Mr. V's Sonata

Recording by Marius de Vries.

Recording identifiers

ISRC
USUG12103731
CopyrightID (CopyrightChains transaction hash)
0x7c62f05b32553ed4cfb5b5914ba6ee3357ea9805dd0829cec7f4ce010e77c3c1
Copyright registration time
2026-06-11T16:47:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:98baebe43ee9f66d5bb0a21819768ad2abde378712adb3ef2d70240672909cd4

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.