ISRC USSM15900110
Verified recording
USSM15900110 is “Kathy's Waltz” by The Dave Brubeck Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0xc962d9aab64c3e892fa0d3cb56c1be98f2ce5f9967eed50cec059434b7241f5a and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15900110.
Recording identifiers
- ISRC
- USSM15900110
- Title
- Kathy's Waltz
- Artist
- The Dave Brubeck Quartet
- CopyrightID (CopyrightChains transaction hash)
0xc962d9aab64c3e892fa0d3cb56c1be98f2ce5f9967eed50cec059434b7241f5a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:cb7f8b8b01dff0efbee95ce6c1e9eabc738257b3897298d9ceb5ca11f7aa7481- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15900110
- Bitcoin block existence check
- https://blockstream.info/api/block/960327