ISRC USUM70620809
Verified recording
USUM70620809 is “Not Going Back” by Nas,
registered on the CopyrightChains blockchain with CopyrightID
0x44fdb48ef24ad2399ab41c567840f7bb60518445e3f417fb7bb2122ae6b8eaf0 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70620809.
Recording identifiers
- ISRC
- USUM70620809
- Title
- Not Going Back
- Artist
- Nas
- CopyrightID (CopyrightChains transaction hash)
0x44fdb48ef24ad2399ab41c567840f7bb60518445e3f417fb7bb2122ae6b8eaf0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:8654c769fcebca85099e3afe192d1b517bfec9ecb386370f02e1c5a3adfef77c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70620809
- Bitcoin block existence check
- https://blockstream.info/api/block/953515