Cai de Boca

Recording by André Albernaz.

Recording identifiers

ISRC
BKTCP2500009
CopyrightID (CopyrightChains transaction hash)
0x249e42412c4e892d462a93a2535d45c3e7ff191453c1f492f8340e8cc1d4f581
Copyright registration time
2026-07-30T19:39:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:09:33Z
Bitcoin block
960302
Canonical record hash
sha256:eb23be05aa1a9b5db3a624b67dd9188f7bcf17273440ea7a7ca73033038b9a4d

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.