the CopyrightChains blockchain with CopyrightID
0x4a3c143feef18bad7da3b59b7b8bafae69f47641309c76b87e59b6ff5b974d8d 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/USUM70821108.
Recording identifiers
- ISRC
- USUM70821108
- Title
- Project Roach
- Artist
- Nas
- CopyrightID (CopyrightChains transaction hash)
0x4a3c143feef18bad7da3b59b7b8bafae69f47641309c76b87e59b6ff5b974d8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:50dcedb55b4fe9f7669555eb1b1fb1453e1cf286bb770473da340d3c336d2e92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70821108
- Bitcoin block existence check
- https://blockstream.info/api/block/956302