ISRC USSM10007716
Verified recording
USSM10007716 is “Die Dreigroschenoper: Akt II, Pollys Abschiedslied ("Er kommt nicht wieder")” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0x2074a8edd8a887a1ac06e85b3ce407eb73a76b4601bf6734324b2a68dd043444 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007716.
Recording identifiers
- ISRC
- USSM10007716
- Title
- Die Dreigroschenoper: Akt II, Pollys Abschiedslied ("Er kommt nicht wieder")
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0x2074a8edd8a887a1ac06e85b3ce407eb73a76b4601bf6734324b2a68dd043444
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:2002a21da462b97dc35bb1c2e5436b4e62738eb40908630c2b45c0f4a402a249- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007716
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Die Dreigroschenoper: Akt II, Pollys Abschiedslied ("Er kommt nicht wieder") · Machine-readable JSON-LD