A Cara do Brasil

Recording by Moacyr Luz e Samba do Trabalhador.

Recording identifiers

ISRC
BRPUI1900353
CopyrightID (CopyrightChains transaction hash)
0xfc2fe9e02a88a135b7d210b800b6ed3665345c59aaa680ed72c630c3b2a48c3c
Copyright registration time
2026-06-20T06:45:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d803b9b471517aabf137ebd20dac701f963d1e85a37df202d8026a74728a7fd3

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.