ISRC US4KV1800068
Verified recording
US4KV1800068 is “Relax (feat. Problem)” by E-40,
registered on the CopyrightChains blockchain with CopyrightID
0x8d4326267aa818df415a8967faa55fee181d577868d975c942580c18ded54a2b 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/US4KV1800068.
Recording identifiers
- ISRC
- US4KV1800068
- Title
- Relax (feat. Problem)
- Artist
- E-40
- CopyrightID (CopyrightChains transaction hash)
0x8d4326267aa818df415a8967faa55fee181d577868d975c942580c18ded54a2b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:ac3463097d145b356cdc1e766d80d19610cc29985a82b90bc787d0572eacb031- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4KV1800068
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Relax (feat. Problem) · Machine-readable JSON-LD