{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001563},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001562","490:4900002468","494:4940007712","496:4960008478","490:4900003213","494:4940007166","494:4940007293","490:4900001429","496:4960007774","490:4900002471","494:4940006836","494:4940007291","496:4960005262","494:4940007053","494:4940004416","496:4960004659","494:4940007186","494:4940004415","494:4940007354","490:4900001965","494:4940004913","494:4940007150","494:4940006968","494:4940004050","496:4960007275"],"twin_admin_codes":[490,490,494,496,490,494,494,490,496,490,494,494,496,494,494,496,494,494,494,490,494,494,494,494,496],"twin_sims":[0.4676977924058194,0.4367849676684921,0.402704904712718,0.3762141488004145,0.37072909852946906,0.3627198889843951,0.36068327749037415,0.35660904922666775,0.34111996650742865,0.320641555967779,0.31254153832965353,0.2860168664065266,0.2777784678821744,0.27557809506855996,0.26723500624295504,0.2604232804387168,0.2579716354477683,0.2545612921870596,0.25414721838689097,0.2513195865089547,0.24259592880510275,0.24113160043333806,0.23909876479494013,0.23693150220715814,0.23100752892492193],"twin_dists":[0.1601129566386544,0.16716156005162952,0.17516705445647604,0.18160120218347492,0.18296025939774047,0.1849628291290133,0.18547559674101832,0.18650584112920035,0.1904795263557441,0.1958851240203735,0.19807608462386628,0.20548955427663246,0.2078747659631445,0.2085190789375081,0.2109912344696017,0.2130453877105109,0.21379294478524394,0.2148403254149337,0.21496809915421064,0.21584420050384442,0.2185875255197495,0.21905421493034688,0.21970514828918436,0.22040310444027952,0.2223324512658883],"n_dims_used":45,"mean_confidence":0.9169362386067709},"coverage":{"mean_confidence":0.9169362386067709,"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}}