Sem ataque e sem defesa

Recording by Sombrinha.

Recording identifiers

ISRC
BR03D2300637
CopyrightID (CopyrightChains transaction hash)
0xdf3580c6a0179f9ad7a4ed1f488030ffe89962b60decd597917b29232221e745
Copyright registration time
2026-06-22T08:04:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:788d900a8d6431057caa2cba527b2feea32a4574d9ba62642b69b488a5857d81

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.