Tudo o Que Eu Não Soube Ver

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BX4TA2000130
CopyrightID (CopyrightChains transaction hash)
0x2ba126f33a72590203b0341c1c379929b86cd41c095c98ab25f3e55fcf29701e
Copyright registration time
2026-06-24T20:18:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ec60a70d76c49420b9eeebb2e4228b9ab0149680c257641d85522dff16df62a6

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.