{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000490},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000456","480:4800000302","480:4800000457","480:4800000338","480:4800000494","480:4800000394","480:4800000303","480:4800000675","480:4800000369","480:4800000492","480:4800000370","480:4800000427","480:4800000529","480:4800000787","480:4800001029","480:4800001074","480:4800000870","480:4800000786","480:4800000827","480:4800000990","480:4800000393","480:4800000459","480:4800000362","480:4800001027","480:4800000989"],"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":[0.9345125076686569,0.8538913440548842,0.5577135296278248,0.45236226567543913,0.4282307618761965,0.37637608405733236,0.3511266653901474,0.3258266935187621,0.2950218014222436,0.27294031544688374,0.26950131443859004,0.20059173910132963,0.18934123825644844,0.13996966057254534,0.13808917946089627,0.12753078991920194,0.12385668209910562,0.12292187954964554,0.12219340621114232,0.11795843942437673,0.11579633050575285,0.11280514035438456,0.11198446250902883,0.11144683333187458,0.11139759183017381],"twin_dists":[0.047800257972265316,0.07299623837989731,0.1403497810792184,0.16358741593144863,0.16914555914643978,0.18156122707833364,0.1879017915797889,0.19449888519320657,0.20292912722703915,0.20929563818861963,0.21031504201557283,0.2327967913659671,0.23694206915072039,0.25755323031137617,0.25843754052250645,0.2635778612731052,0.2654419857541627,0.2659229682959511,0.26629972313717193,0.2685245982566736,0.26968414006179053,0.27131606448911416,0.2717696276168035,0.27206815073834534,0.2720955480303885],"n_dims_used":42,"mean_confidence":0.9105270022437686},"coverage":{"mean_confidence":0.9105270022437686,"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}}