ISRC USC4R1604537
Verified recording
USC4R1604537 is “Duet For Saxophone And Guitar” by Lee Konitz,
registered on the CopyrightChains blockchain with CopyrightID
0x31b0a10f7029f71398a102e96f308a6fc08fccb6c8f671e370f0aa711840f128 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R1604537.
Recording identifiers
- ISRC
- USC4R1604537
- Title
- Duet For Saxophone And Guitar
- Artist
- Lee Konitz
- CopyrightID (CopyrightChains transaction hash)
0x31b0a10f7029f71398a102e96f308a6fc08fccb6c8f671e370f0aa711840f128
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:955b7dc927003507fdcf689a20db2841c84feb34b42fac9282c64b33e2481d41- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R1604537
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Duet For Saxophone And Guitar · Machine-readable JSON-LD