ISRC USRC11200454
Verified recording
USRC11200454 is “Numb” by USHER,
registered on the CopyrightChains blockchain with CopyrightID
0x4e704a13f7362a86acca393512879bf238fcc770ea0f41abc49aba03fada05b9 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/USRC11200454.
Recording identifiers
- ISRC
- USRC11200454
- Title
- Numb
- Artist
- USHER
- CopyrightID (CopyrightChains transaction hash)
0x4e704a13f7362a86acca393512879bf238fcc770ea0f41abc49aba03fada05b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c5e1a24fb865cd29e665527a65d169148869f3843c53eec9bf44d7c827184474- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11200454
- Bitcoin block existence check
- https://blockstream.info/api/block/953513