ISRC USBC19901177
Verified recording
USBC19901177 is “Die Dreigroschenoper: Barbarasong” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xa0f4881a7073d27704c9fc42f3f4ce0cdd6de709d4d65daf532743ddd4477d93 and independently timestamped
in Bitcoin block 960200 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901177.
Recording identifiers
- ISRC
- USBC19901177
- Title
- Die Dreigroschenoper: Barbarasong
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xa0f4881a7073d27704c9fc42f3f4ce0cdd6de709d4d65daf532743ddd4477d93
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:37:10+00:00
- Bitcoin block
- 960200
- Canonical record hash
sha256:afa492cdf53cebf81db6f0013e07440cf08f6841955222455fd4338d2625cdc5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901177
- Bitcoin block existence check
- https://blockstream.info/api/block/960200
Full record
Track page: Die Dreigroschenoper: Barbarasong · Machine-readable JSON-LD