{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011990},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010439","490:4900010543","490:4900010615","490:4900010861","490:4900010701","490:4900009774","490:4900010870","490:4900010183","490:4900010619","490:4900010453","490:4900011110","490:4900010272","490:4900010883","490:4900010692","490:4900011539","490:4900010879","490:4900012128","490:4900010532","490:4900011986","490:4900012053","490:4900010523","490:4900010784","490:4900011798","490:4900010270","490:4900010884"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3656091880130323,0.3082084404962688,0.284800896742205,0.2764929893632984,0.26688055545938383,0.26025972621604376,0.24758629429810816,0.23919933006452315,0.23231389685973775,0.2249376276644032,0.21998835589704344,0.21392172452212901,0.200114508272448,0.19951946691053074,0.1979625952501626,0.19537485846058428,0.19376236619921708,0.19364758417892283,0.19310716783029622,0.18926456056653237,0.189137299873514,0.16760835941189223,0.1663053234224165,0.16392093010788156,0.15342473930387585],"twin_dists":[0.1842378720623007,0.19926140833386274,0.2058389718731952,0.20825079932122398,0.21109731236352502,0.21309512054767904,0.21701059889948635,0.21967286195457997,0.2219042208059985,0.22434344097636377,0.22601001890780756,0.22808748877445809,0.2329693125328472,0.23318482044401187,0.23375078364358193,0.23469834275983198,0.23529320305912121,0.2353356779444256,0.235535893729906,0.2369709022184781,0.23701877402739102,0.24546794947075415,0.24600366427049578,0.24699184996271004,0.25147035463090667],"n_dims_used":45,"mean_confidence":0.9162151760525173},"coverage":{"mean_confidence":0.9162151760525173,"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}}