我儘姫 - STUDY WITH MIKU ver. -

Recording by ふじを.

Recording identifiers

ISRC
JP92Q2302038
CopyrightID (CopyrightChains transaction hash)
0x90d6f7a9ae78a86bd4a1493b86860b32c42dd7a601108683fa2c1ee34b53214f
Copyright registration time
2026-06-11T06:00:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e9ae83ffb5bd5e92e7ce7737cefc50467951d8cc868254e203b329911a3becf1

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.