Tua Cantiga - Ao Vivo

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPUI1800367
CopyrightID (CopyrightChains transaction hash)
0x7bc34b10c03bb73428c4adf47b818ad53237de163c7e147aee1c9c65deea53e5
Copyright registration time
2026-06-21T04:11:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9b129b4863adf1677b9d26126948e3e80febd8d3af9bd5ae4a0e7ba085f47202

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.