ISRC JPVI08701550
Verified recording
JPVI08701550 is “Smile Again” by Kyoko Koizumi,
registered on the CopyrightChains blockchain with CopyrightID
0xd17788ce20e0299f58e93f952ae9c49c065912f595e3dcb17f46eebecb62d395 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI08701550.
Recording identifiers
- ISRC
- JPVI08701550
- Title
- Smile Again
- Artist
- Kyoko Koizumi
- CopyrightID (CopyrightChains transaction hash)
0xd17788ce20e0299f58e93f952ae9c49c065912f595e3dcb17f46eebecb62d395
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:644f7f3b0846d362dc78ab169e7bab1da15ab18e5b69939d90b2db20478bdc75- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI08701550
- Bitcoin block existence check
- https://blockstream.info/api/block/956304