Imagina

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPUI0700452
CopyrightID (CopyrightChains transaction hash)
0xb46532102dbb984c21990ccc698c8f4622efb1d87c042286024eb913e58aa83f
Copyright registration time
2026-06-24T14:39:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:32f65d4a7ba2218f734e2ddce38199db3a6e2ec20f46ef583e1369c6548416e2

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.