Tenebrae factae sunt

Recording by Tomás Luis de Victoria.

Recording identifiers

ISRC
USKC60712990
CopyrightID (CopyrightChains transaction hash)
0x70619ded1fc5099697bd297baf4afdf323b10ef740277d456b133f66b7f77b15
Copyright registration time
2026-06-21T05:08:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:eb7752f690960cd2e73dd35998722fd787ccd11ad328395680a679057f3b43a9

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.