Requiem In F Minor: Agnus Dei (I)

Recording by Heinrich Ignaz Franz von Biber.

Recording identifiers

ISRC
DEN960400596
CopyrightID (CopyrightChains transaction hash)
0x8f80eb28eaf1fce58d6c7754157a608a9d83fcdfa6f01cfc798bb6cdb0286aec
Copyright registration time
2026-07-31T20:05:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:2d99b96fd501b227559c6b5256468344765815ad353eb4e08488b5b6574777a4

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.