A Mais Disputada

Recording by Marília Mendonça.

Recording identifiers

ISRC
BRWNV2100081
CopyrightID (CopyrightChains transaction hash)
0xe108cb121e8232bcf791995c10afe7dcc9cb1866957c12b2ee1bb8827272f89f
Copyright registration time
2026-06-08T03:14:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:fd769f958310f439127747d616f2dc52d4e90cc3880a5f6ba8e0af68a699b3c3

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.