Boca a Boca

Recording by Nilze Carvalho.

Recording identifiers

ISRC
BRPUI2400154
CopyrightID (CopyrightChains transaction hash)
0x1da1d70bc0a359d63181a241dce7496f2bc3ce83ae94e0beedc44dc10bc2803f
Copyright registration time
2026-07-07T18:35:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:855b670b714478f512295ce503195a2fedfdcc7d36b3f09e9d2d759742cdb5c2

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.