Requiem KV 626: Dies Irae

Recording by Nicol Matt.

Recording identifiers

ISRC
NLN580547952
CopyrightID (CopyrightChains transaction hash)
0x2916bda625171fc49d11f1f643dab8990fb7f9311f76aa1ea6f3044ee1af775d
Copyright registration time
2026-07-31T16:55:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:d64d6bcca2df9d0df139feef871964138a4b6641c543b17961c202854f1b7613

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.