ISRC JPU901401897

Verified recording

JPU901401897 is “おんなじさみしさ” by Ken Hirai, registered on the CopyrightChains blockchain with CopyrightID 0xa18cb335f39561e6251765a3238c85ac63262fcba8ab1f661493dea6c0999d55 and independently timestamped in Bitcoin block 960506 on 2026-08-01. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901401897.

Recording identifiers

ISRC
JPU901401897
Title
おんなじさみしさ
Artist
Ken Hirai
CopyrightID (CopyrightChains transaction hash)
0xa18cb335f39561e6251765a3238c85ac63262fcba8ab1f661493dea6c0999d55

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-08-01T03:50:58+00:00
Bitcoin block
960506
Canonical record hash
sha256:fd615fa6f15c05a51b893128ad091d8b0c9bb1fd9aedb91217a108291b0f7680
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901401897
Bitcoin block existence check
https://blockstream.info/api/block/960506

Full record

Track page: おんなじさみしさ · Machine-readable JSON-LD