Missa Super flumina Babylonis: Kyrie

Recording by Francisco Guerrero.

Recording identifiers

ISRC
ES7890700704
CopyrightID (CopyrightChains transaction hash)
0x5fb46aded3fe381b5ac05ea550510b05a2e94bab1f2b4cb21ebf5a17edf91534
Copyright registration time
2026-07-06T23:03:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:88fcb9f40dc27f666598ad7e95b1a0af85079f737ba720309bbbb577c2bdce37

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.