Tenebrae factae sunt

Recording by Tomás Luis de Victoria.

Recording identifiers

ISRC
ES7890500230
CopyrightID (CopyrightChains transaction hash)
0xfe53e381426f883fec4a0be87d65daf90cb1e0e1b7269ad45596a0587bb34749
Copyright registration time
2026-07-06T23:46:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a7c676403e010f246dfee646f9714ffca7c8156f4c12e5720512fb51378ed960

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.