Così fan tutte, K. 588: Act 1: "O Ciel! Mirate"

Recording identifiers

ISRC

FRZ149813200

Release date of the album this recording appears on

1999

CopyrightID (CopyrightChains transaction hash)

0x47ac523a9d30a77eea04bbc876f778c9e6f118c73c5666f7fc6bd1b0b5b0a422

Copyright registration time

2026-07-30T00:58:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T01:10:20Z

Bitcoin block

960183

Canonical record hash

sha256:255c90c557205e9330f63cd6a05230cfd922e489d339f20bf1f2f5f8871ed5f3

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC FRZ149813200

What this proof establishes

This recording was released in 1999, 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.