ISRC USSM10007710
Verified recording
USSM10007710 is “Die Dreigroschenoper: Akt I, Hochzeitslied für ärmere Leute ("Bill Lawgen und Mary Syer")” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xcd4b54c3cdabc2a6bc1b75b32f7497ff3da9b87bf6fe1cfea538aeb680adc365 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/USSM10007710.
Recording identifiers
- ISRC
- USSM10007710
- Title
- Die Dreigroschenoper: Akt I, Hochzeitslied für ärmere Leute ("Bill Lawgen und Mary Syer")
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xcd4b54c3cdabc2a6bc1b75b32f7497ff3da9b87bf6fe1cfea538aeb680adc365
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f542507f2ff22551e5f52e08133cf5fbb8960ab1ec3c6fe7b2947938430a6ea8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007710
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Die Dreigroschenoper: Akt I, Hochzeitslied für ärmere Leute ("Bill Lawgen und Mary Syer") · Machine-readable JSON-LD