Rossini: Il barbiere di Siviglia, Act 1: "Largo al factotum" (Figaro)

Recording identifiers

ISRC

GBAYC1400495

Release date of the album this recording appears on

1958

CopyrightID (CopyrightChains transaction hash)

0xd198e86751eac459e4744a08ac078bf166bd262dea7f3da65f122f02d86e1867

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T19:35:34Z

Bitcoin block

960138

Canonical record hash

sha256:dcd080b8efb7bdc8adf5e195f0d2815b952be2bc8ac631330c51b5c27cf47a21

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBAYC1400495

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.