{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002807},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960011556","496:4960011653","490:4900001356","496:4960011382","496:4960011472","490:4900000726","469:4690000839","490:4900000613","496:4960011742","490:4900000344","490:4900001218","490:4900001344","496:4960011570","490:4900001456","490:4900004461","490:4900002057","490:4900001350","496:4960011662","490:4900002342","496:4960011749","496:4960011902","490:4900001345","466:4660002808","496:4960011750","466:4660000795"],"twin_admin_codes":[496,496,490,496,496,490,469,490,496,490,490,490,496,490,490,490,490,496,490,496,496,490,466,496,466],"twin_sims":[0.651392977959702,0.6035105427884981,0.5735611129112949,0.4860391763270851,0.4083987939741717,0.38200787062638314,0.37882922315459105,0.3778447361336925,0.35857814524302567,0.3316023489136124,0.3315672336734575,0.33087919171078417,0.32735129568899796,0.31626704871932215,0.31558601216235727,0.31237236398340645,0.31069069220716355,0.302689492733349,0.30194801883765643,0.27431730898094475,0.2737293257527845,0.2708533010201334,0.2703119033497888,0.26702240906482616,0.25995652168811684],"twin_dists":[0.1202503334792226,0.13052118070220795,0.13694102746876458,0.15600797266715283,0.17380983277845977,0.1801761327393781,0.18095667057238154,0.18119906005615585,0.18600716968594977,0.19296908243436403,0.19297833901491795,0.19315981922946857,0.19409362024374466,0.19706443876165122,0.19724886417001455,0.19812218552765462,0.19858122711856252,0.20078509842861825,0.20099103076634728,0.20888968131669491,0.2090628735007241,0.20991332822890824,0.21007404385848147,0.21105484877203712,0.21318736962029533],"n_dims_used":45,"mean_confidence":0.9164247300889757},"coverage":{"mean_confidence":0.9164247300889757,"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}}