{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001237},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001414","480:4800001646","480:4800001356","480:4800001698","480:4800001473","480:4800001927","480:4800001584","480:4800001875","480:4800001236","480:4800001427","480:4800002513","480:4800001923","480:4800001246","480:4800002369","480:4800001229","480:4800001530","480:4800001486","480:4800002332","480:4800001238","480:4800001310","480:4800002380","480:4800002473","480:4800002270","480:4800002098","480:4800002149"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7325334648824332,0.6607611232165602,0.656855238749829,0.6534007363090216,0.6446505754900206,0.6342914831757198,0.6010218340027739,0.5875617981424288,0.5821969364458655,0.5763004645429711,0.5566325759482283,0.555129925838237,0.5547620804511842,0.551773816251639,0.5416751699054364,0.5383707355932909,0.4915733774253372,0.4868636976782196,0.4836238328999168,0.4804326906866056,0.47970569054323053,0.4672200922719744,0.4639428735126959,0.456716054220342,0.42516349720913893],"twin_dists":[0.10246862535361491,0.11823043062848024,0.11907325074701823,0.11981787645363684,0.12170103675710017,0.12392594417864924,0.1310541070507402,0.13393754446533576,0.1350877615876258,0.13635288740504617,0.1405827472046021,0.14090670740887073,0.14098603210185617,0.14163074192762157,0.14381378821384969,0.14452969060520535,0.15477901290110216,0.15582460670550083,0.15654567518649234,0.1572573732313773,0.1574197198706079,0.16022057520803498,0.16095990816611228,0.16259677989826654,0.1698608837065947],"n_dims_used":43,"mean_confidence":0.9130460162495457},"coverage":{"mean_confidence":0.9130460162495457,"n_dims_used":43,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}