{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000618},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000606","480:4800000400","480:4800000502","480:4800000995","480:4800000398","480:4800000501","480:4800000579","480:4800000615","480:4800001032","480:4800000506","480:4800000543","480:4800000324","480:4800001081","480:4800000569","480:4800000614","480:4800001189","480:4800001146","480:4800000993","480:4800000469","480:4800000503","480:4800000367","480:4800000339","480:4800000959","480:4800000402","480:4800000514"],"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":[0.581625634945046,0.5293649283966666,0.49606302823617154,0.4065091565452481,0.3953597302315476,0.3919631005121963,0.35166002561731585,0.31034460228859323,0.30550204406439396,0.2914145820865519,0.2726681320408393,0.26642484705681363,0.25292241192302345,0.25284960909215415,0.24709607005532697,0.23942144699950216,0.23823682554672834,0.23568316579473872,0.23388390176585194,0.22968278694354155,0.228363901817501,0.2242221456156099,0.22051770579660931,0.21286207306127314,0.19832697769290716],"twin_dists":[0.13521029185736458,0.1464852078732019,0.15378502559232396,0.1742593153525534,0.1769307381319179,0.17775140408271217,0.18776548981040703,0.19867587452656774,0.20000661004587383,0.2039491275853564,0.20937603053508339,0.21123382276463837,0.21534682242527134,0.21536937052531271,0.21716459551453257,0.2196015829049449,0.21998223582528975,0.22080701728933025,0.22139165878673758,0.22276833707832558,0.2232039474749875,0.22458284470151732,0.2258305812520789,0.2284544186256413,0.23361804638051478],"n_dims_used":43,"mean_confidence":0.9144103471622911},"coverage":{"mean_confidence":0.9144103471622911,"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}}