ISRC USQX90900801
Verified recording
USQX90900801 is “Who Knows - Live At Fillmore East, 1970 / 50th Anniversary” by Jimi Hendrix,
registered on the CopyrightChains blockchain with CopyrightID
0xfc6b6708e8cb20d286fb45e6d466a943407bbf8d1508cf8b4709934160b5b606 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX90900801.
Recording identifiers
- ISRC
- USQX90900801
- Title
- Who Knows - Live At Fillmore East, 1970 / 50th Anniversary
- Artist
- Jimi Hendrix
- CopyrightID (CopyrightChains transaction hash)
0xfc6b6708e8cb20d286fb45e6d466a943407bbf8d1508cf8b4709934160b5b606
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:303f436e601649dae94ab5652d42468e4d86cdf96e79f183b77bfd83de5a3310- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX90900801
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Who Knows - Live At Fillmore East, 1970 / 50th Anniversary · Machine-readable JSON-LD