O Boy Vira Boi - Ao Vivo

Recording by May & Karen.

Recording identifiers

ISRC
BXMGD1900017
CopyrightID (CopyrightChains transaction hash)
0x4938ab6a625bb17454648481f5fcbdecb85fbf32300c042d876a7e2dac57acba
Copyright registration time
2026-07-07T16:36:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a0b1a7441452ec1fe56586d996133c8651f6aba4e4b9b88566af4a5d54c06083

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.