{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005311},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005838","490:4900005178","490:4900004641","490:4900005967","490:4900005579","490:4900005321","490:4900005059","490:4900004900","490:4900005060","490:4900006553","490:4900004085","490:4900007046","490:4900004625","490:4900006458","490:4900006449","490:4900002675","490:4900006448","490:4900005040","490:4900005192","490:4900004639","490:4900006185","490:4900004346","490:4900005428","490:4900002234","490:4900003516"],"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":[0.17862129142040814,0.12501669492844367,0.09097134606026584,0.0611776678783639,0.05266847644240769,0.034144881694020565,0.031413530798763266,0.026224706207868913,0.024581393113007555,0.023577267877233642,0.02305245630763714,0.02293227968288361,0.021348178783002453,0.019389517304998185,0.0187960190563753,0.01852800116767338,0.0178400482787041,0.017155088601263167,0.01486438958170852,0.014766482095701687,0.014321460972516848,0.012299794102318136,0.010988116580155688,0.010919304777281221,0.01089668320660699],"twin_dists":[0.241055403692739,0.26484894986519686,0.28437534950570226,0.30700818283361975,0.31512904528722757,0.33753090381419143,0.34167193717884453,0.35047122279267195,0.3535719557926106,0.3555560371628288,0.35662233320376296,0.356869463501856,0.3602367518025377,0.36471488032650873,0.3661497955144061,0.36681080833353064,0.3685466084203776,0.3703341087442779,0.37680556813841637,0.3771012761218608,0.3784675418008288,0.38518998421965506,0.39009682232912724,0.39036835822820165,0.39045795683733564],"n_dims_used":45,"mean_confidence":0.9154479132758246},"coverage":{"mean_confidence":0.9154479132758246,"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}}