{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001386},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008983","494:4940008966","490:4900010802","490:4900004523","490:4900008833","490:4900004659","494:4940008991","490:4900001518","494:4940008968","494:4940008992","490:4900001651","490:4900011024","490:4900004386","490:4900009683","490:4900010789","490:4900009883","490:4900004517","490:4900009805","490:4900010469","490:4900011669","490:4900009283","490:4900010717","490:4900011049","490:4900008072","490:4900005643"],"twin_admin_codes":[494,494,490,490,490,490,494,490,494,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.06332077557868325,0.05998492028166917,0.040198993353048294,0.026190561879089056,0.02396082503947734,0.022486740929183423,0.02207322662197021,0.019850227826361106,0.009155955286034438,0.00902187434726726,0.008611000795516055,0.007832038563754883,0.007718207716929825,0.007401932669673328,0.006859248006297506,0.006736053623447665,0.006455367002385076,0.0059636317003821165,0.005506009024178127,0.005402518762490968,0.0049596056648597234,0.004541917865042051,0.004470547012134939,0.0044016040135181405,0.004128386847158572],"twin_dists":[0.30511062536873745,0.3080880210035046,0.3292728510336928,0.35053391987186056,0.35478967211721374,0.35779558250046867,0.358669500723234,0.36362721776433493,0.397905873939518,0.39853074347799533,0.4004986687005879,0.40447229458949624,0.4050823818413513,0.4068208864736278,0.40996574337247377,0.41071073200335123,0.41245501157324316,0.41568259220211445,0.4189097605027796,0.41967308303714246,0.4230970766779313,0.42658998519603236,0.4272157843601742,0.4278289655494172,0.43034802732723554],"n_dims_used":45,"mean_confidence":0.9044366624620226},"coverage":{"mean_confidence":0.9044366624620226,"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}}