無垢の亡失[with 二羽凛奈]

Recording by 少女フラクタル.

Recording identifiers

ISRC
JPW562106027
CopyrightID (CopyrightChains transaction hash)
0x9c3dc9a86e7a93111f4f0ef8ee8616cbd8c82f3905e7694bf56d5ff5fc42ba73
Copyright registration time
2026-07-07T21:33:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:79050a43a7861949c2d8dd5d366c7ca3520e2b7e2892046669f317fd359f12e9

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.