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
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:61cdb73ec3f63325ff2942b149fde5e7a236834e271651eea90b26dd06a4c0cc

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.