Variaçao em Re Menor 2

Recording by Fernando Machado Soares.

Recording identifiers

ISRC
FR6V80443614
CopyrightID (CopyrightChains transaction hash)
0x536f000672400d247401371c41235e296a8d70a085f710764d487c72c7677802
Copyright registration time
2026-07-07T00:17:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ecc8a7223f379f225680f1cbe2823207d586b141e8700b4010988c7a690f6165

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.