ISRC JPVI08801890
Verified recording
JPVI08801890 is “Happy Blue ★” by Kyoko Koizumi,
registered on the CopyrightChains blockchain with CopyrightID
0xa4d822831f82c403f23b3e35c7fc18c64bc143c90ff50d680e7c70abcb6a8a9a 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/JPVI08801890.
Recording identifiers
- ISRC
- JPVI08801890
- Title
- Happy Blue ★
- Artist
- Kyoko Koizumi
- CopyrightID (CopyrightChains transaction hash)
0xa4d822831f82c403f23b3e35c7fc18c64bc143c90ff50d680e7c70abcb6a8a9a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f74949d1354c748646eb732089f563b0ab848d018c06d4d5547a3ff7a50f588f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI08801890
- Bitcoin block existence check
- https://blockstream.info/api/block/957118