Ritmo e União

Recording by Hamilton De Holanda.

Recording identifiers

ISRC
BR56L2100004
CopyrightID (CopyrightChains transaction hash)
0x95b9040cbace4b8b7ec511aa79bc3151055c4fe5cd66996838000f7c85e52e8e
Copyright registration time
2026-07-29T18:00:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:0a5c3e08d050774d6d1a46f54380bc0e2a4d4c07158e274a51b6ea37aa3383df

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.