Officium Defunctorum: Absolutio. Libera me

Recording by Tomás Luis de Victoria.

Recording identifiers

ISRC
BER181100510
CopyrightID (CopyrightChains transaction hash)
0x49e84b1c832fb490a0803f765a312fcd64840c91d2ccfe347b38cfc1b73dcaff
Copyright registration time
2026-07-30T07:18:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:0c0f22cfd9120693d2fe81dfa6ad14fef00b4c516ab44eb97559c0db5b2c021e

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.