ISRC USWB10101669
Verified recording
USWB10101669 is “Sweet Sorrow” by Joshua Redman Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0xc113843b686998b30307793305cca91d3f575f4989e653438ea8a465d64646ca and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWB10101669.
Recording identifiers
- ISRC
- USWB10101669
- Title
- Sweet Sorrow
- Artist
- Joshua Redman Quartet
- CopyrightID (CopyrightChains transaction hash)
0xc113843b686998b30307793305cca91d3f575f4989e653438ea8a465d64646ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:e7b39fe89d56ac1a34e586053b0e2ddaf5235cebac07dd9c523cfe9179db0980- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWB10101669
- Bitcoin block existence check
- https://blockstream.info/api/block/960220