Fun at the Ritz

Recording by Gerhard Groitzsch.

Recording identifiers

ISRC
QMGXA1418557
CopyrightID (CopyrightChains transaction hash)
0x4829c213d96041138522040bc2c91b11e80ea0428e72cfe97a8f07a8280d3522
Copyright registration time
2026-06-24T15:57:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a44c59b4b26ba0a6594622316b3c14b0902fdff1d24720eda0a2e7fb793ca1b3

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.