A Chave

Recording by Nando Reis.

Recording identifiers

ISRC
BR7OQ2400001
CopyrightID (CopyrightChains transaction hash)
0x3fc57185828d84147b72cce38f66bcfcfcf784c60f8fd6a60d1b34cc9339d4ae
Copyright registration time
2026-06-09T16:33:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:da766c7d21b90d9b966e185bccffb6233ab607cf41db5cae85a4c22b2247abc8

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.