ISRC USB4U0400220
Verified recording
USB4U0400220 is “Look Back” by Side By Side,
registered on the CopyrightChains blockchain with CopyrightID
0xe32a8defc5bd29caab9046f565e638e8cf1b06ee037a029421bb74979c8f846d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0400220.
Recording identifiers
- ISRC
- USB4U0400220
- Title
- Look Back
- Artist
- Side By Side
- CopyrightID (CopyrightChains transaction hash)
0xe32a8defc5bd29caab9046f565e638e8cf1b06ee037a029421bb74979c8f846d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:65612193b396bb69b3b3614963cfb8f774bebd3a47da0b49bf2409c5ba9f0b19- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0400220
- Bitcoin block existence check
- https://blockstream.info/api/block/956304