Velho Francisco - Ao Vivo

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPUI1200084
CopyrightID (CopyrightChains transaction hash)
0xe8e5545774b6ca54a9fb3b34e893e8183fdf626421a8b72f2e64dbfa881c0fd0
Copyright registration time
2026-06-18T17:12:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:04cba2ba5eb81437907c881a9c6112240d3ac08ea80fd93f482a78706e652a10

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.