{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000690},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000691","490:4900000576","490:4900000581","490:4900000562","490:4900002001","490:4900003207","490:4900003081","490:4900001451","490:4900000919","490:4900000479","490:4900001567","496:4960008028","490:4900001024","490:4900000929","490:4900001321","490:4900000917","490:4900000692","490:4900003890","490:4900000884","490:4900001071","490:4900000772","490:4900003887","490:4900001317","490:4900004036","490:4900002030"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.702617753616187,0.6413613713532776,0.6247450066644505,0.6195361697993284,0.6086722839571875,0.585039906188381,0.5808297178215767,0.579587175151342,0.5753160925633469,0.5701311604366308,0.5659680091346698,0.5514198250930875,0.5361443989170088,0.5282685324778271,0.5249956465567802,0.5070426202457841,0.5036977859089028,0.4950860651300871,0.49134565507681927,0.490813367128667,0.48271467682798136,0.47562179275236416,0.4612490214322753,0.4606231728379585,0.45348687319335484],"twin_dists":[0.10911656399145395,0.12240795741668972,0.12597312478986147,0.1270892293987606,0.12941590618428803,0.13447814492498153,0.13538101228200278,0.13564756924198038,0.13656420146877324,0.1376778408897096,0.13857281867644666,0.1417071507847718,0.14501249893554458,0.14672374876279845,0.14743646835525728,0.15136482483035102,0.15210058294630668,0.15400109732998618,0.15482950026636363,0.15494753866924266,0.1567482870835768,0.15833317156415339,0.16156899917819134,0.16171068549204512,0.16333119573053964],"n_dims_used":45,"mean_confidence":0.9138844807942709},"coverage":{"mean_confidence":0.9138844807942709,"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}}