ISRC USKO11301935
Verified recording
USKO11301935 is “Knock it Off” by K-Ci & JoJo,
registered on the CopyrightChains blockchain with CopyrightID
0xa20b507b2c5d7df2e76e20de073b3d812eee4f8c789c02209d343d38d44e46af and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11301935.
Recording identifiers
- ISRC
- USKO11301935
- Title
- Knock it Off
- Artist
- K-Ci & JoJo
- CopyrightID (CopyrightChains transaction hash)
0xa20b507b2c5d7df2e76e20de073b3d812eee4f8c789c02209d343d38d44e46af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:81e9826dc0775687f903b2fb16c72806cb27aa7ebc7bc52bd8ea296af2838188- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11301935
- Bitcoin block existence check
- https://blockstream.info/api/block/953515