{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001352},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001289","480:4800001633","480:4800001686","480:4800001915","480:4800001463","480:4800001411","480:4800001916","480:4800001743","480:4800001286","480:4800001964","480:4800001408","480:4800001791","480:4800002212","472:4720000875","480:4800001678","470:4700004200","477:4770003689","480:4800001349","470:4700004546","496:4960000933","470:4700003518","469:4690001084","493:4930005777","469:4690002171","469:4690004106"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,472,480,470,477,480,470,496,470,469,493,469,469],"twin_sims":[0.5441583861964591,0.3254279122622742,0.24663086393302464,0.21403921094339703,0.19042827624481534,0.17078246214319456,0.1579680745240288,0.15500190449061765,0.14365415463900946,0.13819904662382518,0.13174480351323614,0.1183389685398224,0.11625953924819854,0.11337821511382012,0.10712205148915878,0.10706729554319323,0.10392877765076516,0.10134853197860919,0.10022782738125506,0.09783911632407344,0.09647241889224256,0.09590168877848641,0.09542622264405064,0.09500975271072759,0.09402297469338511],"twin_dists":[0.14327633398976267,0.19460506111304016,0.21731091464520091,0.2280468820047198,0.2365341864489406,0.2441754125606254,0.24950523890612003,0.2507834229419724,0.2558459212864631,0.258385628103795,0.261489212383457,0.2683222093902459,0.2694343309713843,0.27100085005151797,0.27451094685286187,0.27454236109594565,0.2763642085154086,0.2778943734376007,0.278568478420639,0.28002522606123226,0.28087129527807697,0.28122740230905957,0.2815253446410373,0.28178727965150646,0.28241153450129136],"n_dims_used":43,"mean_confidence":0.9229033714117005},"coverage":{"mean_confidence":0.9229033714117005,"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}}