{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000132},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000131","480:4800000133","480:4800000001","480:4800000106","480:4800000165","480:4800000196","480:4800000164","480:4800000010","480:4800000002","480:4800000006","480:4800000166","480:4800000135","480:4800000226","480:4800000000","480:4800000136","480:4800000162","480:4800000227","480:4800000023","480:4800000255","480:4800000195","480:4800000244","480:4800000024","480:4800000041","480:4800000243","480:4800000022"],"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":[0.6977879341546146,0.685536192628929,0.6629778515837665,0.6560554391495691,0.6277330431874357,0.6113912354431411,0.608187689048677,0.6041575787351726,0.5933367806354032,0.5543189370839705,0.5466701306460943,0.5343968634376935,0.5338956077651555,0.4667977753694805,0.43584761338519107,0.42989667575714957,0.37914871599724637,0.32488005298645095,0.32336342517878963,0.31708573562656406,0.29400088737921626,0.28523706764542667,0.27843719037733144,0.2740760139408476,0.2724798563939343],"twin_dists":[0.11017767109473244,0.11285696649866354,0.11775164711006733,0.11924571342956193,0.12533262075814927,0.1288336853044229,0.1295196719798892,0.13038263019853258,0.13270009417111908,0.14108160514776702,0.14273314996954725,0.14539175077204414,0.1455005797566337,0.16031574820412278,0.16737819696425807,0.16875793010127801,0.18087807428901648,0.1947510469552963,0.19515589157389215,0.1968430345561338,0.20321705456207867,0.20571353205090315,0.20768248499240466,0.2089607278867941,0.20943166869756125],"n_dims_used":42,"mean_confidence":0.9024292173839751},"coverage":{"mean_confidence":0.9024292173839751,"n_dims_used":42,"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}}