# Slack timeline

entity: /record/slack.md  
id: ent_slack  


## 2013

- 2013-03-26 | x_username | slackhq | unverified | [clm_23B142D33EA2](/claim/clm_23B142D33EA2.md)

## undated

- undated | founder | Cal Henderson | unverified | [clm_098DA02F9573](/claim/clm_098DA02F9573.md)
- undated | x_username | SlackHQ | unverified | [clm_50664740A3E0](/claim/clm_50664740A3E0.md)
- undated | founder | Stewart Butterfield | unverified | [clm_5093BC3F1341](/claim/clm_5093BC3F1341.md)
- undated | website | https://slack.com | unverified | [clm_729D10E98B6D](/claim/clm_729D10E98B6D.md)
- undated | website | https://www.salesforce.com/slack/ | unverified | [clm_B2A2E3FEF39B](/claim/clm_B2A2E3FEF39B.md)

## 2026

- 2026-10-15 | available_in | UK | valid | [clm_F93DAF9A9923](/claim/clm_F93DAF9A9923.md)
- 2026-10-19 | released | Slack Frontline | valid | [clm_DA6A993B987E](/claim/clm_DA6A993B987E.md)
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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.