純粋に

Recording by 羽岡 佳.

Recording identifiers

ISRC
JPE301900725
CopyrightID (CopyrightChains transaction hash)
0x7ba35e8832cb81d0e4f8e225b350b02c63c99738ebe792db01e478074894c696
Copyright registration time
2026-06-24T08:13:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0690f45b746e41f35c169d0281ac74175cc4c4edc0d5bf2b6ea63441d003e90f

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.