ISRC USFZH1200031
Verified recording
USFZH1200031 is “When You Sleep” by DJ Nu-Mark,
registered on the CopyrightChains blockchain with CopyrightID
0x11a3d59e5013e188fd4ce041454332192242e6848c33758a2ab8ee1f96a01b85 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/USFZH1200031.
Recording identifiers
- ISRC
- USFZH1200031
- Title
- When You Sleep
- Artist
- DJ Nu-Mark
- CopyrightID (CopyrightChains transaction hash)
0x11a3d59e5013e188fd4ce041454332192242e6848c33758a2ab8ee1f96a01b85
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8ccce1b92bded7a03097f60f193c7df758bafbfded6b1497b0f88d1145b7c590- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFZH1200031
- Bitcoin block existence check
- https://blockstream.info/api/block/956302