Concerto À 4 Parties In A Minor: 1. Allegro

Recording by Michel Blavet.

Recording identifiers

ISRC
DEF058203761
CopyrightID (CopyrightChains transaction hash)
0x5a07f85d0d3ba642f55e75f93def5306e8febb5b3735ba79b09fbe344f8312cc
Copyright registration time
2026-06-23T10:58:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4f577a085627a5c5df8121cf2a5d303a1e70c88e9d2c71cac035ba6ef485315f

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.