Maracatu do Congo

Recording by Ubiratan Marques.

Recording identifiers

ISRC
BXQQ32000021
CopyrightID (CopyrightChains transaction hash)
0xadc2bee21addf96651155fa58760f77f3504244d13ff71491cbbec65ad193c7a
Copyright registration time
2026-06-10T21:56:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:335419ad992ed074b4fbc099eeec7b71f8debe0ae3c6c32172205a1a26e3b12e

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.