ISRC USQX91902344
Verified recording
USQX91902344 is “Who Knows - Live at the Fillmore East, NY - 1/1/70 - 1st Set” by Jimi Hendrix,
registered on the CopyrightChains blockchain with CopyrightID
0x4f2e6483d675bc8318131aa56073dcb4534351ffa77b005046abded9e89c5316 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91902344.
Recording identifiers
- ISRC
- USQX91902344
- Title
- Who Knows - Live at the Fillmore East, NY - 1/1/70 - 1st Set
- Artist
- Jimi Hendrix
- CopyrightID (CopyrightChains transaction hash)
0x4f2e6483d675bc8318131aa56073dcb4534351ffa77b005046abded9e89c5316
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:3fb0f3cee53ba4353487077b08e95e0933f5c574f8f0868caf98154137ba2fa5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91902344
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Who Knows - Live at the Fillmore East, NY - 1/1/70 - 1st Set · Machine-readable JSON-LD