{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002273},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002229","480:4800002226","480:4800002324","466:4660010132","480:4800002180","473:4730005108","491:4910005038","487:4870001320","487:4870001138","480:4800002277","484:4840008605","475:4750000086","470:4700007169","478:4780004503","480:4800002272","496:4960006939","500:5000011511","492:4920003082","475:4750000153","475:4750000130","487:4870001230","489:4890000077","480:4800002227","475:4750006399","466:4660011135"],"twin_admin_codes":[480,480,480,466,480,473,491,487,487,480,484,475,470,478,480,496,500,492,475,475,487,489,480,475,466],"twin_sims":[0.37767190920960786,0.06965253369088881,0.025717381676577836,0.005323544698824484,0.0014479511719617485,0.0013933797478247387,0.00048219336623539196,0.00032349250405927423,0.00016923858888121999,0.00010721702488761119,0.00005663963370669256,0.00004624734572282699,0.000039098885351256294,0.00003567078570759785,0.000032756988022222376,0.000012081747236888056,0.000009167886795075622,0.000006790605246951738,0.000005053567310610844,0.000004304164358137547,0.00000411806061498597,0.000003735120333494805,0.000002525874310464865,0.000002422641373681998,0.0000018457805925229343],"twin_dists":[0.18124164323615283,0.2997955668798565,0.3514101334048132,0.42026452567136896,0.4696217536976526,0.47099956500889806,0.5075805134164408,0.52067634759777,0.5412573154034386,0.5552997970630832,0.574356659398194,0.5802790489682998,0.5851394559235381,0.5877786574084706,0.5902190119967513,0.6180665239034737,0.6255530771229357,0.6335950651519711,0.6414121118758573,0.6456193236095014,0.6467730750533867,0.6493134843769446,0.659397298426788,0.6604638596248316,0.6673731239694026],"n_dims_used":42,"mean_confidence":0.8878747849237352},"coverage":{"mean_confidence":0.8878747849237352,"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}}