ISRC USMC10201340
Verified recording
USMC10201340 is “How Long” by K-Ci & JoJo,
registered on the CopyrightChains blockchain with CopyrightID
0xb327b1ab572ebcf601e46e44e770ed31acb2eeca9e046a790270178034090757 and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC10201340.
Recording identifiers
- ISRC
- USMC10201340
- Title
- How Long
- Artist
- K-Ci & JoJo
- CopyrightID (CopyrightChains transaction hash)
0xb327b1ab572ebcf601e46e44e770ed31acb2eeca9e046a790270178034090757
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:a364f5f798727cb149db890c7f4bd0a9424f21fb2b437f28434ad8c6255b2577- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC10201340
- Bitcoin block existence check
- https://blockstream.info/api/block/956375