Malandrinha

Recording by Márcia Castro.

Recording identifiers

ISRC
BXXIP2100012
CopyrightID (CopyrightChains transaction hash)
0xa41d7b213ea6b8a8054a1430c554a2967d147b83063c9c420521776220eee263
Copyright registration time
2026-06-07T21:57:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:24704980fbf234016cadee0c41fd1c0c27aa77f4f12dc7d972e170c4d23c4729

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.