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
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:df775d9fafdb560bed66a6d596ff719e9f59edf4265f8a89b3d06802e8142708

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.