{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730001752},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["473:4730001919","473:4730001836","473:4730001301","473:4730001999","473:4730001917","473:4730001918","473:4730002000","473:4730001750","473:4730001486","473:4730001489","473:4730002079","473:4730002004","473:4730001578","473:4730001998","473:4730001300","473:4730001585","473:4730001491","500:5000001849","473:4730001580","473:4730001492","500:5000002110","473:4730002155","473:4730001923","473:4730001834","473:4730001402"],"twin_admin_codes":[473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,500,473,473,500,473,473,473,473],"twin_sims":[0.9319808543754455,0.892142559953397,0.8848500547310683,0.8714384820905619,0.8339813989350606,0.8298342506393136,0.8137111010571448,0.8074111543022329,0.7624741442526467,0.7563342549173495,0.7509975691564749,0.7410594371724808,0.731324711341678,0.7225332200670773,0.6743300710803168,0.6725689578977117,0.668162438303808,0.6644362412226169,0.6587275836923536,0.6539225658495591,0.6538703406801616,0.6526197726239867,0.6258118097029503,0.6209787275691616,0.5957755744400843],"twin_dists":[0.048748110538173475,0.062049386831602764,0.06424182878570629,0.06813399422290765,0.07825822795282757,0.07932541808010068,0.08339315337386004,0.08495067391938653,0.09564736746691374,0.09706271523693118,0.09828553580080485,0.10054574552315103,0.10274011338456364,0.10470685121691198,0.11529396019867488,0.11567590871850329,0.1166304661120438,0.11743646639546192,0.11866935560931104,0.1197054404067285,0.1197166938199397,0.11998611757945718,0.12574447277797454,0.12678017940591066,0.13217767997997054],"n_dims_used":45,"mean_confidence":0.9202272203233507},"coverage":{"mean_confidence":0.9202272203233507,"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}}