{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000335},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000397","480:4800000434","480:4800000530","480:4800000582","480:4800000565","480:4800000337","480:4800000532","480:4800000683","480:4800000967","480:4800000528","480:4800000874","480:4800000646","480:4800000798","480:4800000640","480:4800000681","480:4800000471","480:4800000581","480:4800000447","480:4800000336","480:4800000751","480:4800000537","480:4800000651","480:4800000429","480:4800000538","480:4800000544"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6067132369940632,0.5021541772079008,0.49140566888721066,0.48161357451805265,0.4428951032586659,0.42415797971044217,0.40188275682269686,0.3985288523460537,0.36979906453279915,0.3580420812873947,0.35169210347019875,0.34960246163316533,0.3403401217315174,0.33968679916666,0.32933626760543694,0.3246745478370702,0.321847764242915,0.3089391197843427,0.30301014752812394,0.3017456233683005,0.2789552134231417,0.2773790020650444,0.27453046946148774,0.26928049118956676,0.255812057363242],"twin_dists":[0.12983539260611277,0.15244057219507465,0.15481619418414147,0.1569938358885711,0.16575387066173758,0.17009584794510682,0.1753637335707316,0.176167968698234,0.1831916809574531,0.18614278768606984,0.18775729566106222,0.18829190394226283,0.19068209230925315,0.19085198552445762,0.19356753963909773,0.19480584232407971,0.19556153632999718,0.1990608636857694,0.20069613266729447,0.2010472939663974,0.20753146866515612,0.20799150537318023,0.20882695053232708,0.2103807731897039,0.21445516644393853],"n_dims_used":43,"mean_confidence":0.9127174200013627},"coverage":{"mean_confidence":0.9127174200013627,"n_dims_used":43,"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}}