春嵐 - STUDY WITH MIKU ver. -

Recording by John.

Recording identifiers

ISRC
JP92Q2302039
CopyrightID (CopyrightChains transaction hash)
0x37381eaa8876a155cecf3f2673b1140bf9b542754afe73f7ec72c60e560a528b
Copyright registration time
2026-06-09T16:42:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9db6a22d5a6b841993986f547fad973873efce61a1bb1d131718e88aee2e551d

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.