Nós Dois

Recording by Mariene De Castro.

Recording identifiers

ISRC
BRUM71400063
CopyrightID (CopyrightChains transaction hash)
0x8910b62ae0d5db4e932d995f0dfc1c886f888a600df7239e716052d315172e08
Copyright registration time
2026-06-21T17:25:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f06fd594d91c277927340586d10048633956f78b87e268759714d66bc00323c0

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.