{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870007970},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["469:4690005747","487:4870006959","487:4870008260","469:4690005657","478:4780000276","469:4690002432","487:4870007980","487:4870007536","487:4870004898","487:4870005314","469:4690002538","469:4690005469","487:4870007969","487:4870008118","469:4690002934","466:4660010265","487:4870004753","487:4870005330","469:4690003743","487:4870007837","487:4870006941","487:4870004872","469:4690005470","487:4870006802","487:4870005016"],"twin_admin_codes":[469,487,487,469,478,469,487,487,487,487,469,469,487,487,469,466,487,487,469,487,487,487,469,487,487],"twin_sims":[0.7888385780025305,0.782540070235332,0.7784807921916783,0.7661712950864,0.7555593883875954,0.7188345690199957,0.7153633921142319,0.7145881829998775,0.7124433683778516,0.6866540243757817,0.6571582360352021,0.6554202742003711,0.6539386873544324,0.6524020734009678,0.6467019111868916,0.6454154456589624,0.6434518531891931,0.6417043789202135,0.6415765554182721,0.6380867125313388,0.637535347627221,0.6335898199407874,0.612527220216534,0.6078205946568163,0.603057094320861],"twin_dists":[0.08945205034001916,0.09095112291362963,0.09191058096754516,0.09479049609408188,0.0972406795792712,0.10553035879337748,0.10630123642106384,0.10647314040377677,0.10694828542177191,0.11261319618151754,0.11900790435871612,0.11938264763012323,0.11970196653317645,0.12003300981440711,0.12125990988725951,0.12153657959860548,0.12195872356288612,0.12233425977469904,0.12236172415556251,0.12311129927048198,0.12322968194329284,0.12407650150302905,0.12859042086874872,0.12959827720492637,0.13061827896705308],"n_dims_used":42,"mean_confidence":0.9142941066196987},"coverage":{"mean_confidence":0.9142941066196987,"n_dims_used":42,"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}}