{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001579},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001217","487:4870000764","487:4870001575","487:4870001309","487:4870001677","487:4870000765","487:4870001106","487:4870001394","487:4870001859","487:4870001121","487:4870001581","487:4870001392","487:4870001589","487:4870001122","487:4870000690","487:4870001592","487:4870001583","487:4870000609","487:4870001388","487:4870001500","487:4870001945","466:4660013810","487:4870000611","487:4870001129","487:4870001212"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,466,487,487,487],"twin_sims":[0.5786848900738903,0.5185696460677738,0.5161087836066047,0.48957172915107117,0.46514745440444805,0.4628783547723861,0.45983699721725185,0.4478884409047842,0.4441269323556421,0.43598300042118,0.4174964822478603,0.3995549001248496,0.37620330574176464,0.3646323997009442,0.3521404897220336,0.3499386900746544,0.3280645687798465,0.3274252649346452,0.32422321620267675,0.3103977611438378,0.3022915548490948,0.29686796902811147,0.2859021113416676,0.28530656156448775,0.2837363198401905],"twin_dists":[0.1358411620218029,0.14883876196828533,0.14937685833656864,0.155223028529524,0.1606879480007756,0.161200451381601,0.1618887652616266,0.164609044114963,0.16547099141664157,0.16734689551958096,0.17165842282614366,0.17592160661302358,0.18160387918558138,0.1844826343719517,0.18764279808852746,0.18820577153252824,0.19390437836093408,0.1940739845403611,0.19492625191462523,0.1986613329101654,0.20089558266501403,0.2024099436857721,0.20552249176611714,0.2056935567256776,0.20614562355700347],"n_dims_used":43,"mean_confidence":0.9146467696788699},"coverage":{"mean_confidence":0.9146467696788699,"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}}