ISRC USWWW0201297
Verified recording
USWWW0201297 is “Sometimes I'm Happy” by Lester Young Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0xc8157556124648ac1af0418156f7da4e8beb15ab65cfcd8468bd9d7c8a0e2c83 and independently timestamped
in Bitcoin block 959163 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWWW0201297.
Recording identifiers
- ISRC
- USWWW0201297
- Title
- Sometimes I'm Happy
- Artist
- Lester Young Quartet
- CopyrightID (CopyrightChains transaction hash)
0xc8157556124648ac1af0418156f7da4e8beb15ab65cfcd8468bd9d7c8a0e2c83
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T18:47:29+00:00
- Bitcoin block
- 959163
- Canonical record hash
sha256:1df4da5b99a702b71fe174b22cc4605d380570aeb74d2d19da4b84207f59e695- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWWW0201297
- Bitcoin block existence check
- https://blockstream.info/api/block/959163