{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012267},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870002971","487:4870001561","487:4870002427","490:4900008057","494:4940006689","494:4940003864","496:4960008048","490:4900006127","487:4870004389","487:4870004112","494:4940006795","490:4900012131","490:4900006131","487:4870010012","494:4940008639","487:4870007046","496:4960009394","487:4870003968","490:4900006125","490:4900008040","490:4900009767","487:4870003116","494:4940008573","490:4900006134","490:4900006845"],"twin_admin_codes":[487,487,487,490,494,494,496,490,487,487,494,490,490,487,494,487,496,487,490,490,490,487,494,490,490],"twin_sims":[0.006096285873477325,0.005202849229271178,0.0036376439001381765,0.003415835921944522,0.0031348893275623697,0.003074883642787511,0.0028498300056402047,0.0023933824124745696,0.0023005535978821105,0.0018968228147798532,0.0015437433513726072,0.0013637002008400235,0.001334141809765673,0.0010431052029594612,0.0008766969204467978,0.0006596768882201389,0.0006534618761077585,0.0006139413601353992,0.0005629457135171249,0.0004938938573522581,0.0004680075236050705,0.00045198337769411794,0.00040941578037297636,0.0003909556226158442,0.0003365990064952041],"twin_dists":[0.4147889224960674,0.4211839384694565,0.4352798841023532,0.4377110517158082,0.4410060824095875,0.44174466621468955,0.4446374394272233,0.4512104992207606,0.45268685434609546,0.4598208009448378,0.4673152264174564,0.47176998371944234,0.47255281624964385,0.4812565059965217,0.4873097482544627,0.49705667233441425,0.4973777914187016,0.49948894191506993,0.5024087522700303,0.5067831610983321,0.5085718492987241,0.5097260149186084,0.5129887494997001,0.5145035309888197,0.5193881361180387],"n_dims_used":45,"mean_confidence":0.9097213745117188},"coverage":{"mean_confidence":0.9097213745117188,"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}}