Dois de fevereiro / Trezentos e sessenta e cinco igrejas

Recording by Nana Caymmi.

Recording identifiers

ISRC
BRWMB0400049
CopyrightID (CopyrightChains transaction hash)
0x5bfac859c2b6d447e171d54e42c833f1fab29b50934cee570f47d1db529917da
Copyright registration time
2026-07-07T00:46:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cdb17b8cd64488e092626761c1460255e99a567005362d03258da40c7cbdaf69

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.