João-de-Barro

Recording by Nestor E Nestorzinho.

Recording identifiers

ISRC
BRMVP0302442
CopyrightID (CopyrightChains transaction hash)
0x3ffe0141de2f6614fb5c199f5e25de886e1695e3b542ec164230c26f8d0e3963
Copyright registration time
2026-06-05T14:25:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:37f3a397cea3fd12dd07a5a5438ef00f8877e816778cfb41048754453db55240

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.