Donna

Recording by Quartetto Cetra.

Recording identifiers

ISRC
IT8006307050
CopyrightID (CopyrightChains transaction hash)
0x7324eb4b97650323ee56cd32a65ded15c7002680df54dcf2ecaea295a5d8fd89
Copyright registration time
2026-07-30T22:08:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:d24e3f897a6fcb0bbfe475b2ac450bce475f6a426ca04c998bdb90eb9dc54df2

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.