ISRC USSM18300745
Verified recording
USSM18300745 is “Harmony Club Waltz (Arr. J.S. Ritter for Chamber Ensemble)” by Scott Joplin,
registered on the CopyrightChains blockchain with CopyrightID
0x12f76ca30d50cad84aa14c471cbf140c881c3f4e9d80ec49d883bee607286342 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18300745.
Recording identifiers
- ISRC
- USSM18300745
- Title
- Harmony Club Waltz (Arr. J.S. Ritter for Chamber Ensemble)
- Artist
- Scott Joplin
- CopyrightID (CopyrightChains transaction hash)
0x12f76ca30d50cad84aa14c471cbf140c881c3f4e9d80ec49d883bee607286342
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ca4d6a9534f5a6b5ef0eb2a9d443bc8ac02f61612830a3921716e24b7b94abb1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18300745
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Harmony Club Waltz (Arr. J.S. Ritter for Chamber Ensemble) · Machine-readable JSON-LD