Requiem In F Minor: Dies irae

Recording by Heinrich Ignaz Franz von Biber.

Recording identifiers

ISRC
DEN960400593
CopyrightID (CopyrightChains transaction hash)
0x4b83dde1e73084c6c1fa8bfad87f1e50e2025922ff941fcd12b6fa8c2200a8d5
Copyright registration time
2026-07-31T04:24:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:b1265a51c481b986877c0c28bab5a5c88192cc868ff15cc880ce7fd0279148b5

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.