{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870002178},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870003937","487:4870003506","487:4870003115","487:4870003791","487:4870002498","490:4900012555","487:4870004372","487:4870003353","487:4870002252","487:4870001343","487:4870002163","487:4870002990","487:4870002081","490:4900000627","487:4870003962","487:4870002494","487:4870002254","487:4870003504","494:4940004061","487:4870004532","487:4870001835","494:4940005342","487:4870003357","487:4870002403","494:4940006478"],"twin_admin_codes":[487,487,487,487,487,490,487,487,487,487,487,487,487,490,487,487,487,487,494,487,487,494,487,487,494],"twin_sims":[0.19610456872055052,0.1409837197470296,0.06955209173656182,0.05739014756565483,0.03565043016782262,0.03424155264748652,0.033547791393296,0.02829312022660612,0.026099621837953828,0.023405754487361676,0.019839682545177074,0.018675621703915055,0.017828318486057836,0.017448020948466505,0.016574514206237026,0.01566950181518985,0.014459312329693724,0.011197966060249248,0.011072484088336285,0.010988834939250491,0.010634929191232491,0.010632510196848646,0.01051395439394091,0.010007131133073235,0.009686116988824992],"twin_dists":[0.23443026685781382,0.2570800346526628,0.2998767480389815,0.3104995955458447,0.33536771758707656,0.337389591047803,0.33841135989583154,0.34679827743765756,0.35070125202877866,0.3559022293500112,0.3636518659321677,0.3664457051846692,0.36857670898631234,0.36956214049831626,0.3718989019966995,0.37443690939194313,0.3780403665138832,0.38927797761968574,0.3897659583442992,0.39009399562083236,0.3915069161287744,0.3915167167244306,0.3919994967491462,0.39411963339822914,0.3955125596503302],"n_dims_used":43,"mean_confidence":0.9046390444733375},"coverage":{"mean_confidence":0.9046390444733375,"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}}