Madama Butterfly / Act 2: "Con amor muore...Tu, tu? Piccolo Iddio"

Recording identifiers

ISRC

GBF075840242

Release date of the album this recording appears on

1958-01-01

CopyrightID (CopyrightChains transaction hash)

0x2f4082b91ed438856ee44bf88591b7ce64294f17ce3c8391344f645114335dd7

Copyright registration time

2026-07-31T07:12:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T08:38:45Z

Bitcoin block

960370

Canonical record hash

sha256:cd6a2d1dcfa5d95bc75ca3a408030e4e304dcc166d1f5245b1d96cfc146ce452

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBF075840242

What this proof establishes

This recording was released in 1958, 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.