{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000804},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001194","480:4800000657","480:4800000725","480:4800000656","480:4800000545","480:4800000799","480:4800001042","480:4800000730","480:4800000690","480:4800000480","480:4800000655","480:4800000546","480:4800000448","480:4800000695","480:4800000624","480:4800000661","480:4800000549","480:4800000548","480:4800000479","480:4800000803","480:4800000414","480:4800000542","480:4800000611","480:4800000619","480:4800001008"],"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":[0.47056426427625025,0.3924937319314094,0.3805769531717896,0.3753113417201273,0.33046470190609545,0.3243312536217786,0.3219822805074728,0.29354421612810444,0.29102786756659216,0.2865019415100112,0.28163504339664636,0.27502527909545454,0.2686889429387056,0.2620026789169845,0.24616645209955826,0.24607624536385342,0.22293680764807478,0.19295452275513908,0.1921914287274103,0.18620273308867233,0.18136468023088434,0.18013874948788453,0.17772633242213867,0.17431928935216628,0.17048141266559122],"twin_dists":[0.15946796851851558,0.1776229802754395,0.18052711451308617,0.1818242221913983,0.1932692462212724,0.19489742041559574,0.19552549192690816,0.2033460404739131,0.2040589210465129,0.20535041353057748,0.20675294091636556,0.2086814485279752,0.21055702050559016,0.2125661371896284,0.21745716101970047,0.21748558829781925,0.22501420565636243,0.23559251694180114,0.23587605295163572,0.23812898867813395,0.23998650890419687,0.2404627373645767,0.24140662005004174,0.24275530120549482,0.24429725962902274],"n_dims_used":43,"mean_confidence":0.9157684681027435},"coverage":{"mean_confidence":0.9157684681027435,"n_dims_used":43,"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}}