Que Será (O Que Será) (À Flor Da Terra)

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPGD8200009
CopyrightID (CopyrightChains transaction hash)
0x346e528ae4043aab00a619cab9cdd1d21c6b2a9a79227c7d7d0aa7f336a24ec7
Copyright registration time
2026-06-08T12:44:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:35265e43c5d51f5a920083643abdd9566c4c619667a8a121cbec5ff2aa5ed373

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.