Der Silbersee: Lied des Lotteriagenten (Was zahlen Sie?)

Recording by Kurt Weill.

Recording identifiers

ISRC
GBF078810113
CopyrightID (CopyrightChains transaction hash)
0x9d4e8192e9a948b20fa4baac2342661c818e02c196058d907fbc82c206ce1a3b
Copyright registration time
2026-07-30T12:59:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:e9f34879e552568b1c70a11b21e7a80af4b70b2bcb2543993827fb1b06841b05

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.