{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004644},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004782","490:4900006452","490:4900006336","490:4900005458","490:4900006451","490:4900007331","490:4900006959","490:4900007320","490:4900005329","490:4900004234","490:4900007192","490:4900005326","490:4900005454","490:4900006836","490:4900006100","490:4900005843","490:4900001380","490:4900007453","490:4900007202","490:4900006340","490:4900007452","490:4900003812","490:4900007678","490:4900006945","490:4900006708"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.0715086616320832,0.053656671348899454,0.014899670183869484,0.012233792365316857,0.011683808189070062,0.011204408011680593,0.010984447856775806,0.00842659287660739,0.008287565021172566,0.006815109597396823,0.006684172734197488,0.0038407006218083924,0.0026320359232893252,0.0012797367236249628,0.0012707785879172678,0.00113888977429572,0.0010335704018620004,0.0008706627347844913,0.0008340154573722739,0.0008331862389862279,0.0006685662205389753,0.0005510338435800765,0.0005203594861176051,0.0004699410880672951,0.00040526737321620665],"twin_dists":[0.2983122093275993,0.31413250328025405,0.3766994314410195,0.3854255245668615,0.3874333070459504,0.3892530572105994,0.39011126114115857,0.40140936042884273,0.40210781772297893,0.4102312655195763,0.41102814418025646,0.4331698880460508,0.44764318730067937,0.4740365735824566,0.47428646012748615,0.47816750455928947,0.4815782436988189,0.48754875171643586,0.4890342247196209,0.4890685334001046,0.49660224085731236,0.5031262652458252,0.5050428125910676,0.5084350877551045,0.5133235025651478],"n_dims_used":45,"mean_confidence":0.9128831651475694},"coverage":{"mean_confidence":0.9128831651475694,"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}}