Sem Você

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BX4TA2000121
CopyrightID (CopyrightChains transaction hash)
0x724c79c2b346b967d4630c848e1333d9ce42b75771b1493d28dd6d891e821cba
Copyright registration time
2026-06-21T08:58:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:02c142d70a0c7318359af5bad6cec031ccf1de9e96535dcc520139e50914dbfd

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.