Como 2 e 2

Recording by Arnaldo Antunes.

Recording identifiers

ISRC
BRRC72100009
CopyrightID (CopyrightChains transaction hash)
0xa18bc8385aa51765aebc2d7be525549802b6928f56ab213f3224b427b0f74dfb
Copyright registration time
2026-06-21T03:25:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c86c0b507dec376b42bfd6141b31355d205e7e83bfdbdc1a5fd9264ab73c7206

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.