{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001264},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001335","480:4800001379","480:4800002055","480:4800002482","480:4800002001","480:4800001436","480:4800001446","480:4800001562","480:4800001999","480:4800001259","480:4800002211","480:4800001388","480:4800001614","480:4800002483","480:4800002435","480:4800001507","480:4800001273","480:4800002155","480:4800001611","480:4800001397","480:4800002389","480:4800002103","480:4800001336","480:4800002255","480:4800001459"],"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":[0.2826549335039908,0.2783103858620584,0.2469079465238152,0.24114664565388208,0.21071434514760765,0.19428837399952661,0.1922974267464688,0.1875990126582141,0.18660272576152948,0.17791492156271876,0.17281249137193735,0.16803740469027367,0.16500392632004482,0.16368335608658122,0.16313941630804404,0.15994111307449604,0.15820596596723832,0.15373431985255126,0.15337429279546638,0.14785756356622232,0.1428317712044619,0.13762118874535156,0.13294924044360662,0.1293704509046317,0.12294047749832585],"twin_dists":[0.20645782844187888,0.20771947764978985,0.21722374380389228,0.21904941061261038,0.22920193274394182,0.23509877823798575,0.235836621375016,0.2375992253977258,0.23797694301715688,0.24133250613201443,0.24335776890305844,0.2452922135365838,0.24654173568976911,0.2470908778380575,0.24731800042910018,0.24866467981118956,0.24940348776771928,0.2513351105776625,0.2514924117596847,0.25393739655999814,0.2562241465622163,0.2586590134243875,0.2609015131593603,0.2626597298840364,0.26591337202107856],"n_dims_used":43,"mean_confidence":0.919329798498819},"coverage":{"mean_confidence":0.919329798498819,"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}}