The Mikado / Act 2: 24. Here's a how-de-do!

Recording by Arthur Sullivan.

Recording identifiers

ISRC
GBF077340125
CopyrightID (CopyrightChains transaction hash)
0x3f8388ad84a76f288b1020a55624ea21c0db5ba51c914164df03811545cb45ac
Copyright registration time
2026-06-24T16:07:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dfaf856e32a094594f3c04e368fdfe732d5c600817f858c90fdea89d13d5d147

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.