ISRC QMBZ92062636
Verified recording
QMBZ92062636 is “Clear Sky” by Knowsum,
registered on the CopyrightChains blockchain with CopyrightID
0xce387c8ff90e957525ac7e737245d6e6fb2e44c9c7e7ddac6b5c95bf1a66455b 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/QMBZ92062636.
Recording identifiers
- ISRC
- QMBZ92062636
- Title
- Clear Sky
- Artist
- Knowsum
- CopyrightID (CopyrightChains transaction hash)
0xce387c8ff90e957525ac7e737245d6e6fb2e44c9c7e7ddac6b5c95bf1a66455b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:527131276ab80c0b4bda59273a81f87b2f6a77325d62f701e838636d1da60df2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ92062636
- Bitcoin block existence check
- https://blockstream.info/api/block/956375