{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003444},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003987","490:4900003036","490:4900002143","490:4900003700","490:4900001832","490:4900002138","490:4900002749","490:4900004135","490:4900003445","490:4900003584","490:4900006752","490:4900003848","490:4900003994","490:4900003046","490:4900003310","490:4900004420","490:4900001680","490:4900001146","490:4900003720","490:4900003844","490:4900001976","490:4900003442","490:4900004817","490:4900001973","490:4900005891"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7713284947255504,0.6674306030984847,0.6568539512415414,0.6565569669548408,0.6389012929579397,0.5620184688014593,0.5466882112023372,0.5317164302214167,0.5270733262767958,0.5096762787128467,0.5081185569046659,0.5070076823675955,0.5044563834511224,0.4987278776238039,0.4956964413543204,0.49419500737043065,0.49405136384913406,0.49262407731536545,0.48506826834734373,0.4849335965537453,0.4793275306145845,0.4729408628088222,0.46188852264649716,0.450024915920793,0.44691331602991996],"twin_dists":[0.093589133091444,0.11678884966654367,0.11907352840730417,0.1191375724213812,0.12293638082052052,0.1394226142353253,0.14272924148815783,0.14597395024094473,0.14698390980976692,0.15078640543568794,0.15112842679654523,0.15137250337187758,0.15193360088018343,0.15319626643514,0.15386608805170418,0.15419827703148528,0.15423007315756998,0.15454615603993127,0.15622401617483306,0.15625399346016725,0.15750419792756995,0.15893421084637913,0.16142429228809627,0.16412069219621597,0.16483222821724694],"n_dims_used":45,"mean_confidence":0.9213383992513021},"coverage":{"mean_confidence":0.9213383992513021,"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}}