O Tempo Nunca Mais Firmou

Recording by Chico Chico.

Recording identifiers

ISRC
BCKON2100061
CopyrightID (CopyrightChains transaction hash)
0xa65604796e7c567195f236fb719a7f9cead76865f2b82fb1ce44ecd337c28bef
Copyright registration time
2026-06-18T10:53:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b8194ce4c244f288a541a6bf4ee76ee266a23f24d72f0eafc6e0ce29eaef76b5

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.