Difícil Demais

Recording by Virgul.

Recording identifiers

ISRC
PT3CB1900003
CopyrightID (CopyrightChains transaction hash)
0x144f1cff4927f62131be6ae7297f3da2ba13600f298a51276ed1bc4eec0427ec
Copyright registration time
2026-06-20T11:55:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2e551f8b78aa4e694589bf946ce19ce1adba1c33cfc20dd3bac17703b7d3bde0

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.