ISRC USBC19901179
Verified recording
USBC19901179 is “Die Dreigroschenoper: Melodram / Pollys Lied” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0xb5a78546e1d0e8a6d4f49a16b9b6a48139453fc8dd0fac00f389bdb6a0cc28e3 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901179.
Recording identifiers
- ISRC
- USBC19901179
- Title
- Die Dreigroschenoper: Melodram / Pollys Lied
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0xb5a78546e1d0e8a6d4f49a16b9b6a48139453fc8dd0fac00f389bdb6a0cc28e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:7226b962d7ec756e27bbf7957424f70be4f9e244bd84aa1b24e6706cc8fc09fe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901179
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Die Dreigroschenoper: Melodram / Pollys Lied · Machine-readable JSON-LD