ISRC GBDGQ2538102

Verified recording

GBDGQ2538102 is “Little Threepenny Music: II. The Ballad of Mack the Knife” by Kurt Weill, registered on the CopyrightChains blockchain with CopyrightID 0xd405422b15f4b42f986e8b84da2d39170168ab4b87baae4468b8258c416c8c3e and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ2538102.

Recording identifiers

ISRC
GBDGQ2538102
Title
Little Threepenny Music: II. The Ballad of Mack the Knife
Artist
Kurt Weill
CopyrightID (CopyrightChains transaction hash)
0xd405422b15f4b42f986e8b84da2d39170168ab4b87baae4468b8258c416c8c3e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:54261a72c7a52fe94be8cf0ee5ffb6781ba1ce2c85ec086b2c42021e2b8ab527
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGQ2538102
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Little Threepenny Music: II. The Ballad of Mack the Knife · Machine-readable JSON-LD