ISRC QZK6F2123308
Verified recording
QZK6F2123308 is “Kataomoi 片思い” by Quartzone,
registered on the CopyrightChains blockchain with CopyrightID
0xd3ef9b3ce04265d0c1c2f13c0712c411dc236a7d20f0720c7e6a78b1d84da8d1 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6F2123308.
Recording identifiers
- ISRC
- QZK6F2123308
- Title
- Kataomoi 片思い
- Artist
- Quartzone
- CopyrightID (CopyrightChains transaction hash)
0xd3ef9b3ce04265d0c1c2f13c0712c411dc236a7d20f0720c7e6a78b1d84da8d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:b2e841ac95f8cbeb87f028ece42c230df75bf979069f077b824c8b182cc952a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6F2123308
- Bitcoin block existence check
- https://blockstream.info/api/block/960381