ISRC JPVI08703140
Verified recording
JPVI08703140 is “胸いっぱいのYesterday” by Kyoko Koizumi,
registered on the CopyrightChains blockchain with CopyrightID
0x0992dc9d156cec67e1d5ed4b71cc956c07759f70404ab361b681bd27c6ea91f5 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI08703140.
Recording identifiers
- ISRC
- JPVI08703140
- Title
- 胸いっぱいのYesterday
- Artist
- Kyoko Koizumi
- CopyrightID (CopyrightChains transaction hash)
0x0992dc9d156cec67e1d5ed4b71cc956c07759f70404ab361b681bd27c6ea91f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:3d4ec9e4ab336114692e6c7389a56cf79a95480628e6e9912a9e2fd812ca3d60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI08703140
- Bitcoin block existence check
- https://blockstream.info/api/block/960327