The Mikado, Act 1 No. 10: I Am So Proud

Recording by Arthur Sullivan.

Recording identifiers

ISRC
GBAVQ1700047
CopyrightID (CopyrightChains transaction hash)
0x00523340bbd7945692fb5815302696855017f7eb813d513463f3a94bd45b75c9
Copyright registration time
2026-07-07T19:42:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:3ab43d6f92663155278eb184e8e23e27c4781bf0b6e95765467c7c46859449a3

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.