O crux benedicta

Recording by Francisco Guerrero.

Recording identifiers

ISRC
MX2831000362
CopyrightID (CopyrightChains transaction hash)
0x053b890e5d3485c66afb4475795f2d521f6c277941a90ca7eb0c81679565f8e5
Copyright registration time
2026-07-07T08:22:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cf7e184f7d7443469e877186daca55a4e29cc7c7ad362ab95460605297d52401

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.