Così fan tutte / Act 1: "Al fato dan legge" - "La commedia è graziosa"

Recording identifiers

ISRC

NLA507400546

Release date of the album this recording appears on

1974-01-01

CopyrightID (CopyrightChains transaction hash)

0x6e89f5af8845ab2dd7bbe2fc2fc3a21a8aa18af959d38a80f8ab21f41b0ed34e

Copyright registration time

2026-07-07T18:55:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:ecd7ac47440568e7ce14e9ba801fb6c77fb878637da286129b8b07330104a958

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC NLA507400546

What this proof establishes

This recording was released in 1974, 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.