ISRC USSM15700363
Verified recording
USSM15700363 is “September Song (From Knickerbocker Holiday)” by Lotte Lenya,
registered on the CopyrightChains blockchain with CopyrightID
0x10742dcd7b2b275d47da23dc6a610aea6cac552436e0ccf9b033e9dd0d57a805 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15700363.
Recording identifiers
- ISRC
- USSM15700363
- Title
- September Song (From Knickerbocker Holiday)
- Artist
- Lotte Lenya
- CopyrightID (CopyrightChains transaction hash)
0x10742dcd7b2b275d47da23dc6a610aea6cac552436e0ccf9b033e9dd0d57a805
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:e9409ca0abd36bf58cf644d888a619db39146063e2095567819eb9ad787467e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15700363
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: September Song (From Knickerbocker Holiday) · Machine-readable JSON-LD