{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008754},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007634","490:4900005281","490:4900006295","490:4900008311","490:4900006643","490:4900005132","490:4900004723","490:4900008644","490:4900004997","490:4900004873","496:4960010223","490:4900004857","490:4900000556","490:4900002335","493:4930007183","490:4900007510","490:4900004722","466:4660002056","490:4900006528","490:4900008315","488:4880003115","490:4900005673","488:4880003360","470:4700005174","496:4960012130"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,493,490,490,466,490,490,488,490,488,470,496],"twin_sims":[0.5647223046750783,0.5511833079216786,0.525616138791887,0.5173950980258601,0.49249095156142647,0.4876830205634323,0.4584935164361833,0.45125103607383843,0.44799004284034316,0.4316658739869923,0.41656293751324736,0.4141063967657632,0.4130497088813747,0.4128508174610641,0.41085035318470486,0.40057974104321137,0.39971569234807613,0.39379212251279405,0.36145987793339357,0.357579309627688,0.35155779213362476,0.3495847804464264,0.3480017799455684,0.34693653592522805,0.3400390243837571],"twin_dists":[0.13884076726922004,0.14175820729801708,0.14730127166251242,0.1490955135986342,0.15457565136438622,0.15564249073499975,0.1621933340482342,0.16384081963693073,0.16458580029324762,0.1683469384948171,0.17187824571319196,0.1724577042653507,0.17270741675478407,0.17275444901867915,0.17322805319049916,0.17567582147697175,0.17588302526993607,0.17730908286089878,0.18527989504340103,0.18625994740554627,0.18779160751508017,0.188296434573677,0.18870255159678026,0.18897638606027317,0.19076036938834207],"n_dims_used":45,"mean_confidence":0.9190247429741754},"coverage":{"mean_confidence":0.9190247429741754,"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}}