{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000559},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000666","490:4900001034","490:4900000657","490:4900000267","490:4900001318","490:4900004042","480:4800003970","480:4800004630","490:4900000938","490:4900001742","480:4800005722","490:4900000890","480:4800004711","480:4800004452","490:4900000767","480:4800004626","490:4900000923","490:4900002657","480:4800004450","490:4900004031","490:4900000935","490:4900000227","480:4800003888","490:4900000279","480:4800004537"],"twin_admin_codes":[490,490,490,490,490,490,480,480,490,490,480,490,480,480,490,480,490,490,480,490,490,490,480,490,480],"twin_sims":[0.7149297919984804,0.5891633940618844,0.5810939398942558,0.5670424511252374,0.4989817504299918,0.46975287346714245,0.4663009375215384,0.4338257260346118,0.4068700103884822,0.40160259836328216,0.39242538657108467,0.3904736775624968,0.3897853208878492,0.389120693402169,0.38378030937040775,0.37933453402761313,0.37347827746357126,0.34962323237902865,0.34877699504285664,0.33544780816072345,0.32900453845201866,0.31538332119668205,0.3132558874816106,0.30522839718467226,0.3044635900881729],"twin_dists":[0.1063973992681711,0.13359429459711802,0.1353243358690726,0.13834176598214756,0.1531402234859475,0.15965040501109493,0.16042775308294047,0.16784611927285703,0.1741734086466488,0.17543079621349644,0.177639516731863,0.17811230940534514,0.17827932423613857,0.1784407130852336,0.17974225536833785,0.1808323772045501,0.1822778537603235,0.18828658179493768,0.1885035500451424,0.19195861328811992,0.19365533661946277,0.19730379660644473,0.1978815773342497,0.2000821701022214,0.20029355871596324],"n_dims_used":45,"mean_confidence":0.9173390706380208},"coverage":{"mean_confidence":0.9173390706380208,"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}}