Messe pour double choeur: Kyrie

Recording by Frank Martin.

Recording identifiers

ISRC
QM7281450629
CopyrightID (CopyrightChains transaction hash)
0x319d4f5f03c80a9d9d93e14be77d9ff822e3c492967266007001f318a54b1e5a
Copyright registration time
2026-07-07T06:05:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c5fd5303750f12e50bc5d3c1c814287ee92f32876fa6467fd49db0e95be566af

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.