ISRC USAT20403183
Verified recording
USAT20403183 is “Intro - Live at Fillmore West, San Francisco, CA, 3/5/1971” by King Curtis,
registered on the CopyrightChains blockchain with CopyrightID
0x392ff58ab67ecb71a81e041ee821514f8933323445364930d8afef327c9a4025 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20403183.
Recording identifiers
- ISRC
- USAT20403183
- Title
- Intro - Live at Fillmore West, San Francisco, CA, 3/5/1971
- Artist
- King Curtis
- CopyrightID (CopyrightChains transaction hash)
0x392ff58ab67ecb71a81e041ee821514f8933323445364930d8afef327c9a4025
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:4475bf998a0742c058f3d0ab705b036bd173924d1226e964e53b874a82d307cd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20403183
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Intro - Live at Fillmore West, San Francisco, CA, 3/5/1971 · Machine-readable JSON-LD