Abre a Porta / Boiada de 31

Recording by Alessandra Leão.

Recording identifiers

ISRC
BXRI51900012
CopyrightID (CopyrightChains transaction hash)
0x096c250d781443ba26d2c1f246491060e548594e3b4718a1cec4b605523fe214
Copyright registration time
2026-06-06T06:09:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:45b8f45737332f00c1695594877187b65c09f4733afbf725233e0e73114972e5

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.