A Matter of Trust

Recording by Brazil XXI.

Recording identifiers

ISRC
ARF412000014
CopyrightID (CopyrightChains transaction hash)
0x599c15eeb2b12690374b94f31c7c87b702caa3cd91e69e28e0f2012fee064d9b
Copyright registration time
2026-06-05T12:07:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:88dd5344ac4c22fe48cdf55c48a645186c307201a5c8895bce6df7360b495940

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.