{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011554},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["466:4660003904","490:4900011552","490:4900011947","490:4900010638","490:4900011354","466:4660004550","490:4900007486","490:4900008081","490:4900011876","490:4900003686","490:4900008391","466:4660004723","490:4900012281","490:4900001807","490:4900012149","490:4900011132","466:4660004473","466:4660006587","466:4660003960","466:4660004640","490:4900011052","490:4900006401","490:4900012213","487:4870000827","490:4900012207"],"twin_admin_codes":[466,490,490,490,490,466,490,490,490,490,490,466,490,490,490,490,466,466,466,466,490,490,490,487,490],"twin_sims":[0.308660246856381,0.24785856551047766,0.11293132492359341,0.10317240351585602,0.09568996835681536,0.09561241739644004,0.0438572594538265,0.028108139649146408,0.02759924817767718,0.027040596840397113,0.024569343712722506,0.02415612690863655,0.020908456460549677,0.013686597999811223,0.012382495042702057,0.011077033546171733,0.011075932699502656,0.010492552629625892,0.010408230829872515,0.00973138205635017,0.009585880428957158,0.008755087043302716,0.008167210957042223,0.007038548282275563,0.00487515501865662],"twin_dists":[0.19913737187023756,0.21692515349855848,0.27124655207187337,0.27680966168186816,0.28135992921795927,0.28140853016727546,0.32478049458261987,0.3471171667858781,0.3480038565991996,0.34899360089460874,0.3535953452916723,0.35440352410863457,0.3612099531607274,0.380482962027619,0.38489642558312526,0.3897481805013844,0.3897524816667731,0.3920871644267013,0.392434126981458,0.39531367682481583,0.39595594096726355,0.3997991705934529,0.4027209874470839,0.40890269588781486,0.4237812033842337],"n_dims_used":45,"mean_confidence":0.9127444797092014},"coverage":{"mean_confidence":0.9127444797092014,"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}}