ISRC USUM70821106
Verified recording
USUM70821106 is “Untitled” by Nas,
registered on the CopyrightChains blockchain with CopyrightID
0x76dc431d11e9d380681aabd890595f9c284a508148aa9458c210ab085328e376 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70821106.
Recording identifiers
- ISRC
- USUM70821106
- Title
- Untitled
- Artist
- Nas
- CopyrightID (CopyrightChains transaction hash)
0x76dc431d11e9d380681aabd890595f9c284a508148aa9458c210ab085328e376
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:fea933aa3d8271efeaa9c7bb3db3dba6fdd8d1a8a3d9249419de2ae75eec4968- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70821106
- Bitcoin block existence check
- https://blockstream.info/api/block/953520