{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001556},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001614","480:4800001376","480:4800001618","480:4800002246","480:4800001564","480:4800001334","480:4800001448","480:4800001557","480:4800001553","480:4800001957","480:4800001436","480:4800001613","480:4800001385","480:4800002155","480:4800002305","480:4800001335","480:4800001611","480:4800001714","480:4800001717","480:4800002255","480:4800001615","480:4800001332","480:4800001893","480:4800002261","480:4800001442"],"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":[0.6624430717025653,0.6401425917213461,0.4471877980187,0.43512267917353253,0.41928247396619556,0.4057244912214782,0.40014249028350657,0.39826589691725406,0.38960419275343156,0.38062163013784667,0.37944740103464997,0.3677272120775219,0.33237010003337486,0.31509901397783113,0.31481989967046337,0.30729357625311543,0.3037566112014517,0.2966683562566535,0.2903907579049918,0.28715220794958335,0.2842232708730495,0.2816841244601592,0.2798701313473459,0.2782862611199176,0.2769334395099074],"twin_dists":[0.11786718354143293,0.12266978125436825,0.16476938685630632,0.16754586747398495,0.17123845743693727,0.17444623391993216,0.17578065130343737,0.17623115290826383,0.1783232940391144,0.18051614634384833,0.18080462580748488,0.18370826680316385,0.19276683258831118,0.19738088205595,0.19745659790402043,0.1995128909770719,0.20048923780210307,0.20246598738080765,0.2042399945405656,0.20516411023215478,0.2060052713013705,0.20673872416524963,0.20726516392868988,0.20772651671846287,0.20812183711366442],"n_dims_used":43,"mean_confidence":0.9205643409906432},"coverage":{"mean_confidence":0.9205643409906432,"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}}