Lamento Nordestino

Recording by Joquinha Do Acordeon.

Recording identifiers

ISRC
QZ5AB1780020
CopyrightID (CopyrightChains transaction hash)
0x6b0372b65e3923513831b9297867fbb08c8c4cda4900e1184301f0055e04dd1e
Copyright registration time
2026-07-29T13:20:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:38:16Z
Bitcoin block
960113
Canonical record hash
sha256:35d3d9628132fc1ac57fbbef9bf42bddf6dd44258c4e02a59732bc19823ca76e

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.