ISRC JPZ921108344
Verified recording
JPZ921108344 is “Kokkyo” by Def Tech,
registered on the CopyrightChains blockchain with CopyrightID
0xb45a36ebae88535d90c3d24c867e2f04b4631ca078166e579817feb561de792b and independently timestamped
in Bitcoin block 960155 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921108344.
Recording identifiers
- ISRC
- JPZ921108344
- Title
- Kokkyo
- Artist
- Def Tech
- CopyrightID (CopyrightChains transaction hash)
0xb45a36ebae88535d90c3d24c867e2f04b4631ca078166e579817feb561de792b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:13:32+00:00
- Bitcoin block
- 960155
- Canonical record hash
sha256:6ce5a83e3375d5133c8158a2d8c292cf0b1020bc678c9209611c78138fcae7da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921108344
- Bitcoin block existence check
- https://blockstream.info/api/block/960155