ISRC JPB602401807
Verified recording
JPB602401807 is “碧” by Ai Otsuka,
registered on the CopyrightChains blockchain with CopyrightID
0x5666119b3e551e31799261621127977c6a35b32c84cc894d9b36954d6079b84c and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602401807.
Recording identifiers
- ISRC
- JPB602401807
- Title
- 碧
- Artist
- Ai Otsuka
- CopyrightID (CopyrightChains transaction hash)
0x5666119b3e551e31799261621127977c6a35b32c84cc894d9b36954d6079b84c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:88225280428cb5b1d5615f74b161ec70bae3d35103736a9b38335421120ab65c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602401807
- Bitcoin block existence check
- https://blockstream.info/api/block/957118