ISRC JPPO01613607

Verified recording

JPPO01613607 is “ひまわりの約束” by Yusaku Kiyama, registered on the CopyrightChains blockchain with CopyrightID 0xb673c0a8bf2abf46917ab27bb79f8a1cd34460ef37cb3d5f67a7491065068991 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/JPPO01613607.

Recording identifiers

ISRC
JPPO01613607
Title
ひまわりの約束
Artist
Yusaku Kiyama
CopyrightID (CopyrightChains transaction hash)
0xb673c0a8bf2abf46917ab27bb79f8a1cd34460ef37cb3d5f67a7491065068991

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:8d0aaacc135be14ee57ab3c28a687faae3f119ebac72fb561fbe32861d132695
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01613607
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: ひまわりの約束 · Machine-readable JSON-LD