Variaçao em Re Menor 1

Recording by Fernando Machado Soares.

Recording identifiers

ISRC
FR6V80443609
CopyrightID (CopyrightChains transaction hash)
0x52ec569ae065f2d260c9afd9ec6a64db7a594e84f159c1eddbbd33cfe1e6a110
Copyright registration time
2026-07-06T08:38:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:52:39Z
Bitcoin block
957043
Canonical record hash
sha256:c439658435b9619af7c2bdb7d52fef5632d7c530acd6ca496b73a88f82d60df2

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.