O Que É, O Que É

Recording by Ana Costa.

Recording identifiers

ISRC
BRORO1200015
CopyrightID (CopyrightChains transaction hash)
0x1ef14bc0349a2749eb96767391c3272aea3a79657bc2f428ff28eef0cfd4d17f
Copyright registration time
2026-06-06T12:33:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:62c0008265b21038e56d7d1ef5c13d04f54d1d39054125cb9b52d1e3b4b52c07

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.