ISRC USAT20403210
Verified recording
USAT20403210 is “Them Changes - Live at Fillmore West, San Francisco, CA, 3/6/1971” by King Curtis,
registered on the CopyrightChains blockchain with CopyrightID
0x1362dc72d54d0a30704789dd85e7f9e81cc4ff4dfb83b8d721708480fed4810b and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20403210.
Recording identifiers
- ISRC
- USAT20403210
- Title
- Them Changes - Live at Fillmore West, San Francisco, CA, 3/6/1971
- Artist
- King Curtis
- CopyrightID (CopyrightChains transaction hash)
0x1362dc72d54d0a30704789dd85e7f9e81cc4ff4dfb83b8d721708480fed4810b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:73b8b8b14ffcb77ed85252c67e1ffe5993d60f5dfa7db95b854d99d43f8a0bb2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20403210
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Them Changes - Live at Fillmore West, San Francisco, CA, 3/6/1971 · Machine-readable JSON-LD