Basta Um Dia

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPGD7600077
CopyrightID (CopyrightChains transaction hash)
0x9ffd27b7a3e0395a633f745ef6b77012a99178ba084de3afb828be9dd5a4fbc7
Copyright registration time
2026-06-08T12:43:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:63e0c5916d61c9419ef4f301a3cd7233c7b6238ef2c3f46cc28e0164523f8b29

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.