ISRC USSM10007707
Verified recording
USSM10007707 is “Die Dreigroschenoper: Akt I, Die Moritat von Mackie Messer ("Und der Haifisch, der hat Zähne")” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0x83e8f30955d46151d726c72b6967d6cfb55931fb21caf64cd5118e6b15024f18 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007707.
Recording identifiers
- ISRC
- USSM10007707
- Title
- Die Dreigroschenoper: Akt I, Die Moritat von Mackie Messer ("Und der Haifisch, der hat Zähne")
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0x83e8f30955d46151d726c72b6967d6cfb55931fb21caf64cd5118e6b15024f18
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:5000b69f4d75951c179d34105b0d7f0e3f64efa53585a97fce03524eba4313c6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007707
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Die Dreigroschenoper: Akt I, Die Moritat von Mackie Messer ("Und der Haifisch, der hat Zähne") · Machine-readable JSON-LD