ISRC USHM21812197
Verified recording
USHM21812197 is “Ku Ku” by Calboy,
registered on the CopyrightChains blockchain with CopyrightID
0xbb62c15e23652a63e550156e42177bb72dbcce8ec484199444fed4bea81060ff and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21812197.
Recording identifiers
- ISRC
- USHM21812197
- Title
- Ku Ku
- Artist
- Calboy
- CopyrightID (CopyrightChains transaction hash)
0xbb62c15e23652a63e550156e42177bb72dbcce8ec484199444fed4bea81060ff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a9911fc8c4a2888f49398a4d5d20b632f7d5489aaef03d8ba726f7babc530e52- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21812197
- Bitcoin block existence check
- https://blockstream.info/api/block/956302