Guerrero: Ductus est Iesus II

Recording by A5 Vocal Ensemble.

Recording identifiers

ISRC
ESA082200450
CopyrightID (CopyrightChains transaction hash)
0xd30a89713b09940fe7679279ef9eb0e4e1c1ac441d40940bbe65620974ddcddd
Copyright registration time
2026-07-06T20:46:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6cc9f44fe3cd9edffd5b0f00ea7a575e4d9dd945d818407402744fb56d7907c3

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.