Não Tem Porque Dizer Adeus

Recording by Valuá.

Recording identifiers

ISRC
BXT8S2200143
CopyrightID (CopyrightChains transaction hash)
0x4cf31ba628ad2b51c74a3b9aef08a204c955d1f0ba271ea662ed67b5cb961254
Copyright registration time
2026-07-07T11:45:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fc4afc5cba94fd3078bb7b4640bba67e14cdeeec201f570f0221067f8c182dde

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.