{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008994},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009435","490:4900008211","490:4900008444","490:4900007767","490:4900009760","490:4900006556","490:4900011568","490:4900004886","490:4900010226","490:4900007991","490:4900009842","490:4900009930","490:4900008114","490:4900009326","490:4900010042","490:4900008443","490:4900007427","490:4900008900","490:4900008777","490:4900008457","490:4900010592","490:4900007879","490:4900009455","490:4900007764","490:4900008697"],"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":[0.0036837288703434694,0.0029405986395192986,0.0021619815481884164,0.0012975832182038041,0.0008103238556030895,0.0004495995010373439,0.0003191204000871088,0.00026219631153732715,0.00026045698895864566,0.00021344848837922522,0.00013901156529027312,0.000130282527262502,0.0001257526544097569,0.00006609959908505402,0.00006375818144604173,0.00005323090511493977,0.00004552120664158253,0.00004359314518673987,0.00003598288954477404,0.00003329295512965746,0.000023123418686226377,0.000019107864222005606,0.000018161525674203227,0.000014323759172100167,0.000012377383528211531],"twin_dists":[0.434791765686716,0.4434464322965469,0.4549957659283332,0.473543532303932,0.4900271825159993,0.5099009776286157,0.5211169773855882,0.5274380917401729,0.5276508990946418,0.533975761025972,0.5473544335309531,0.5493492828703328,0.5504347881632803,0.5698026965211053,0.5708693046327488,0.5761766077914068,0.5807388857953355,0.5819945355810985,0.5875286115618874,0.5897550200361477,0.6000894122259702,0.6054271806782792,0.6068406835689043,0.613403429629188,0.6174064199682281],"n_dims_used":45,"mean_confidence":0.8854870266384549},"coverage":{"mean_confidence":0.8854870266384549,"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}}