ISRC QZS662238902
Verified recording
QZS662238902 is “Natsugumo” by Reku Mochizuki,
registered on the CopyrightChains blockchain with CopyrightID
0xcb7412049f48c9701935cabe4d0328a5b5079ce27e5d288109b26fcfd97ef945 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS662238902.
Recording identifiers
- ISRC
- QZS662238902
- Title
- Natsugumo
- Artist
- Reku Mochizuki
- CopyrightID (CopyrightChains transaction hash)
0xcb7412049f48c9701935cabe4d0328a5b5079ce27e5d288109b26fcfd97ef945
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:f3cf8a29e89e5c75b236e14459fa034a71b3e7a56d77f0c5661ffab70c0aa483- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS662238902
- Bitcoin block existence check
- https://blockstream.info/api/block/960448