ISRC JPU901700374
Verified recording
JPU901700374 is “僕の心をつくってよ” by Ken Hirai,
registered on the CopyrightChains blockchain with CopyrightID
0x3d437c0cb397c5ed1d2106dad8166a87a0fcac19a9097f158af1a6ae5ac9db78 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901700374.
Recording identifiers
- ISRC
- JPU901700374
- Title
- 僕の心をつくってよ
- Artist
- Ken Hirai
- CopyrightID (CopyrightChains transaction hash)
0x3d437c0cb397c5ed1d2106dad8166a87a0fcac19a9097f158af1a6ae5ac9db78
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:3f35bcd52d1b263edcc55a6d1bd66b4778b4ef3ba56f18e340dfc009137c0582- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901700374
- Bitcoin block existence check
- https://blockstream.info/api/block/960138