El Hijo del Ingeniero

Recording by Grupo Maximo Grado.

Recording identifiers

ISRC
US3DF1625605
CopyrightID (CopyrightChains transaction hash)
0xe663785a94bb28a84ff982a6d9dfc3b29a2f71df3b5d3a17a2adb394eb96c72a
Copyright registration time
2026-06-02T00:05:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:7b74d8833649ea120bdb6ab78bfd4279f470cd8932047b6558ae5a5506765b89

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.