One dated snapshot, with its changes visible
The published ranking is the 26 September 2026 HTTPS measurement of 51 selected companies. Its unit is the measured public HTTPS hostname; by IP address Qtonic Quantum Corp is 0 of 2. Internal systems, customer deployments and sold products were not measured.
Current published record
- Qtonic Quantum Corp: 5 of 8 measured HTTPS hostnames met the four-handshake rule after the policy change.
- Selected comparison companies: 0 of 2,877 measured HTTPS hostnames met that rule.
- Per-company results · Endpoint records · Proof SHA-256 list · Published 26 September 2026 replication run.
These values are a published frozen snapshot, not a current live TLS scan. Verify the proof files with the published timestamp instructions.
Recorded changes and limits
On 26 September 2026 at 23:36 UTC, Qtonic Quantum Corp opened its two public web hostnames to classical clients. The policy-change transcript and the pre/post measurements remain available. The site uses the post-change run for the published ranking. An earlier publisher summary could not be fully recomputed from its raw files; the replication table marks that boundary explicitly.
The challenge log records submitted disputes and dispositions. A future accepted correction requires a new dated measurement record; this page does not invent a later edition.
Publisher and related research
Qtonic Quantum Corp publishes this index, designed the rule and is ranked first under it. The separate PQC Discovery Index evidence explorer covers documented product capabilities, not these hostname handshakes. Submit reproducible counterevidence with the hostname, address, UTC time, network vantage and four outcomes.