{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960001250},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960001365","496:4960002773","496:4960002483","496:4960002093","496:4960002348","496:4960001479","496:4960002094","496:4960002480","496:4960001364","496:4960002361","496:4960001254","496:4960003187","496:4960002783","496:4960002484","496:4960002349","496:4960001371","496:4960002356","496:4960001353","496:4960002224","496:4960002496","496:4960003458","496:4960002350","496:4960001730","496:4960003743","496:4960002347"],"twin_admin_codes":[496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496],"twin_sims":[0.935135206480991,0.9206496995727272,0.8985075412872615,0.8533957832285327,0.8415189754221006,0.8405177269529529,0.8110612020537215,0.7961024920117926,0.7897859942125969,0.7861117340118154,0.7772936812027368,0.7762539635895982,0.7739853407798448,0.7537207493076917,0.752760193070821,0.7515299932037937,0.7394394792038153,0.7344987379320891,0.7265169507992558,0.7262418796107839,0.724978277221419,0.7052064266849598,0.7005256544056094,0.6858172595934832,0.6783492678917086],"twin_dists":[0.047564624231713926,0.05281140079779258,0.06008577700809129,0.07313025822950311,0.07629431762604469,0.07655706885108797,0.08405032174712175,0.08770660633522293,0.08922542948696963,0.09010263647955781,0.09219021934604164,0.09243479207949205,0.09296733770980732,0.0976623914694833,0.09788239044846239,0.09816383532563475,0.1009121992227572,0.10202663993935915,0.1038173246614681,0.10387883254841034,0.10416121518254692,0.10854659394534927,0.10957655897371814,0.1127956852441288,0.11442126296058253],"n_dims_used":45,"mean_confidence":0.9330296834309896},"coverage":{"mean_confidence":0.9330296834309896,"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}}