Os Meninos De Huambo

Recording by Paulo de Carvalho.

Recording identifiers

ISRC
PTAA18501737
CopyrightID (CopyrightChains transaction hash)
0xd6a55fd8473a08e99b08755174e8850d67ef8fddd2d243639d3c4e5f54ef8cba
Copyright registration time
2026-07-07T08:16:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c93a331b0c31557c3f97ca46375a515243783835066f153a0f46945c2f37a429

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.