ISRC DEF057500578

Verified recording

DEF057500578 is “Kleine Dreigroschenmusik: VIII. Dreigroschen-Finale” by Kurt Weill, registered on the CopyrightChains blockchain with CopyrightID 0x646b2ff2b12f35a869f068c642a60bc6cf19cd6eee4415c04f2f367a584d3b5b and independently timestamped in Bitcoin block 960478 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500578.

Recording identifiers

ISRC
DEF057500578
Title
Kleine Dreigroschenmusik: VIII. Dreigroschen-Finale
Artist
Kurt Weill
CopyrightID (CopyrightChains transaction hash)
0x646b2ff2b12f35a869f068c642a60bc6cf19cd6eee4415c04f2f367a584d3b5b

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38+00:00
Bitcoin block
960478
Canonical record hash
sha256:7a1c9e8c14d04b9650e66aee571cfa5eab47a498d10b523afcd8f0d63f00cecc
Verification API (seven-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500578
Bitcoin block existence check
https://blockstream.info/api/block/960478

Full record

Track page: Kleine Dreigroschenmusik: VIII. Dreigroschen-Finale · Machine-readable JSON-LD