Olê, Olá

Recording by Chico Buarque.

Recording identifiers

ISRC
BRSME0000330
CopyrightID (CopyrightChains transaction hash)
0xc44a1ce7c2de30e3705a5ac76cd3314392cbde94bd5003f12db6b44913114d47
Copyright registration time
2026-07-07T06:48:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:42cf87928bf79cde91a43526b06559c800586d9406b8a5a6d8b0125d5f386863

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.