{"sources":[{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","type":"listing","url":"https://prod-jbhifi.myshopify.com/products.json","retrieval_at":"2026-10-05T19:02:44.519Z","source_hash":"192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","access_verdict":"permitted","robots_result":"allow"}],"summaries":[],"facts":[{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:0","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"What it is for","ordinal":0,"value_number":null,"unit":null,"value_text":"It is a drafting chair suited to drafting, architectural and laboratory workspaces, with an architectural gas lift, a foot ring and a one lever mechanism.","original_value":"by adding the additional features of an architectural gas lift, a foot ring and a 1 lever mechanism","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":307,"end":406,"summary_id":null,"excerpt_id":null,"span_sha256":"ad63f76c0a459cfe81935ee840f79412443a3e04e7b259bc0274c2401ae6f2d8","source_locator":"characters 307 to 406 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:1","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Gas lift","ordinal":1,"value_number":null,"unit":null,"value_text":"It has a drafting 270mm gas lift.","original_value":"Drafting 270mm gas lift","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":672,"end":695,"summary_id":null,"excerpt_id":null,"span_sha256":"97186e0b90e2f64d83e49a6bad26c15832d6382072fcac588798d8244ae65618","source_locator":"characters 672 to 695 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:2","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Foot ring","ordinal":2,"value_number":null,"unit":null,"value_text":"It has a height adjustable shiny black powder coat foot ring.","original_value":"Height adjustable shiny black powder coat foot ring","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":696,"end":747,"summary_id":null,"excerpt_id":null,"span_sha256":"98dfd54015239c819bc4ff39146a2ee9e6cabf03bae0ab6a4bbf4d9f59541d4e","source_locator":"characters 696 to 747 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:3","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Back/lumbar adjustment","ordinal":3,"value_number":null,"unit":null,"value_text":"Back/lumbar height is ratchet adjustable.","original_value":"Ratchet height adjustable back/lumbar","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":748,"end":785,"summary_id":null,"excerpt_id":null,"span_sha256":"c1e9054e65872e55d558596036b5b06f6bdf65d36d09f495547cc7b68a9a598b","source_locator":"characters 748 to 785 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:4","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Back depth adjustment","ordinal":4,"value_number":null,"unit":null,"value_text":"The back is depth adjustable.","original_value":"Depth adjustable back","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":786,"end":807,"summary_id":null,"excerpt_id":null,"span_sha256":"4edfb35f88783bbb3ce6412b0cb10e6c86d0ab5fd8213b0dede0926befa3ee3a","source_locator":"characters 786 to 807 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:5","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Foam","ordinal":5,"value_number":null,"unit":null,"value_text":"The seat uses AFRDI certified polyurethane moulded foam.","original_value":"AFRDI certified polyurethane moulded foam","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":808,"end":849,"summary_id":null,"excerpt_id":null,"span_sha256":"aaee900ab2cb4c63b6ac817c74bb940befcf9a4b6e4155a13d95878440f566a0","source_locator":"characters 808 to 849 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:6","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Base and castors","ordinal":6,"value_number":null,"unit":null,"value_text":"It has a D1 nylon base with 50mm twin wheel castors.","original_value":"D1 nylon base 50mm twin wheel castors","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":850,"end":887,"summary_id":null,"excerpt_id":null,"span_sha256":"c53c1d02e72532178b831f0e026273c6a548ccf01b2c32b9f8f4c531a1af271e","source_locator":"characters 850 to 887 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:7","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Weight rating","ordinal":7,"value_number":null,"unit":null,"value_text":"The weight rating is 130 kg.","original_value":"Weight Rating (KG) 130","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":888,"end":910,"summary_id":null,"excerpt_id":null,"span_sha256":"fba58a831ce2a73124d305de03d9b3945f3f69aee26e0570f52d812019b4627e","source_locator":"characters 888 to 910 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:8","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Seated hours","ordinal":8,"value_number":null,"unit":null,"value_text":"It is rated for 6-8 indicative seated hours per day.","original_value":"Indicative Seated Hours (per Day) 6-8 hours","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":911,"end":954,"summary_id":null,"excerpt_id":null,"span_sha256":"a36c2eaff7537e8d8681c39d49a7580910d2709de7fee05fae1bf3107f4d442b","source_locator":"characters 911 to 954 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:9","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Guarantee","ordinal":9,"value_number":null,"unit":null,"value_text":"There is a 10 year guarantee and a Jett fabric guarantee.","original_value":"Guarantee (years) 10, Jett fabric guarantee","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":955,"end":998,"summary_id":null,"excerpt_id":null,"span_sha256":"e8cc85b44563bfeecd5b8e94bb1af80940de61dbbfd241c87043ac14b6cd5cc6","source_locator":"characters 955 to 998 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:10","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Overall size","ordinal":10,"value_number":null,"unit":null,"value_text":"The overall product size is 600w / 590d / 1320h mm, with backrest height 420 mm and width 440 mm.","original_value":"Overall Product Size 600w / 590d / 1320h","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":1025,"end":1065,"summary_id":null,"excerpt_id":null,"span_sha256":"58a72d5fe17da07c145f0ba83c099d746337b8ee0435ced27db76b4a04afd3c2","source_locator":"characters 1025 to 1065 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:11","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Lumbar support","ordinal":11,"value_number":null,"unit":null,"value_text":"It has contoured lumbar support that is not adjustable.","original_value":"Contoured support Lumbar Support Adjustable No","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":1147,"end":1193,"summary_id":null,"excerpt_id":null,"span_sha256":"3e1a66c6339c12c4b26d2607ee778406471e8d891eda89ea314606a8feec5ed8","source_locator":"characters 1147 to 1193 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:12","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Certification","ordinal":12,"value_number":null,"unit":null,"value_text":"It has GREENGUARD Certification.","original_value":"International Standards GREENGUARD Certification","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":613,"end":661,"summary_id":null,"excerpt_id":null,"span_sha256":"4fb1ebb905bceb85c2db79f0454441a6ae04cb86ff2e6c31e72d2ba89618511d","source_locator":"characters 613 to 661 of the retained text"}},{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:fact:13","source_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing","field":"Options","ordinal":13,"value_number":null,"unit":null,"value_text":"A custom upholstery option is available.","original_value":"Custom Upholstery Option Yes","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:quick:source:0:listing:artefact:192d311848d995a9df6c7fd2e9254fe430fd7592a4f661899c0f6c92771aa60f","start":1237,"end":1265,"summary_id":null,"excerpt_id":null,"span_sha256":"12435945f01cdb6f4a4955b20e3564385f86accf1c886ad47f47bef8e45e7991","source_locator":"characters 1237 to 1265 of the retained text"}}],"facet_texts":[],"gaps":[{"id":"jbhifi-com-au--buro-roma-drafting-chair-1-lever-mid-back-black:pack:1:gap:facets:0","source_type":"facets","url":null,"reason":"embeddings skipped in the store-data batch","detail":"the store-data batch makes no embedding call of any kind; this pack has no facet texts and no vectors","recorded_at":"2026-10-06T12:54:03.026Z"}],"facet_check":null,"evidence_depth":{"note":"Store data: every fact here was written from the product data the store itself publishes (title, vendor, product type, variants, tags and description), as RoboTrunk holds it, and each fact's quote was found word for word in that text. No outside source was read and no web search was made. The grader then checked each fact against that text. The store's description was held only up to its first 1,200 characters, so anything later in it was not read. A deeper read with outside sources may follow later.","depth":"store_data","model":"deepseek-flash","sources":[{"url":"https://prod-jbhifi.myshopify.com/products.json","role":"the store's own product data","retained":true}],"batch_id":"store-data:jbhifi-com-au:2026-10-06T12-52-31-911Z:749","reasoning":"none","batch_size":10,"embeddings":"skipped in the store-data batch: no embedding call of any kind is made in this mode","merged_stores":[],"description_cut":true,"write_turn_timeout_minutes":10,"facts_dropped_quote_not_found":0}}