Difícil

Recording by Meireles.

Recording identifiers

ISRC
NL4CP2509278
CopyrightID (CopyrightChains transaction hash)
0x19e95b47f287a84b197585541efd0b25dde4c5256a5a7870d41cc279b2e2b7d8
Copyright registration time
2026-06-27T20:14:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e67b95ba79dacae607d85974d91155bbed58a1ccd28895bc384eb63890563d22

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.