ISRC USUM70821111
Verified recording
USUM70821111 is “Black President” by Nas,
registered on the CopyrightChains blockchain with CopyrightID
0xe88fdbc2e186a9917d5ed7bc59ad809aa101b5277083cdb0b82f91f5de361d1b 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/USUM70821111.
Recording identifiers
- ISRC
- USUM70821111
- Title
- Black President
- Artist
- Nas
- CopyrightID (CopyrightChains transaction hash)
0xe88fdbc2e186a9917d5ed7bc59ad809aa101b5277083cdb0b82f91f5de361d1b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6178a8eddaa837e1e098f59878e6e0479f3f4651873cd9865468fe45cf68cbd5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70821111
- Bitcoin block existence check
- https://blockstream.info/api/block/956302