Mass for Double Choir: Agnus Dei

Recording by Frank Martin.

Recording identifiers

ISRC
GBEJP2118611
CopyrightID (CopyrightChains transaction hash)
0x54710f681a6827be1fff1e14998ff16a17b4ec9377114db9c8e98ef53496fe74
Copyright registration time
2026-07-07T11:14:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:80a4d47231ebe210b705db035b3fdf13a13781d28321034e83f0615cebc188b6

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.