Puccini: Madama Butterfly, Act 1: "L'Imperial Commissario" (Goro, Pinkerton, Butterfly, Una cugina, Madre di Butterfly, Sharpless, Yakusidé, La Zia, Chorus)

Recording identifiers

ISRC

GBAYC0802902

Release date of the album this recording appears on

2009-02-27

CopyrightID (CopyrightChains transaction hash)

0x7cb4598d55aa995c065ab682deab58c82198311fa83262f1fe8617a437967337

Copyright registration time

2026-07-06T09:35:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T16:07:00Z

Bitcoin block

957061

Canonical record hash

sha256:9c03c65eb18273b7f86e6097cdc4528bc45c89dc84893b4618399cd9a9016711

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBAYC0802902

What this proof establishes

This recording was released in 2009, 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.