ISRC USHKR0950103
Verified recording
USHKR0950103 is “Say What” by Problemz,
registered on the CopyrightChains blockchain with CopyrightID
0x280311703c03d326a68a707590f058fcbf9577c47626f89dee3bc3fd8b825607 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHKR0950103.
Recording identifiers
- ISRC
- USHKR0950103
- Title
- Say What
- Artist
- Problemz
- CopyrightID (CopyrightChains transaction hash)
0x280311703c03d326a68a707590f058fcbf9577c47626f89dee3bc3fd8b825607
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:bbe7ecccec27fd44e314072aa62c84003cf34ed2078e1f354ca5af183b460c9e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHKR0950103
- Bitcoin block existence check
- https://blockstream.info/api/block/957118