Rossini: Il barbiere di Siviglia, Act 2: "Ah, disgraziati noi!" (Figaro, Conte, Rosina, Basilio, Bartolo, Coro)

Recording identifiers

ISRC

GBAYC1400531

Release date of the album this recording appears on

1958

CopyrightID (CopyrightChains transaction hash)

0x91c143b8ea2944c55a51e79ec85a46ffe727baa5a5e855ae91fe49fb0670b531

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T03:41:24Z

Bitcoin block

960503

Canonical record hash

sha256:81f789e77e3a74424eee4d72eab2cd973a78dd14e69c9587160caa67a2dced0a

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBAYC1400531

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.