El Tren del Olvido

Recording by Sonido Profesional.

Recording identifiers

ISRC
UYM121200075
CopyrightID (CopyrightChains transaction hash)
0xca83c17dce79ba28bda72b2d4e26e40dbb9b08b6e2be97f7e59fb5b6a6dda4f0
Copyright registration time
2026-07-31T17:10:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:f0bfc259d7f13d07e0c9d696c5126055742e4a47eea264825d469c9e6870f18d

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.