{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008928},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009456","490:4900009658","490:4900009356","490:4900008810","490:4900008921","490:4900009655","490:4900009659","490:4900009145","490:4900008700","490:4900009033","490:4900009035","490:4900009555","490:4900008920","490:4900009029","490:4900008354","490:4900008702","490:4900009657","490:4900009034","490:4900008814","490:4900009458","490:4900008481","490:4900009639","490:4900008587","490:4900009552","490:4900009229"],"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":[0.41246400273190054,0.05590825567871392,0.023847697437141345,0.012936101785635564,0.01290486073025519,0.012088904448099243,0.011793941889410258,0.010481379635957076,0.007534422526147175,0.0069387291186933,0.006736990945271003,0.0051693741075325515,0.002960515689085661,0.0023091931656621487,0.0022046697215550464,0.0019354497482101456,0.0018399836799109018,0.0017579793609721313,0.0015683076668154263,0.0013629950112216715,0.0010507526136187243,0.0009190982971270506,0.0008978364366990339,0.0007043843159931165,0.0006960633277722198],"twin_dists":[0.17284594812273127,0.3119174892593212,0.35501459474516106,0.3829748821351247,0.3830813612051463,0.38594656250232473,0.3870246332532393,0.39213299543518476,0.40608465057546644,0.4094914634674172,0.41070501764277545,0.42144235749764003,0.4431895968670424,0.45254716532519795,0.4542703458431608,0.4590807062879316,0.46093546333509594,0.46260082653683465,0.4667450624704351,0.47178847675457364,0.4810004200219761,0.48567215215584686,0.4864843339799037,0.49482644778694984,0.4952313594362226],"n_dims_used":45,"mean_confidence":0.8854083591037326},"coverage":{"mean_confidence":0.8854083591037326,"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}}