ISRC USQX91902371
Verified recording
USQX91902371 is “Smackwater Jack - Live at The Montreux Jazz Festival 1973” by Carole King,
registered on the CopyrightChains blockchain with CopyrightID
0xe9ed9461be9c0a25f94a1202b9fb827b894538140ae79b982b3f00fe5abb7f25 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91902371.
Recording identifiers
- ISRC
- USQX91902371
- Title
- Smackwater Jack - Live at The Montreux Jazz Festival 1973
- Artist
- Carole King
- CopyrightID (CopyrightChains transaction hash)
0xe9ed9461be9c0a25f94a1202b9fb827b894538140ae79b982b3f00fe5abb7f25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:9e8645f70f2c00ed5438be9d78594d3a222a45d30440679d707b75555d58b610- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91902371
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Smackwater Jack - Live at The Montreux Jazz Festival 1973 · Machine-readable JSON-LD