O Ópio e a Cicatriz

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BR9461700001
CopyrightID (CopyrightChains transaction hash)
0x2ec179165504f92ea52387073ee2e447cfc1b98411e2736af28f4995244f745d
Copyright registration time
2026-06-06T20:06:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:faa1dc6f1aba03d0c1ab0973f33a2656f07a22f14043fa54a0dc4545c682f228

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.