ISRC USUM70821104
Verified recording
USUM70821104 is “Testify” by Nas,
registered on the CopyrightChains blockchain with CopyrightID
0x2ae405fc7d3deee075446c16649be8abcff5a31e6ac9b82716e8d8be56be2f03 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/USUM70821104.
Recording identifiers
- ISRC
- USUM70821104
- Title
- Testify
- Artist
- Nas
- CopyrightID (CopyrightChains transaction hash)
0x2ae405fc7d3deee075446c16649be8abcff5a31e6ac9b82716e8d8be56be2f03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f6176418cf9fb9a5b090d7f1099288008057f1ac4014620a7e9e59577ee35b77- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70821104
- Bitcoin block existence check
- https://blockstream.info/api/block/956302