ISRC US4KV1900024
Verified recording
US4KV1900024 is “Ooh (feat. Problem)” by E-40,
registered on the CopyrightChains blockchain with CopyrightID
0x1dc48c451e46a4149a8a28a6a1c5036be7f4b672cf6d31a62bfa417406c5f42c 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/US4KV1900024.
Recording identifiers
- ISRC
- US4KV1900024
- Title
- Ooh (feat. Problem)
- Artist
- E-40
- CopyrightID (CopyrightChains transaction hash)
0x1dc48c451e46a4149a8a28a6a1c5036be7f4b672cf6d31a62bfa417406c5f42c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6c25bf96842dd5ad1ac487e11cdc7120068998e47bd8796a51ec650f916455df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1900024
- Bitcoin block existence check
- https://blockstream.info/api/block/956302