Leve

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPUI0700463
CopyrightID (CopyrightChains transaction hash)
0xd565f0109268ca87d73d567146a77c7bae424806cb5e610355ef32589c011e96
Copyright registration time
2026-06-24T16:51:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:eaf4b7126d8d0e45e5cba164c992fe3c1f95fe5391f5f2492a4d0e93eb127bd2

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.