ISRC USB8U1519684
Verified recording
USB8U1519684 is “Die Dreigroschenoper (The Threepenny Opera): Act II: Ballade uber die Frage, "Wovon lebt der Mensch"” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0x27b35730a24593da64e43e31602828d5e72be585c08308073ffd9efebcb3753f 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/USB8U1519684.
Recording identifiers
- ISRC
- USB8U1519684
- Title
- Die Dreigroschenoper (The Threepenny Opera): Act II: Ballade uber die Frage, "Wovon lebt der Mensch"
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0x27b35730a24593da64e43e31602828d5e72be585c08308073ffd9efebcb3753f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d9add2bb7fec8982968165b552dffec0fbd8820377727fb416df394c07318be6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1519684
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die Dreigroschenoper (The Threepenny Opera): Act II: Ballade uber die Frage, "Wovon lebt der Mensch" · Machine-readable JSON-LD