ISRC USSM16800122
Verified recording
USSM16800122 is “Sonny Boy Williamson - Live at Bill Graham's Fillmore Auditorium, San Francisco, CA - September 1968” by Al Kooper,
registered on the CopyrightChains blockchain with CopyrightID
0x51604c9768901ae98bd5996531d1710c2ed2833a35b81e2f60a475e87aa3e7ee and independently timestamped
in Bitcoin block 959103 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM16800122.
Recording identifiers
- ISRC
- USSM16800122
- Title
- Sonny Boy Williamson - Live at Bill Graham's Fillmore Auditorium, San Francisco, CA - September 1968
- Artist
- Al Kooper
- CopyrightID (CopyrightChains transaction hash)
0x51604c9768901ae98bd5996531d1710c2ed2833a35b81e2f60a475e87aa3e7ee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T05:56:21+00:00
- Bitcoin block
- 959103
- Canonical record hash
sha256:45ac7b4e3f22086bcaaf584e2eccc7e19e8869e875649ec4ea1efbedf964ea59- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM16800122
- Bitcoin block existence check
- https://blockstream.info/api/block/959103
Full record
Track page: Sonny Boy Williamson - Live at Bill Graham's Fillmore Auditorium, San Francisco, CA - September 1968 · Machine-readable JSON-LD