ISRC USUYG1333417
Verified recording
USUYG1333417 is “Optimistic” by Rexx Life Raj,
registered on the CopyrightChains blockchain with CopyrightID
0xeccf5f365bc175ac2bdfdeb07868b8f936ad3998392fe37a49c53089e36d348a 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/USUYG1333417.
Recording identifiers
- ISRC
- USUYG1333417
- Title
- Optimistic
- Artist
- Rexx Life Raj
- CopyrightID (CopyrightChains transaction hash)
0xeccf5f365bc175ac2bdfdeb07868b8f936ad3998392fe37a49c53089e36d348a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:ebf06ac49e79d6cb3a4f8a3834fcd3508069c486227f1ea7f2d8c53145a629ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1333417
- Bitcoin block existence check
- https://blockstream.info/api/block/956302