{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001970},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002115","491:4910002517","491:4910001391","491:4910001752","491:4910001917","491:4910001910","491:4910001450","491:4910001918","491:4910002018","491:4910002116","491:4910002062","491:4910001451","491:4910001460","491:4910001516","490:4900006307","491:4910001753","491:4910002017","491:4910002366","491:4910001517","491:4910001812","491:4910002568","491:4910002015","497:4970002639","491:4910001508","497:4970000147"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,491,497,491,497],"twin_sims":[0.09517285141206659,0.02212373123428687,0.017724881800703536,0.016569697545977948,0.01518052679167482,0.009870778416072182,0.007871413266081219,0.0072833290992854564,0.006658117632323575,0.005588699493283499,0.005173744081609049,0.004885316865971745,0.0045330489476163366,0.003856602475929203,0.003817287679582183,0.0034552732394076227,0.0027912300690514885,0.0024394863196162504,0.0022766558628212583,0.0018352636095195953,0.001829742392217095,0.0017085284773726247,0.001550415752827953,0.0013189067938267985,0.0011286868081226379],"twin_dists":[0.28168459269985036,0.35856200599204174,0.36884289799803294,0.37191208406075793,0.3758623222088044,0.39470634729564996,0.4042631125980436,0.40749006642479785,0.4111883891545841,0.4183091177080502,0.42140853666223327,0.42369831751839826,0.42666726275615974,0.43300896809191025,0.43340792411333995,0.43726846835445754,0.44542491899249714,0.45049668028663625,0.45307576799955396,0.46102944766281667,0.46113966694786196,0.4636400168448353,0.46715952939408373,0.47296258756657583,0.4784848417384404],"n_dims_used":44,"mean_confidence":0.8942271145907316},"coverage":{"mean_confidence":0.8942271145907316,"n_dims_used":44,"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}}