ISRC USSM15500057
Verified recording
USSM15500057 is “Happy End: Surabaya-Johnny” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xc299f8f38f5aabce62d2443f1af33002a8949917c423216d7465970280ba9355 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15500057.
Recording identifiers
- ISRC
- USSM15500057
- Title
- Happy End: Surabaya-Johnny
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xc299f8f38f5aabce62d2443f1af33002a8949917c423216d7465970280ba9355
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:5f68c21457ad6aef4a03a01230bc1a6f46b49ae71a336b6d89ad1fc8af114178- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15500057
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Happy End: Surabaya-Johnny · Machine-readable JSON-LD