ヴァイオリン幻想曲

Recording by 堀内まり菜.

Recording identifiers

ISRC
JPI102100260
CopyrightID (CopyrightChains transaction hash)
0xff715cbef08a14d90107d40e56a956d9c472b0d62a5743a9462f24d1e35e0f76
Copyright registration time
2026-07-07T08:55:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d6d437bf1ee8f55c6dbbc49778981afe970b0f9e2c9feb84abfbf9af5cb572d7

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.