ISRC USB4U0400641
Verified recording
USB4U0400641 is “Looking Back” by Bold,
registered on the CopyrightChains blockchain with CopyrightID
0x3f73ecf1c6a4dea511a60b04fd9a00db1ee98167d2fd01b1475a72cddca69188 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/USB4U0400641.
Recording identifiers
- ISRC
- USB4U0400641
- Title
- Looking Back
- Artist
- Bold
- CopyrightID (CopyrightChains transaction hash)
0x3f73ecf1c6a4dea511a60b04fd9a00db1ee98167d2fd01b1475a72cddca69188
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3f4bb6e53bd433a3cac13391c65947c53bdb54228477c052aeb3007b3127e138- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0400641
- Bitcoin block existence check
- https://blockstream.info/api/block/957118