Oxaguiã

Recording by Léa Freire.

Recording identifiers

ISRC
BRTAC0400021
CopyrightID (CopyrightChains transaction hash)
0xbade36a6b76809a4cd5896816caab797ae1d607108c112594c907450c2e6d6e3
Copyright registration time
2026-07-31T15:55:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:07:24Z
Bitcoin block
960429
Canonical record hash
sha256:f276eb283ca070c73079a5f0b856edc6128f112286851ed26d59771ef35d7869

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.