Violini e violinaccio

Recording by Piero Umiliani.

Recording identifiers

ISRC
ITC002300236
CopyrightID (CopyrightChains transaction hash)
0x9f7dd105f1648c65e87804eb095517bbe75ef277c099e5a2c043e75cb323c09d
Copyright registration time
2026-06-27T09:18:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9a70278084b2fd1b474fce6466126a123c5206f3cc85a78df68d48b272589cbc

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.