A Matter of Trust

Recording by Brazil XXI.

Recording identifiers

ISRC
ARF412000033
CopyrightID (CopyrightChains transaction hash)
0xd321018e7ab288cfa3b388317b992c8f601df7334ed12c7a09de18bd02a596c3
Copyright registration time
2026-06-08T21:38:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0e7856d45d91d4e741bc0fcc6247e2033638c3878a469ef16ed09a045b70bc08

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.