Le nozze di Figaro, K. 492, Act III: No. 18, Vedrò mentr'io sospiro

Recording identifiers

ISRC

DEF056830184

Release date of the album this recording appears on

1968-01-01

CopyrightID (CopyrightChains transaction hash)

0xbb2181107f648bba1f6a0a26a34646262b47d637dcb3abd3171e1617e82e67a0

Copyright registration time

2026-07-30T09:31:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T09:57:33Z

Bitcoin block

960240

Canonical record hash

sha256:72cfd211d7a3d082b85b191d0f657b38122f59a92d536286e455f1e3c045d4b9

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEF056830184

What this proof establishes

This recording was released in 1968, 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.