B. Boys (Ao Vivo) (Inédita)

Recording by Cidade Negra.

Recording identifiers

ISRC
BRSME0600133
CopyrightID (CopyrightChains transaction hash)
0x0f48c90691a8f14c536efdf1d78f5276e4bc03c070734c8f1ef8c74f43a966a4
Copyright registration time
2026-06-21T21:33:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ef927988d3cfe4f311bbeeda145038b6be7efe27678aae481c9fbdb459dc0aef

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.