{"entity":"slack","id":"ent_slack","name":"Slack","wikidata":"Q17130715","page":"https://asof.is/record/slack","summary":"Slack is a web-based instant messaging service, made by Salesforce.","title":"Slack: made by Salesforce","key_facts":[{"label":"Maker","value":"Salesforce","claim":"clm_50757410E27E"}],"faq":[{"question":"Who makes Slack?","answer":"Salesforce."}],"as_of":null,"known_by":null,"since":null,"predicates":["founder"],"fact_pages":[{"predicate":"founder","page":"https://asof.is/record/slack/founder","md":"https://asof.is/record/slack/founder.md","json":"https://asof.is/v1/entities/slack/founder"},{"predicate":"owned_by","page":"https://asof.is/record/slack/owned_by","md":"https://asof.is/record/slack/owned_by.md","json":"https://asof.is/v1/entities/slack/owned_by"}],"coverage":{"entity":"slack","name":"Slack","kind":"product","sources":[{"source":"wikidata","item":"Q17130715","covers":"dated statements whose reference URL is the source: leadership, ownership, names, founding, headquarters; never financial figures"},{"source":"wikidata-products","covers":"products it makes, develops or publishes, as released claims, when the release date cites a reference URL; a rotating scan, a few dozen entities a run"},{"source":"feed","feed":"salesforce-news","name":"Salesforce News","url":"https://www.salesforce.com/news/feed/","records_on":"salesforce","covers":"a primary source for this entity's claims; its posts are recorded on salesforce"}],"holds":{"claims":5,"open":5,"retracted":0,"first":"2013-08-01","predicates":{"owned_by":{"claims":1,"open":1,"kind":"fact"},"founder":{"claims":1,"open":1,"kind":"list"},"feature_added":{"claims":1,"open":1,"kind":"event"},"website":{"claims":1,"open":1,"kind":"identifier"},"released":{"claims":1,"open":1,"kind":"event"}}},"freshness":[{"origin":"wikidata","label":"Wikidata statements that cite a reference URL (wikidata_ingest.py)","claims":3,"last_added":"2026-10-31","last_checked":"2026-11-06","last_verified":"2026-10-29"},{"origin":"feed","label":"claims extracted from official feeds (feeds_ingest.py)","claims":2,"last_added":"2026-10-28","last_checked":"2026-10-31","last_verified":null}],"gaps":["financials: none; files with the SEC as salesforce","posts: recorded on salesforce (Salesforce News); the claims extracted from them about slack land here"],"group":[{"entity":"salesforce","name":"Salesforce","kind":"organization","link":{"by":"feed","feed":"salesforce-news","to":"slack"}}],"group_complete":true,"rule":"sources: what the pipeline reads for this entity, from its config (pipeline/entities.json, feeds.json, sec_companies.json, huggingface_authors.json). holds: its public claims by predicate; open is held today; kind fact is what entity_state answers by default, event is for timeline. freshness, per ingest (origin): last_added is the day it last put a new claim here (first_seen_at), last_checked the day one was last checked against its source (checked_on), last_verified the day reverify.py last confirmed one against Wikidata (value_json.verified_at). Only checked claims are public, so a fact missing here is unknown, not absent. gaps: what the record does not cover for this entity, so an empty answer is not read as news."},"claims":[{"id":"clm_5093BC3F1341","predicate":"founder","value":"Stewart Butterfield","valid_from":null,"undated":true,"valid_to":null,"published":null,"recorded":"2026-10-27","confidence":0.8,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://www.crunchbase.com/organization/slack","tier":"secondary","publisher":null,"published_at":null},{"url":"https://www.wikidata.org/wiki/Q17130715","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://www.salesforce.com/blog/author/stewart-butterfield/","tier":"secondary","publisher":"salesforce.com","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-06","quote":"Stewart Butterfield is the CEO and Co-Founder of Slack.","url":"https://www.salesforce.com/blog/author/stewart-butterfield/"}}],"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}