A Volta Do Malandro

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPGD8500004
CopyrightID (CopyrightChains transaction hash)
0x4ba1b457472b37953c3325ea36200c8167b244a4de96a1affe21aef426014f60
Copyright registration time
2026-06-09T08:25:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3fafba766d30187995cb8736354eef5dfa7785c5f9807d8e2fa6e98f32158b1c

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.