Difícil

Recording by Daniel Luna.

Recording identifiers

ISRC
MXF160300943
CopyrightID (CopyrightChains transaction hash)
0xb420ce14543e10ddec97085b80b8ab16caa5667ca29b8a0c436b8c222736c3c9
Copyright registration time
2026-07-29T15:55:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:3d77943af7ddeebb512301f4ef6ffb37b3a265a80248dd8c26adabfd27d6fdd7

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.