ISRC USKO11500086
Verified recording
USKO11500086 is “Jeff's Blues (Mama Didn't) [feat. Dave Koz, Rick Braun]” by Jeff Golub,
registered on the CopyrightChains blockchain with CopyrightID
0xfdf270368045973249cae5907567dd2104bc13dfa498670e07b5e61aaf6fe17a and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11500086.
Recording identifiers
- ISRC
- USKO11500086
- Title
- Jeff's Blues (Mama Didn't) [feat. Dave Koz, Rick Braun]
- Artist
- Jeff Golub
- CopyrightID (CopyrightChains transaction hash)
0xfdf270368045973249cae5907567dd2104bc13dfa498670e07b5e61aaf6fe17a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:d751c69af4aee10bf6bc463f031656d88da6019c35d6fd1c1bc09f97eac335ba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11500086
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Jeff's Blues (Mama Didn't) [feat. Dave Koz, Rick Braun] · Machine-readable JSON-LD