ISRC USSM10007727
Verified recording
USSM10007727 is “Die Dreigroschenoper: Akt III, Ruf aus der Gruft ("Nun hört die Stimme, die um Mitleid ruft")” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xe4975f6c1cfc0d4a69312fa8cbb45b1eac779bdf1a19dd4e6ecba150c1a39435 and independently timestamped
in Bitcoin block 959107 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007727.
Recording identifiers
- ISRC
- USSM10007727
- Title
- Die Dreigroschenoper: Akt III, Ruf aus der Gruft ("Nun hört die Stimme, die um Mitleid ruft")
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xe4975f6c1cfc0d4a69312fa8cbb45b1eac779bdf1a19dd4e6ecba150c1a39435
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T07:19:23+00:00
- Bitcoin block
- 959107
- Canonical record hash
sha256:ec4133d256dd2cab1a2020457dd24915345ed264ed939c1f10a553f67b8096b5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007727
- Bitcoin block existence check
- https://blockstream.info/api/block/959107
Full record
Track page: Die Dreigroschenoper: Akt III, Ruf aus der Gruft ("Nun hört die Stimme, die um Mitleid ruft") · Machine-readable JSON-LD