ISRC USSM10007720
Verified recording
USSM10007720 is “Die Dreigroschenoper: Akt II, Die Zuhälterballade ("In einer Zeit, die nun vergangen ist")” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xf85678d656047490ec25d749fd27db56bdb89303028268d4fd01932c8ad3619a 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/USSM10007720.
Recording identifiers
- ISRC
- USSM10007720
- Title
- Die Dreigroschenoper: Akt II, Die Zuhälterballade ("In einer Zeit, die nun vergangen ist")
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xf85678d656047490ec25d749fd27db56bdb89303028268d4fd01932c8ad3619a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:af282175c56e587f30e2e381849d02393a9db95d8215f1aa4349b770da386cd8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007720
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Die Dreigroschenoper: Akt II, Die Zuhälterballade ("In einer Zeit, die nun vergangen ist") · Machine-readable JSON-LD