{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004919},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004871","489:4890004911","489:4890004825","489:4890004781","489:4890004818","489:4890004868","489:4890004775","489:4890004872","489:4890004778","489:4890004734","489:4890004761","489:4890004820","489:4890004395","489:4890004967","489:4890004625","489:4890005154","489:4890004260","489:4890005138","489:4890004407","489:4890004312","489:4890004292","489:4890004311","489:4890004773","489:4890004463","489:4890004457"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8083748510682499,0.7413776977872275,0.7410902075154474,0.701665525879701,0.6968780161779756,0.6894169380740671,0.6593785869181688,0.6496358278861255,0.6323257021646338,0.6244601780096337,0.6150608536352948,0.6071702726881582,0.6055472093278644,0.5920197884257034,0.5867406521409714,0.5857907454606371,0.5849655825503861,0.5802462377787524,0.5781965540564882,0.5715649607674607,0.5696523072854484,0.569546006010234,0.5677184688398728,0.5626354034310149,0.5612582767476171],"twin_dists":[0.08471349605319069,0.10047368850999375,0.10053877975017413,0.10932600252207374,0.11037725385852032,0.11201010921555747,0.11852887090919824,0.12062862884295894,0.12434770590133139,0.12603416900035289,0.12804782305000512,0.12973752895225896,0.13008507059931126,0.13298224372845674,0.134113551725352,0.13431717715278582,0.13449407945687689,0.1355061777785472,0.13594594934666296,0.13736977886061286,0.13778074468492754,0.13780358974474355,0.13819641889493384,0.13928982231698447,0.1395862681047121],"n_dims_used":45,"mean_confidence":0.9208511352539063},"coverage":{"mean_confidence":0.9208511352539063,"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}}