A Luta Continua

Recording by NGA.

Recording identifiers

ISRC
ES71G1851778
CopyrightID (CopyrightChains transaction hash)
0x4a96c59119eb993b6589b6beb2042f4099d331f837f4c7c53c316b03ce6e36b5
Copyright registration time
2026-06-07T09:11:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a9c500dbc8bfe42fc5edaa1239470059a841c8fafd1fbfe93f9d720249a79a7f

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.