{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730001321},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700004147","473:4730006141","499:4990000630","472:4720004230","490:4900005259","473:4730002002","484:4840006558","466:4660000274","496:4960006481","487:4870001245","478:4780006986","490:4900005406","493:4930004215","494:4940008724","487:4870006938","500:5000000551","500:5000001650","478:4780005464","485:4850000923","499:4990001152","500:5000001909","493:4930003216","466:4660010113","487:4870005005","484:4840003687"],"twin_admin_codes":[470,473,499,472,490,473,484,466,496,487,478,490,493,494,487,500,500,478,485,499,500,493,466,487,484],"twin_sims":[0.0005289632790910439,0.00024129880312943945,0.000152959274554246,0.00014793744505272542,0.0001364105908246072,0.00011001500537135944,0.00009446892411207769,0.00009362636916850603,0.00006689181588860896,0.00003088040080183788,0.000018427693239504255,0.000015651027330955844,0.000012715398808635739,0.000010939495419733252,0.00000899248146946156,0.000007739515107605218,0.0000070634216999724515,0.000006910913244424762,0.000006358455203222379,0.000006232659572300841,0.000004680395348074295,0.000004515002570326118,0.000004501023947922555,0.000004391641786923733,0.00000415510118340931],"twin_dists":[0.5044948186447641,0.5300876017814782,0.5443999823214986,0.5454332966621233,0.5479361728875358,0.554516725712718,0.5591316034586733,0.5594018013356774,0.5694499089849803,0.5919025691861366,0.6064361473287786,0.6109617799192847,0.6166699086138419,0.620771000333674,0.6260737493950895,0.6301033521072976,0.6325455797305284,0.6331273696644186,0.6353431539275205,0.635873432353213,0.6434262600510338,0.644368700279721,0.6444498646533785,0.6450934530171658,0.6465395071256604],"n_dims_used":45,"mean_confidence":0.9076547410753039},"coverage":{"mean_confidence":0.9076547410753039,"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}}