{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001132},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001426","487:4870001607","487:4870003897","665:6650001734","487:4870000362","665:6650004224","665:6650003859","497:4970003500","487:4870000034","487:4870000544","665:6650001804","665:6650002411","497:4970003418","665:6650003721","665:6650002891","497:4970003472","665:6650001483","487:4870004476","665:6650002812","665:6650001968","487:4870001889","665:6650001971","487:4870000361","665:6650002658","665:6650003789"],"twin_admin_codes":[487,487,487,665,487,665,665,497,487,487,665,665,497,665,665,497,665,487,665,665,487,665,487,665,665],"twin_sims":[0.5168853593294434,0.29969482696664185,0.24384358261079353,0.2372320037634257,0.20635637236515963,0.2000810319830025,0.19961883708944606,0.18797217379894793,0.1869818338801111,0.18128084284825044,0.17690001787886814,0.17522011605355356,0.16397540685741652,0.15924598150200772,0.15020114304985382,0.14673762922608288,0.14533234709133394,0.14420319194386816,0.14329956653623524,0.14020690512084108,0.13733346983333458,0.1351580928530798,0.13305254972469452,0.13281350657197635,0.12917302319206858],"twin_dists":[0.14920698414097305,0.2016186336598947,0.21819132751466702,0.22030608154308182,0.23073478473743972,0.2329814250038608,0.2331488004505927,0.23745811274976159,0.23783304710951275,0.240019003927822,0.24173201521492887,0.2423968948097304,0.24696915708139303,0.24895995583796937,0.25289066853256253,0.25444192865819004,0.2550790550133194,0.2555943055133447,0.25600880343417615,0.25744229526596357,0.25879545383838165,0.2598340367458978,0.26085129073264035,0.26096754300890485,0.2627577866925787],"n_dims_used":43,"mean_confidence":0.8908678986305414},"coverage":{"mean_confidence":0.8908678986305414,"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}}