Por Borracha

Recording by Orlando Contreras.

Recording identifiers

ISRC
MX2620282591
CopyrightID (CopyrightChains transaction hash)
0xe367a3ab3a80e100b6a4cdf4811c33b7685059487330fd881dd7407badeac3da
Copyright registration time
2026-07-31T11:38:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:3a1a72f800415fa6dc8f342e5da81dc6dcaef936961b4f979ffc05fa26855dca

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.