The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Stated as firm, per moscone.com: "September 15 - September 17, 2026 | Moscone North, South, and West"; The Letter Two's[4] live blog: "Salesforce hosts its 2026 customer conference in San Francisco from Sept. 15 to 17."
Salesforce Ben[3]: AIforce as the keynote's biggest announcement (Claudeforce, Slackforce, Agentforce Coworker, the Headless Toolkit); Claudeforce in open beta; zero data retention.
Salesforce Ben[2]: "The disruption began at 12:50 AM PDT on September 16, according to Salesforce Trust"; multiple instances in all regions.
The Letter Two live blog: "from Sept. 15 to 17"; Jensen Huang on stage said he supports measured pacing but opposes increased regulation; Koa introduced.
ITPro: "tens of thousands of attendees flocking to the Moscone[1] Center each morning"; Amodei and Huang at the opening keynote; Koa built with Nvidia's Nemotron models.
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