ISRC JPPO02304187
Verified recording
JPPO02304187 is “約束” by Tomoyuki Nagasawa,
registered on the CopyrightChains blockchain with CopyrightID
0xf41da3824d13c1e5b9393646050794152d9c30f6a326a5c7608a9fb45c686f43 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/JPPO02304187.
Recording identifiers
- ISRC
- JPPO02304187
- Title
- 約束
- Artist
- Tomoyuki Nagasawa
- CopyrightID (CopyrightChains transaction hash)
0xf41da3824d13c1e5b9393646050794152d9c30f6a326a5c7608a9fb45c686f43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b57c8336006a735dab8f9c25284c765f862694b3cec7e31c9d3d2b62cdb4d1d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02304187
- Bitcoin block existence check
- https://blockstream.info/api/block/957118