Un Cajón para Dos

Recording by Los Romanticos de Zacatecas.

Recording identifiers

ISRC
US7VG1611693
CopyrightID (CopyrightChains transaction hash)
0x8cf8519ecd03404f7858082d55640572c5d7c8cb1d984304a51408183cff9c9c
Copyright registration time
2026-06-24T14:41:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:49d59fdafd3e1ca2e8cfa4d8be54b884e5db2c625f12beabd405d85c57df616c

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.