Uma Menina

Recording by Chico Buarque.

Recording identifiers

ISRC
BRBMG8700337
CopyrightID (CopyrightChains transaction hash)
0x3f6ceff525f95ffa6574b75c4777d24f399a01e56e7668d0b3608120c11c13f1
Copyright registration time
2026-06-25T22:19:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b05eb4c665c226698139cfe9e1167a1c81e5af44d977e73be2baeb31accfe0f5

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.