{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001390},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001768","499:4990000007","480:4800001328","480:4800001329","470:4700004894","480:4800001327","480:4800001653","480:4800001600","480:4800002110","480:4800001599","500:5000006898","470:4700005060","480:4800001491","478:4780002165","484:4840005402","469:4690008505","472:4720000116","470:4700005512","480:4800001767","468:4680007349","480:4800001652","472:4720004531","500:5000009089","472:4720004605","484:4840005134"],"twin_admin_codes":[480,499,480,480,470,480,480,480,480,480,500,470,480,478,484,469,472,470,480,468,480,472,500,472,484],"twin_sims":[0.3851410929743401,0.2952705810727305,0.2923795659630012,0.2585691966430585,0.21097784431928554,0.19953746843797998,0.1853024438922074,0.17392949238134695,0.1706704745993707,0.16282862463911188,0.15949439220843736,0.15908062447847002,0.15369086564403545,0.14974749114539507,0.1488919677498563,0.1437410180114584,0.14311371878154294,0.14092083636506506,0.14081343918317718,0.13933924617283774,0.1363363914726556,0.135616090224982,0.13557748778566517,0.13511168298819692,0.13287244939897705],"twin_dists":[0.17940979728055675,0.2028590533751937,0.2036755327160406,0.21361032502576507,0.22910994492437628,0.23317829428000414,0.23847204917992035,0.24291079710111885,0.24422072050406468,0.2474480180747509,0.24885432915318326,0.24903033377878203,0.2513540820282215,0.25309234161211175,0.253473896771536,0.25580606560405345,0.25609429327375915,0.25710930436260004,0.2571593159775486,0.25784869373461117,0.2592699441374728,0.2596143411074694,0.2596328367272809,0.2598563301220441,0.26093886312254333],"n_dims_used":42,"mean_confidence":0.9193714686802456},"coverage":{"mean_confidence":0.9193714686802456,"n_dims_used":42,"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}}