{"count":2,"since":null,"types":["price_drop","price_increase","new_price","new_product","new_ai_agent","new_integration","new_alternative","security_certification","product_change","documented","research_update","funding","acquisition","source_changed"],"statement_id":"st_69367a1b3804b8a8856a","contract":"A change to a state that describes our research (unknown, estimated) is a research_update, never a change to the product. source_changed is a hash difference of the page text and carries no judgement.","changes":[{"id":"75852","type":"documented","label":"First documented","material":true,"sentence":"AppNexus: Headquarters documented as US (verified). A first finding of ours, not a change at the vendor.","noticed_at":"2026-09-04T12:50:50.158Z","subject":{"kind":"organization","slug":"appnexus","name":"AppNexus"},"before":{"value":null,"verification_state":"unknown","confidence":0},"after":{"value":"US","verification_state":"verified","confidence":90},"claim_id":"e95ade37-f661-4f76-8c32-09568ede872d","statement_id":"st_69367a1b3804b8a8856a","corrected":null},{"id":"3857","type":"documented","label":"First documented","material":true,"sentence":"AppNexus: Headquarters documented as US (verified). A first finding of ours, not a change at the vendor.","noticed_at":"2026-09-02T01:50:18.110Z","subject":{"kind":"organization","slug":"appnexus","name":"AppNexus"},"before":null,"after":{"value":"US","verification_state":"verified","confidence":90},"claim_id":"f8710a05-7f44-4ed4-92bd-4b6ff3caf2c0","statement_id":"st_69367a1b3804b8a8856a","corrected":null}]}