{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002327},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002021","490:4900003074","490:4900001862","490:4900001722","490:4900002178","490:4900003895","490:4900001165","490:4900002767","490:4900003460","490:4900003595","490:4900001333","490:4900003755","490:4900004149","490:4900003896","490:4900001733","490:4900001572","490:4900001699","490:4900001596","490:4900003471","490:4900003330","490:4900002333","490:4900004302","490:4900001331","493:4930004309","490:4900002303"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,493,490],"twin_sims":[0.8689195901026414,0.8618877872657261,0.8107231887907399,0.7342843351194559,0.7220251460962753,0.7075111801529256,0.7020236324989249,0.6928823502835602,0.6765892947340014,0.6543795379096212,0.6446505932870215,0.644023731945213,0.6386218226527847,0.6372422599377723,0.6349649638883631,0.6298746152048962,0.6089986664673424,0.5900402498125153,0.57920919997291,0.5779073559577262,0.5737188770897254,0.5619058046525174,0.5589606552676102,0.5414681245886582,0.5378354614463708],"twin_dists":[0.06884687842612824,0.07080963671321207,0.08413393266303915,0.10207489404129791,0.10482010680667017,0.10803837731734639,0.10924725224751619,0.11125249971035268,0.11480358793647812,0.11960696583619516,0.12170103293082797,0.1218357961518696,0.12299639559519845,0.12329260570142846,0.12378141864109277,0.12487342505659904,0.12934601791994432,0.13340639115802144,0.13572866386175036,0.13600800921807008,0.1369071479825382,0.1394468666723967,0.14008108224209842,0.14385862030282123,0.14464573578728454],"n_dims_used":45,"mean_confidence":0.9179178873697916},"coverage":{"mean_confidence":0.9179178873697916,"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}}