The Grand Duke: Act I: Solo/Chorus: By the mystic regulation

Recording by Gilbert & Sullivan.

Recording identifiers

ISRC
USAB10611560
Release date of the album this recording appears on
2003-12-01
CopyrightID (CopyrightChains transaction hash)
0x52a330a39c4dbe4ac33dddef93114045bb9c4745ac50593134952672d3981ef2
Copyright registration time
2026-07-31T21:46:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:ef38cd4f91641bb787ce1fc93ae4e1d738b4bb91c577153a9a087385ee01e47d

What this proof establishes

This recording was released in 2003, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.