ISRC JPS801945888

Verified recording

JPS801945888 is “Natsuyasumi” by Shun Ishiwaka, registered on the CopyrightChains blockchain with CopyrightID 0x27b8d91b0f70dc529cd27e9ef8f761a232e4c70d5245fd202bae75f92e3af035 and independently timestamped in Bitcoin block 959144 on 2026-07-22. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS801945888.

Recording identifiers

ISRC
JPS801945888
Title
Natsuyasumi
Artist
Shun Ishiwaka
CopyrightID (CopyrightChains transaction hash)
0x27b8d91b0f70dc529cd27e9ef8f761a232e4c70d5245fd202bae75f92e3af035

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-22T15:38:35+00:00
Bitcoin block
959144
Canonical record hash
sha256:7b2545e3190229bb32bc8bc777f434721440fb168527da3150c87d3d4f94ef96
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS801945888
Bitcoin block existence check
https://blockstream.info/api/block/959144

Full record

Track page: Natsuyasumi · Machine-readable JSON-LD