ISRC JPKI02412940
Verified recording
JPKI02412940 is “手紙～拝啓十五の君へ～” by Yusaku Kiyama,
registered on the CopyrightChains blockchain with CopyrightID
0xb7d8e118560027f8753a46a385f733ef9b528ffc5eac1b5fb8372b3b24c55c32 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI02412940.
Recording identifiers
- ISRC
- JPKI02412940
- Title
- 手紙～拝啓十五の君へ～
- Artist
- Yusaku Kiyama
- CopyrightID (CopyrightChains transaction hash)
0xb7d8e118560027f8753a46a385f733ef9b528ffc5eac1b5fb8372b3b24c55c32
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:f527388b2b80862d3aabbb62045ee62991c2c1f4166773deb568447894b91d04- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI02412940
- Bitcoin block existence check
- https://blockstream.info/api/block/960397