ISRC JPU901000004
Verified recording
JPU901000004 is “Is it over?” by Toshinobu Kubota,
registered on the CopyrightChains blockchain with CopyrightID
0x1825a389773d49181a18784885be3f89cda1a8d8f7ebc48a1a88d968c70cb0e8 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/JPU901000004.
Recording identifiers
- ISRC
- JPU901000004
- Title
- Is it over?
- Artist
- Toshinobu Kubota
- CopyrightID (CopyrightChains transaction hash)
0x1825a389773d49181a18784885be3f89cda1a8d8f7ebc48a1a88d968c70cb0e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:2b7545ecac8d4380481acbe07d79758c86525642ada40ec6192948fc203dfe8d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901000004
- Bitcoin block existence check
- https://blockstream.info/api/block/960138