{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000171},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000170","489:4890000647","470:4700001500","489:4890000131","470:4700001090","489:4890000217","470:4700000959","481:4810005935","489:4890000248","489:4890000657","489:4890000550","489:4890001388","489:4890000638","489:4890001257","489:4890000212","489:4890000646","489:4890000335","481:4810005798","481:4810005654","489:4890000297","489:4890000405","489:4890000041","481:4810005650","485:4850003584","489:4890000340"],"twin_admin_codes":[489,489,470,489,470,489,470,481,489,489,489,489,489,489,489,489,489,481,481,489,489,489,481,485,489],"twin_sims":[0.6584251534101547,0.6480369357585739,0.5340656386768379,0.487941427888849,0.46883523347270323,0.4544925768589955,0.45323882950164307,0.45158699790661005,0.42543347671136245,0.4175849875725346,0.41517172506499456,0.40694203983460886,0.3968292039406552,0.3945110362014508,0.3856311452219095,0.38264386946978285,0.3771012623678675,0.37330872570937723,0.3715839099884018,0.36879332553233884,0.36874319595755967,0.36592573437093523,0.35889359770915985,0.3566026697372272,0.35235964419872845],"twin_dists":[0.11873460986770148,0.12097271130657979,0.14546366156171414,0.15558507224227122,0.15985685951976383,0.16310226335871478,0.16338768757024374,0.16376418285246253,0.16979783562314502,0.1716375932959654,0.17220622896325788,0.17415626500141784,0.1765767060109666,0.1771354855615141,0.1792902078822591,0.1800203350620756,0.18138231347900968,0.1823198682677704,0.18274780946545913,0.18344226634382263,0.18345476530664273,0.18415862293679228,0.18592741241659622,0.18650745902601018,0.1875868635831154],"n_dims_used":45,"mean_confidence":0.9141919453938802},"coverage":{"mean_confidence":0.9141919453938802,"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}}