Guerrero: O Virgo Benedicta

Recording by A5 Vocal Ensemble.

Recording identifiers

ISRC
ESA082200453
CopyrightID (CopyrightChains transaction hash)
0x2c2c4a8664c12c792cea0b5773b9619ae660ee93e05947ce323c751c6cb2a1f1
Copyright registration time
2026-06-25T23:49:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d0f835781769656dd2f40484f7ff025cf382aaade5726bc03a2c8a8ca4fde9f0

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.