ISRC JPI591801052
Verified recording
JPI591801052 is “Nijusanji gojukyuhun (feat. MC Matsushima)” by Sunny Day Service,
registered on the CopyrightChains blockchain with CopyrightID
0x412fd5c8fcfec7fa72b2b586186d8511237eff4e9f5b4c7a261a29b1f3edc550 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/JPI591801052.
Recording identifiers
- ISRC
- JPI591801052
- Title
- Nijusanji gojukyuhun (feat. MC Matsushima)
- Artist
- Sunny Day Service
- CopyrightID (CopyrightChains transaction hash)
0x412fd5c8fcfec7fa72b2b586186d8511237eff4e9f5b4c7a261a29b1f3edc550
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ce604ab56d230a3e6df1b88829b22b7a6d3934131bbc893897f4aeb8bb875444- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPI591801052
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Nijusanji gojukyuhun (feat. MC Matsushima) · Machine-readable JSON-LD