Até O Fim

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPGD7800019
CopyrightID (CopyrightChains transaction hash)
0x9e37dc807ef06df39a7416bd686512dcdd8f0732d1667c070a2427acca35a62d
Copyright registration time
2026-06-21T02:53:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7b081e7095d211a4da256131394a264268eeb83419777a86c3d95c50c43a781f

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.