{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001704},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001821","480:4800001648","480:4800001982","480:4800001583","480:4800002199","480:4800002424","480:4800001938","480:4800002195","480:4800001361","480:4800002152","480:4800001529","480:4800001313","480:4800002370","480:4800001807","467:4670000024","476:4760000424","500:5000008456","480:4800001314","476:4760000544","473:4730009494","480:4800001816","480:4800002333","480:4800001865","480:4800002476","473:4730009741"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,467,476,500,480,476,473,480,480,480,480,473],"twin_sims":[0.5906040331848165,0.44594253017343255,0.34320165463179253,0.3146603331341225,0.26561013377338333,0.2593245382400849,0.24964930122644402,0.1810092335714777,0.18001766471005431,0.17684884394809128,0.13886803103096929,0.13150439221409016,0.130882674778686,0.11339324037641102,0.10092096958195608,0.09891233408345555,0.0980481207305381,0.09755419154745316,0.08342955441951268,0.08278155220515264,0.08041112350966617,0.07735939376718053,0.0748310809902276,0.07458093393307484,0.07446290836397662],"twin_dists":[0.13328558447431882,0.16505460270958786,0.18994001373329727,0.19749990092045677,0.21147823784233732,0.21337986646911916,0.21636467028102443,0.24012435161427578,0.24050989866010242,0.2417522025555353,0.2580701956170858,0.26160700390940844,0.2619123739007484,0.2709926020766751,0.27815086158784946,0.2793673179730918,0.2798966590027769,0.280200842517339,0.28946297200245136,0.28991697933799315,0.2916023688742749,0.29383185088379987,0.29573318852700414,0.2959241069071233,0.2960143664794651],"n_dims_used":42,"mean_confidence":0.9113871256510416},"coverage":{"mean_confidence":0.9113871256510416,"n_dims_used":42,"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}}