幼馴染みとの秘密

Recording by Michiru.

Recording identifiers

ISRC
JPE301901277
CopyrightID (CopyrightChains transaction hash)
0x6bfe617064cccb3e032f0b93894411f269f3808823b2d4a79780035be9982309
Copyright registration time
2026-06-25T09:22:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:fdd29bb0a431a826c7180c97e23ea3183eb0df41cac8a49fa820c81bd59d91e5

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.