ISRC JPN100901321

Verified recording

JPN100901321 is “僕は君に恋をする” by Ken Hirai, registered on the CopyrightChains blockchain with CopyrightID 0x6c85e7aaaf468b23799248e1b114655770a74cc61644cd52f7f0e09febd04e89 and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN100901321.

Recording identifiers

ISRC
JPN100901321
Title
僕は君に恋をする
Artist
Ken Hirai
CopyrightID (CopyrightChains transaction hash)
0x6c85e7aaaf468b23799248e1b114655770a74cc61644cd52f7f0e09febd04e89

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:7416a9f17610f148d99fbc65c6e537783a9d9d04cb63647af3329d48fc6c4855
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN100901321
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: 僕は君に恋をする · Machine-readable JSON-LD