Francisco

Recording by Diego Verdaguer.

Recording identifiers

ISRC
MX1081500370
CopyrightID (CopyrightChains transaction hash)
0xf594e9dae26408a71118c428858dda589366b92379311e061fb5c20bac799a03
Copyright registration time
2026-07-07T17:28:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a6e475fac286254ade4ca0fa9e83d0d0c4874b48fd17b6958221a31bfc23209e

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.