{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000484},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000592","477:4770001632","477:4770000682","477:4770000922","477:4770000633","477:4770000278","477:4770000538","489:4890004039","477:4770000483","477:4770001208","477:4770000585","477:4770000735","477:4770000430","477:4770003031","468:4680004598","477:4770000321","477:4770000156","477:4770001575","477:4770001958","477:4770001568","477:4770000796","479:4790000586","472:4720008103","472:4720008101","477:4770002707"],"twin_admin_codes":[477,477,477,477,477,477,477,489,477,477,477,477,477,477,468,477,477,477,477,477,477,479,472,472,477],"twin_sims":[0.5369226609315374,0.45881075276617694,0.4504417329056325,0.41715996913075293,0.393610219116436,0.33798767874562824,0.33384652745573556,0.3284842097616951,0.3096100176319732,0.29440351608395116,0.27895481296239166,0.2699524175433583,0.2511549268605126,0.24382987697014114,0.23724890159168963,0.22947905546957792,0.21618909767885502,0.214452887354656,0.2027679996843537,0.20140139690707348,0.18017633035813216,0.1793288815023458,0.1789698749025365,0.17869211798802395,0.1771852416487354],"twin_dists":[0.14484367882933613,0.16212138740430784,0.16402551824563125,0.171737637682945,0.1773530306467353,0.1912946570374639,0.19237861047793392,0.19379314742024623,0.19887696661177603,0.20310343114339063,0.20753158534326904,0.21018086824552312,0.21589541099584578,0.21819567267793055,0.22030062812580564,0.22283551879689406,0.22730645991458884,0.22790402298161824,0.23201362433744016,0.2325047417382758,0.2404481045620689,0.2407786012215451,0.24091894414771545,0.24102766201682724,0.24161957478587356],"n_dims_used":45,"mean_confidence":0.9200554741753473},"coverage":{"mean_confidence":0.9200554741753473,"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}}