Madama Butterfly, Act II: Una nave da guerra – Scuoti quelle fronda – Or vienmi ad adornar

Recording identifiers

ISRC

GBF077414590

Release date of the album this recording appears on

1974-01-01

CopyrightID (CopyrightChains transaction hash)

0x6c83a34972bcddd08f39fcd52f4e85de5d6cc41ddf1ebf544b4193da13920ab6

Copyright registration time

2026-07-07T16:57:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:8577951bd470adecc5f5befcddd97e6e26656368f2c83d71530eb985ca2a66ff

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBF077414590

What this proof establishes

This recording was released in 1974, 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.