ISRC GBKQU2012702
Verified recording
GBKQU2012702 is “Tsurugi” by Kazusa,
registered on the CopyrightChains blockchain with CopyrightID
0xaf199f0303ecfcdc6e618eabfe5dc7df146eef7dd18c0fc6a30b093f9cffbeca 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/GBKQU2012702.
Recording identifiers
- ISRC
- GBKQU2012702
- Title
- Tsurugi
- Artist
- Kazusa
- CopyrightID (CopyrightChains transaction hash)
0xaf199f0303ecfcdc6e618eabfe5dc7df146eef7dd18c0fc6a30b093f9cffbeca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a45ed5ae928dd705bafbc9ee4032c1f2d4ea7997a356c9f3de2ed5451208040b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2012702
- Bitcoin block existence check
- https://blockstream.info/api/block/957118