Passacaglia à 4

Recording by Biagio Marini.

Recording identifiers

ISRC
CH4211800016
CopyrightID (CopyrightChains transaction hash)
0xb07116d614e03efb9dd77e03543086264f170fdb7a03809fd33abba346350502
Copyright registration time
2026-06-24T11:02:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5fcb245d304aba68cf9d71e73c87ef625566c32ad5a66801697ce21210de3912

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.