Sabado Em Copacabana / Duas Contas

Recording by Lucio Alves.

Recording identifiers

ISRC
BREMI7800601
CopyrightID (CopyrightChains transaction hash)
0x1609fe1cc06adbdc07da431d699693dcbd3edf2e843614abf0ad7226ebd16be3
Copyright registration time
2026-07-07T00:03:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7c9baf8246976365d3cfdf2e2abd7662218ddf324efed23152d755346714b637

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.