君だけのアタラクシア[with 二羽凛奈]

Recording by 少女フラクタル.

Recording identifiers

ISRC
JPW562106778
CopyrightID (CopyrightChains transaction hash)
0xc5551ca69d113e279626e34322bb881781a8d368478538631a6b1b1fed9cf2fc
Copyright registration time
2026-07-07T21:17:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:31c1cf2adbde63b8224787399fc6d8f968085f2ef8d8bb6da45ecf8990f5a5f2

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.