ISRC USUM71111920
Verified recording
USUM71111920 is “Nasty” by Nas,
registered on the CopyrightChains blockchain with CopyrightID
0x7ebe2ad13e56afe444e65acfb8301801f3021d8cd198bb76e02c9e6a25133b91 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71111920.
Recording identifiers
- ISRC
- USUM71111920
- Title
- Nasty
- Artist
- Nas
- CopyrightID (CopyrightChains transaction hash)
0x7ebe2ad13e56afe444e65acfb8301801f3021d8cd198bb76e02c9e6a25133b91
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:ba56a1f7e7c0ae5acdf524f9223914ff9dd31ec14312e01ea85911f090151a78- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71111920
- Bitcoin block existence check
- https://blockstream.info/api/block/953513