Donna

Recording by Quartetto Cetra.

Recording identifiers

ISRC
IT8006307050
CopyrightID (CopyrightChains transaction hash)
0x7324eb4b97650323ee56cd32a65ded15c7002680df54dcf2ecaea295a5d8fd89

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:cd7434c62f753051731604a50f38f28aa1a457ae9cbf0c6d64967f97292003c8

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.