{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001572},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003595","490:4900004149","490:4900002178","490:4900001862","490:4900003330","490:4900001708","490:4900003896","490:4900001571","490:4900002767","490:4900001165","490:4900003895","490:4900001722","490:4900002327","490:4900003471","490:4900003755","490:4900002333","490:4900001166","490:4900002303","490:4900003074","490:4900001699","490:4900002021","490:4900001596","490:4900001707","490:4900001848","490:4900001999"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.804242504621667,0.7857332493977983,0.7561705295249866,0.7305402123403645,0.7228929761718615,0.720301817110741,0.70957144429838,0.6845781604760378,0.6688657520847038,0.6677646006838792,0.6668333187847943,0.6613775992941875,0.6298746152048962,0.6201906276843525,0.6186789804869931,0.6150906374713616,0.6143251382667634,0.6086157924029798,0.5826406190995141,0.5819579182460723,0.573478146555352,0.5728500502431694,0.5610004409977675,0.5544247840961087,0.5492900573906075],"twin_dists":[0.08572787217485422,0.09019274411813255,0.09710033017861333,0.10291616940989554,0.10462663147792559,0.10520394071372936,0.10758344896809804,0.11306578599921457,0.11647821592400509,0.11671657114025134,0.11691808327854727,0.1180973140310479,0.12487342505659904,0.12694902413420595,0.1272728561749634,0.12804144425946445,0.12820538813460727,0.12942800268873927,0.1349926087444468,0.1351390240557111,0.13695884467420102,0.1370937381967853,0.1396417816283238,0.1410587759912314,0.14216702780220244],"n_dims_used":45,"mean_confidence":0.9169989691840278},"coverage":{"mean_confidence":0.9169989691840278,"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}}