ISRC DEF057500577

Verified recording

DEF057500577 is “Kleine Dreigroschenmusik: VII. Kanonen-Song. Charleston-Tempo” by Kurt Weill, registered on the CopyrightChains blockchain with CopyrightID 0xbb80800f2e5c97dad837f2667c49959b91124afc5508115feea4900561b26776 and independently timestamped in Bitcoin block 960418 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500577.

Recording identifiers

ISRC
DEF057500577
Title
Kleine Dreigroschenmusik: VII. Kanonen-Song. Charleston-Tempo
Artist
Kurt Weill
CopyrightID (CopyrightChains transaction hash)
0xbb80800f2e5c97dad837f2667c49959b91124afc5508115feea4900561b26776

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15+00:00
Bitcoin block
960418
Canonical record hash
sha256:867b1589832656d8ccfc12b984589dabc889de86da04dc4b2798fb059c7c6681
Verification API (seven-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500577
Bitcoin block existence check
https://blockstream.info/api/block/960418

Full record

Track page: Kleine Dreigroschenmusik: VII. Kanonen-Song. Charleston-Tempo · Machine-readable JSON-LD