Olê, Olá

Recording by Chico Buarque.

Recording identifiers

ISRC
BRSGL6600010
CopyrightID (CopyrightChains transaction hash)
0xda630cb4309b41058eda019df43d0fc862f7f1dbafad8278a40dab95c0eb201c
Copyright registration time
2026-06-07T01:09:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f47b0682a78eac2267903b0f9da0fbe52003007aab3bacd9587642f84117a016

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.