Difícil

Recording by Marina Lima.

Recording identifiers

ISRC
BRFUL0600001
CopyrightID (CopyrightChains transaction hash)
0x22b7f162d007a78cf24dd42b3a17836b033b18c7e821e520faf434ebc5e063f5
Copyright registration time
2026-06-10T07:00:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ce99522b515770a712350b512210cd9afe7d6b8b07552fcfe2d2aa588edfccaf

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.