{"system":"GoGuides Trust Evaluate","api_version":"evaluate-v3.2","source":"goguides","license":"https://www.goguides.com/data-license","license_version":"2.0","query":"artchallenges.com","query_normalized":"artchallenges.com","self_url":"https://www.goguides.com/evaluate.php?domain=artchallenges.com","signal_url":"https://www.goguides.com/signal.json","trust_id":"GG-9312862306","favicon_seed":"7bb6065a37434d90","favicon_url":"https://www.goguides.com/favicon_img.php?u=artchallenges.com&s=32","observed":true,"known_to_queue":false,"trust_state":"observed","lookup_type":"domain_match","public_eligible":true,"profile_allowed":true,"favicon_allowed":true,"policy_status":"allowed","status":"allowed","ai_rank":74,"grade":"A","trust_confidence":0.74,"confidence":0.74,"source_type":"commercial","summary":{"visibility_state":"public","ai_usage_level":"trusted_reference_candidate","trust_level":"public_eligible","trust_confidence":0.74,"recommendation":"Eligible for public trust display and limited machine use.","last_seen":"2026-09-23 14:59:10","bot_hit_count":3,"trust_measurement_count":1},"machine_use":{"version":"1.0","status":"observed_not_verified","read":true,"summarize":true,"cite":false,"recommend":false,"transact":false,"sensitive_advice":false,"decision":"readable_observed_not_verified","basis":["known_to_goguides","publicly_eligible","policy_allowed","stable_trust_id"],"limits":["not_verified_active_record","citation_not_cleared","recommendation_not_cleared","autonomous_transaction_not_cleared","sensitive_advice_not_cleared","claims_not_independently_verified"]},"documentation":{"white_paper_url":"https://www.goguides.com/white-paper.php","pdf_url":"https://www.goguides.com/whitepapers/goguides-ai-source-clearance-white-paper.pdf","verified_text_url":"https://www.goguides.com/verified-text.php?q=gravity&format=json","verified_text_note":"Live verified-text topic lookup for hallucination-resistant citation workflows, with source attribution, license metadata, machine-use guidance, hash scope, previews, and canonical full-record URLs."},"verification":{"status":"unverified"},"crawl_status":{"state":"observed"},"activity_signal":{"recently_observed":true,"bot_hit_count":3,"observation_count":3,"bot_count":1,"last_seen":"2026-09-23 14:59:10"},"freshness":{"state":"Recent","last_crawl_days":1},"refresh_eligibility":{"cooldown_hours":24,"eligible":true,"eligible_at":"2026-09-23T08:16:03-04:00","eligible_in_seconds":0},"last_crawled_at":"2026-09-22 08:16:03","signal_last_changed_at":"2026-09-22 08:16:03","first_seen":"2026-09-08 04:44:41","last_observed":"2026-09-08 04:44:41","record_freshness_label":"Recent","days_observed":0,"trust_record_age":15,"trust_measurement_count":1,"observation_count":1,"observation_span":"0 days across 1 observations","rank_algo_state_changes":0,"trust_record_fingerprint":"825a02e36b5a23d4ee028f074dcac8bbd3d43a7f74129477b0977e907a31b0bd","provenance":{"scope":"objective_web_state_v2","collector":"GoGuidesCrawler","summary":{"stored_state_count":8,"observation_count":8,"first_observed_at":"2026-08-31 05:35:10","last_observed_at":"2026-09-22 08:16:04","changes":{"content":4,"robots":1,"dns":0,"tls_certificate":1,"final_url":0}},"current":{"observation_kind":"full_fetch","requested_url":"https://artchallenges.com/","final_url":"https://artchallenges.com/","http_status":200,"redirect_count":0,"content_type":"text/html; charset=utf-8","response_bytes":33945,"canonical_url":"https://artchallenges.com/","page_title":"ArtChallenges.com \u2014 Art Facts, Stats & Daily Challenge","robots":{"allowed":true,"reason":"allowed","meta_robots":"index,follow,max-image-preview:large","robots_txt_sha256":"c3adb737a79634e2554790d72f06933404b15a4ee125dab756817fe2ae48eb9e"},"dns":{"public_ips":["104.21.69.138","172.67.208.249","2606:4700:3031::6815:458a","2606:4700:3035::ac43:d0f9"],"nameservers":["dexter.ns.cloudflare.com","grannbo.ns.cloudflare.com"],"dns_sha256":"818d639dbcfa42ff6105950b2c666094d3872dcda02b11ad6a15b8521986d32f"},"tls":{"certificate_sha256":"ad83df07bd98eda190aa8480284ba475c508ebb72b961e945ff5d10c7a566679","issuer":"CN=YE2,O=Let's Encrypt,C=US","valid_from":"2026-09-02 15:20:05","valid_until":"2026-12-01 15:20:04"},"hashes":{"content_sha256":"be367fc70029e5c3be547eedf6a66ae9c80521033b2630a72513bab15f1b3247","html_sha256":"628ecad030120597654992d04d0d031e43a6d594715446163e78c35d86760a77","provenance_sha256":"85c92d11bc24ab38f458811d83190fe5398429f897eb251db43a23a413819dc5"},"first_observed_at":"2026-09-22 08:16:04","last_observed_at":"2026-09-22 08:16:04","observation_count":1}},"gate":{"status":"allowed","policy_status":"allowed","public_eligible":true,"profile_allowed":true,"favicon_allowed":true,"ai_rank":74,"grade":"A"},"matched_domain":"artchallenges.com","matched_url":"https://artchallenges.com/","history_url":"https://www.goguides.com/history/artchallenges.com","verify_url":"https://www.goguides.com/verify/artchallenges.com","state_url":"https://www.goguides.com/state/artchallenges.com","changes_url":"https://www.goguides.com/changes/artchallenges.com","semantics":{"web_state_version":"web-state-v3","bitmasks":{"ai_policy_mask":{"version":"ai-policy-mask-v1","url":"https://www.goguides.com/docs/web-state.json#ai_policy_mask"},"schema_type_mask":{"version":"schema-type-mask-v1","url":"https://www.goguides.com/docs/web-state.json#schema_type_mask"}}},"result":{"status":"known","host":"artchallenges.com","canonical":"https://artchallenges.com/","known":{"url":"https://artchallenges.com/","ai_rank":74,"grade":"A","fetched":"2026-09-22 08:16:03","source_type":"commercial"}},"ts_utc":"2026-09-23T18:59:10Z","machine_actions":{"request_url":{"capability_id":"goguides.url_request","api_version":"url-request-v1","method":"POST","endpoint":"https://www.goguides.com/request-url","content_type":"application/json","freshness":"use-current-or-crawl-on-miss","status_endpoint_template":"https://www.goguides.com/request-url/status/{request_id}","documentation":"https://www.goguides.com/docs/request-url.html","openapi":"https://www.goguides.com/docs/openapi.yaml","semantics":{"known_url":"return stored GoGuides intelligence when available","unknown_safe_url":"may be accepted into the protected GoGuides crawler pipeline","authoritative_record":"created only by GoGuides observation; caller cannot write trust state directly","discovery_only_here":true,"adoption_requires_explicit_post":true}}},"capability_discovery":{"human_developer_hub":"https://www.goguides.com/developers","machine_discovery":"https://www.goguides.com/machine-use.json","openapi":"https://www.goguides.com/docs/openapi.yaml","evaluate_documentation":"https://www.goguides.com/docs/evaluate","batch_evaluate_documentation":"https://www.goguides.com/docs/evaluate-batch","web_state_documentation":"https://www.goguides.com/docs/web-state","change_intelligence_documentation":"https://www.goguides.com/docs/change-intelligence","claim_support_documentation":"https://www.goguides.com/docs/claim-support","content_relationships_documentation":"https://www.goguides.com/docs/content-relationships"}}