Verso e Frente

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BR9461800008
CopyrightID (CopyrightChains transaction hash)
0xb3b96a996de4a8bd70abe0f8e96d9e50a4252adf773c50cd4a5b40272235e38a
Copyright registration time
2026-06-10T08:56:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c514f7772ec659cbd3fa68bc05c633d8a67b9b63879b210e20981a10bf95dc1e

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.