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Recording by Chico Buarque.

Recording identifiers

ISRC
BRPGD8000011
CopyrightID (CopyrightChains transaction hash)
0x9ad2659fbe4b5ea2f1d2ae6b4cf5bd0600e10beaf9eb6de12e9a2eed2bdbbdef
Copyright registration time
2026-06-06T05:00:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:a7535e194c980965761c4764f593e72e60e0aa246542f5de68f73332a0467a22

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.