Quem Dera

Recording by Arlindo Cruz & Sombrinha.

Recording identifiers

ISRC
BRVLS9600692
CopyrightID (CopyrightChains transaction hash)
0x0e0d28569771322953caef5a2f69d1d39f19a65efe68ac6c9f956d5a0b58f6df
Copyright registration time
2026-06-21T18:38:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:42a9984707b34b012a402e5ab6c0f527b75d165b88624a9d7b1ed5ccf4014523

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.