ISRC USSM10007721
Verified recording
USSM10007721 is “Die Dreigroschenoper: Akt II, Die Ballade vom angenehmen Leben ("Da preist man nun das Leben großer Geister")” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0x9fe35643a516609a7591023b8338d49ac8b2d3a3f025b2de1a10438dacb97539 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007721.
Recording identifiers
- ISRC
- USSM10007721
- Title
- Die Dreigroschenoper: Akt II, Die Ballade vom angenehmen Leben ("Da preist man nun das Leben großer Geister")
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0x9fe35643a516609a7591023b8338d49ac8b2d3a3f025b2de1a10438dacb97539
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a84daa5ccbb2407688eadc3341630659de1d3e83d7b9494286fd2edf9fdacfae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007721
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Die Dreigroschenoper: Akt II, Die Ballade vom angenehmen Leben ("Da preist man nun das Leben großer Geister") · Machine-readable JSON-LD