Sobre as Coisas Mais Difíceis

Recording by Vanessa Da Mata.

Recording identifiers

ISRC
BXVS02500011
CopyrightID (CopyrightChains transaction hash)
0xc0f42873b610f8d75ff18b45eee445b4cb3a6f4b2b7c0b946bbe4df73e1d352f
Copyright registration time
2026-06-08T09:47:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8342e21ae6005b6df0f9b329e17ba617dfeddf2338e677b06be50775fa736419

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.