The Marriage of Figaro, K. 492: Act I. - Overture

Recording identifiers

ISRC

GBG3H1500118

Release date of the album this recording appears on

2015-03-02

CopyrightID (CopyrightChains transaction hash)

0xa0aad3e8049bf29b41408aa75c6a02a2510a019f38758b39c5232610751c2845

Copyright registration time

2026-06-08T21:02:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:53:27Z

Bitcoin block

957124

Canonical record hash

sha256:b4fecf428b977a889c519848c2e4f732928a57640f2a5816b907117b7f7037cd

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBG3H1500118

What this proof establishes

This recording was released in 2015, 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.