Quomodo cantabimus

Recording by Francisco Guerrero.

Recording identifiers

ISRC
USCGH2560293
CopyrightID (CopyrightChains transaction hash)
0xd08cc7dcb392fa1250aa53cc3fd171feb33cb9e7c0ce2692ef4b0791061fafc7
Copyright registration time
2026-07-06T18:19:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:2c56c6540f8bfe8496b1ce71b16275018aba1325badcc83dec514ad84535a662

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.