O Menino

Recording by Gal Costa.

Recording identifiers

ISRC
BRUM71101154
CopyrightID (CopyrightChains transaction hash)
0xc9e808a48e11fc03772e62827c845045b6b735c88cdf3e39ba9a78c828c255a4
Copyright registration time
2026-06-26T09:39:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b52832fe07ed9e73cc0f8320bea5497172201df8d31fdff90e5ac53cbc21b732

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.