{"entity":"mastodon","id":"ent_mastodon","name":"Mastodon","wikidata":"Q27986619","page":"https://asof.is/record/mastodon","summary":"As of November 11, 2025, Mastodon was a free and open-source federated social networking project, made by Mastodon gGmbH.","title":"Mastodon: made by Mastodon gGmbH","key_facts":[{"label":"Maker","value":"Mastodon gGmbH","claim":"clm_83C3EE9FC528"}],"faq":[{"question":"Who makes Mastodon?","answer":"Mastodon gGmbH."}],"as_of":"2025-11-11","known_by":null,"since":null,"fact_pages":[{"predicate":"country","page":"https://asof.is/record/mastodon/country","md":"https://asof.is/record/mastodon/country.md","json":"https://asof.is/v1/entities/mastodon/country"}],"coverage":{"entity":"mastodon","name":"Mastodon","kind":"product","sources":[{"source":"wikidata","item":"Q27986619","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"}],"holds":{"claims":4,"open":4,"retracted":0,"first":"2016-03-16","predicates":{"country":{"claims":1,"open":1,"kind":"fact"},"developer":{"claims":1,"open":1,"kind":"fact"},"released":{"claims":1,"open":1,"kind":"event"},"license":{"claims":1,"open":1,"kind":"fact"}}},"freshness":[{"origin":"wikidata","label":"Wikidata statements that cite a reference URL (wikidata_ingest.py)","claims":4,"last_added":"2026-11-10","last_checked":"2026-11-11","last_verified":null}],"gaps":["posts: no official feed speaks for it (pipeline/feeds.json primary_for); what it holds comes from Wikidata, filings and other publishers' feeds"],"group":[],"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_2039678A5F93","predicate":"country","value":"Germany","valid_from":null,"undated":true,"valid_to":null,"published":null,"recorded":"2026-11-10","citation":{"plain":"AsOf. \"Mastodon country: Germany\", undated. Claim clm_2039678A5F93, https://asof.is/claim/clm_2039678A5F93, accessed 2026-11-11. Source: https://joinmastodon.org/about.","url":"https://asof.is/claim/clm_2039678A5F93","accessed":"2026-11-11"},"confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://joinmastodon.org/about","tier":"primary","publisher":"joinmastodon.org","published_at":null},{"url":"https://www.wikidata.org/wiki/Q27986619","tier":"secondary","publisher":"Wikidata","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-11","quote":"The project was officially incorporated as a gGmbH (a German form of non-profit LLC) in 2021 but lost its non-profit status when Germany removed software projects from eligibility.","url":"https://joinmastodon.org/about"}},{"id":"clm_83C3EE9FC528","predicate":"developer","value":"Mastodon gGmbH","valid_from":null,"undated":true,"valid_to":null,"published":null,"recorded":"2026-11-02","citation":{"plain":"AsOf. \"Mastodon developer: Mastodon gGmbH\", undated. Claim clm_83C3EE9FC528, https://asof.is/claim/clm_83C3EE9FC528, accessed 2026-11-11. Source: https://www.wikidata.org/wiki/Q27986619.","url":"https://asof.is/claim/clm_83C3EE9FC528","accessed":"2026-11-11"},"confidence":0.8,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://www.wikidata.org/wiki/Q27986619","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://connect.fediforum.org/open-social-web-providers/mastodon-ggmbh/","tier":"secondary","publisher":"connect.fediforum.org","published_at":null},{"url":"https://blog.joinmastodon.org/2025/11/the-future-is-ours-to-build-together/","tier":"secondary","publisher":"blog.joinmastodon.org","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-02","quote":"Mastodon gGmbH is a non-profit from Germany that develops the Mastodon software.","url":"https://connect.fediforum.org/open-social-web-providers/mastodon-ggmbh/"}},{"id":"clm_DA1B6F2227A8","predicate":"license","value":"GNU Affero General Public License, version 3.0","valid_from":null,"undated":true,"valid_to":null,"published":null,"recorded":"2026-10-27","citation":{"plain":"AsOf. \"Mastodon license: GNU Affero General Public License, version 3.0\", undated. Claim clm_DA1B6F2227A8, https://asof.is/claim/clm_DA1B6F2227A8, accessed 2026-11-11. Source: https://www.wikidata.org/wiki/Q27986619.","url":"https://asof.is/claim/clm_DA1B6F2227A8","accessed":"2026-11-11"},"confidence":0.7,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"sources":[{"url":"https://www.wikidata.org/wiki/Q27986619","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://github.com/tootsuite/mastodon/blob/master/LICENSE","tier":"secondary","publisher":null,"published_at":null}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007 Copyright (C) 2007 Free Software Foundation, Inc.","url":"https://github.com/tootsuite/mastodon/blob/master/LICENSE"}},{"id":"clm_BDF90BB1F2B3","predicate":"released","value":"2016-10-05","valid_from":"2016-10-05","valid_to":null,"published":null,"recorded":"2026-10-27","citation":{"plain":"AsOf. \"Mastodon released: 2016-10-05\", as of 2016-10-05. Claim clm_BDF90BB1F2B3, https://asof.is/claim/clm_BDF90BB1F2B3, accessed 2026-11-11. Source: https://www.wikidata.org/wiki/Q27986619.","url":"https://asof.is/claim/clm_BDF90BB1F2B3","accessed":"2026-11-11"},"confidence":0.85,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"sources":[{"url":"https://www.wikidata.org/wiki/Q27986619","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://news.ycombinator.com/item?id=12646083","tier":"secondary","publisher":null,"published_at":null}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"Show HN: A new decentralized microblogging platform ( github.com/gargron ) 364 points by gargron on Oct 5, 2016","url":"https://news.ycombinator.com/item?id=12646083"}}],"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.","citation":"citation: how to cite the row (plain: one sentence with the value, its as-of date, the claim id and URL, the day answered and the primary source; url: the claim page; accessed: the day answered). APA and BibTeX forms are on the claim page.","why_not":{"unverified":"Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it."},"checked_by":{"page-read":"its source page states the value and the date"}}}