Mourao para Orquestra de Cordas

Recording by César Guerra-Peixe.

Recording identifiers

ISRC
ATMA40500565
CopyrightID (CopyrightChains transaction hash)
0xcecbbc83c492ba52b659fa621d0598bc1b842821e5a365fa3976ba93aac27703
Copyright registration time
2026-06-20T04:47:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:09cd7cba213350ae1f7376b4c0ac844b275d54b452d2ee3454d07cfe3511074f

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.