ISRC JPR502139070
Verified recording
JPR502139070 is “Nostalgia” by 大山 曜,
registered on the CopyrightChains blockchain with CopyrightID
0x9db52a7ffd056e22d50798b8747ffb9ccbd6b789eb4f6af32102d35d41b30862 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR502139070.
Recording identifiers
- ISRC
- JPR502139070
- Title
- Nostalgia
- Artist
- 大山 曜
- CopyrightID (CopyrightChains transaction hash)
0x9db52a7ffd056e22d50798b8747ffb9ccbd6b789eb4f6af32102d35d41b30862
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:3c61a830831e9c69b56b81fef60f7f7fef0da1f171b89adb4b87302e88c13295- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR502139070
- Bitcoin block existence check
- https://blockstream.info/api/block/956304