{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004581},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004157","480:4800004402","480:4800004667","480:4800004403","480:4800003908","480:4800004238","480:4800005184","480:4800004405","480:4800004925","480:4800004159","480:4800004322","480:4800004237","480:4800004991","480:4800004910","480:4800005180","480:4800005258","480:4800003831","480:4800004065","480:4800005814","480:4800003642","480:4800005257","480:4800005090","480:4800003992","480:4800004239","480:4800002864"],"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":[0.5662501069632953,0.5136762759026402,0.45834579927596975,0.4078253572960964,0.3710744994114505,0.3665042383066943,0.3598930841117845,0.3362194502216426,0.3321976762571046,0.3320085863707176,0.3261998465470434,0.31865546214230894,0.3022008036321768,0.22270155296166944,0.21333843943747535,0.20374538259873226,0.1965299338319471,0.19418541711581375,0.1833644339506792,0.174198211216523,0.1718426905058659,0.1689191613211167,0.16505019640509322,0.162402781669021,0.16073103462587585],"twin_dists":[0.138512150021085,0.14990937033223423,0.16222684120321457,0.17394613696266376,0.18287438624859836,0.18401388024889898,0.1856749443976074,0.19175660901324332,0.19281223219817373,0.192862034838434,0.19439959801259002,0.1964194211283863,0.20092079085708628,0.22509333674657578,0.22828931279862405,0.23166377384508843,0.2342743180506128,0.2351368046955351,0.2392145390205334,0.2428035744998999,0.24374751676615009,0.24493205917819683,0.24652255256843375,0.2476264589725015,0.24833026977037223],"n_dims_used":43,"mean_confidence":0.9186206196629724},"coverage":{"mean_confidence":0.9186206196629724,"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}}