Por Que Não

Recording by Murilo Chester.

Recording identifiers

ISRC
BCX712400003
CopyrightID (CopyrightChains transaction hash)
0x749887115dc649ef1cec9fdb387ceb1651640d9e491fd2671df090d6ed51870e
Copyright registration time
2026-06-04T16:19:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:55d1a73bf05077d36d4cf66e45ff6630bee0a77b5fc251a482aa6d2bb5370418

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.