{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000527},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000582","477:4770000431","477:4770000579","477:4770001042","477:4770000529","477:4770000476","477:4770000532","477:4770000539","477:4770000798","477:4770000804","477:4770001693","489:4890004036","477:4770001280","477:4770000799","477:4770000591","477:4770000742","477:4770000983","477:4770000472","477:4770000681","477:4770000367","477:4770000487","477:4770000368","489:4890003913","477:4770000485","477:4770001281"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,489,477,477,477,477,477,477,477,477,477,477,489,477,477],"twin_sims":[0.9003710516879669,0.8514553163110662,0.8435246094677094,0.8303835937216544,0.8176439403281703,0.7977561629366753,0.7958265380564233,0.762445790726039,0.7547876286782288,0.7415526939506558,0.739455381769715,0.7282977936944752,0.7270632106749488,0.7203282454516702,0.6720631027897502,0.6646329097230574,0.6620115376059021,0.6471357570828603,0.6446535653930672,0.6307503287282791,0.6228240115561611,0.6208873595052625,0.6022100367932659,0.5998713152631568,0.5747470051106718],"twin_dists":[0.05950131876620024,0.07365343667642996,0.07576619839387383,0.07918457690830112,0.08241215610152501,0.08730662821633106,0.08777325528732421,0.09565392514088922,0.09741778823246608,0.10043405899451073,0.10090860444822242,0.10341879526443815,0.10369513799002712,0.10519805803338872,0.11578556958144687,0.11739395155395604,0.11796039968583127,0.12116658804259423,0.12170039394168168,0.12468561856444606,0.12638479814645578,0.12679975488745077,0.13079966421164418,0.1313004887632968,0.13668638254946433],"n_dims_used":45,"mean_confidence":0.920731947157118},"coverage":{"mean_confidence":0.920731947157118,"n_dims_used":45,"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}}