L'opera e pupe

Recording by Mario Trevi.

Recording identifiers

ISRC
FR6V82074228
CopyrightID (CopyrightChains transaction hash)
0xbf237c85e72a7d306ad4772a41f7eb87e42c3455d204d55989a70dd704965c6a
Copyright registration time
2026-07-07T15:23:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:be465c831966b66b24969f96cd29f92ac9e4f819202ac6e29b54c77a8f01a2af

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.