{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001194},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001132","489:4890001199","485:4850001481","485:4850001150","489:4890001002","470:4700001085","485:4850002874","466:4660009640","485:4850001630","481:4810005868","496:4960004129","489:4890000464","488:4880002959","489:4890000380","466:4660005724","489:4890000507","466:4660009800","481:4810005967","499:4990002012","485:4850003257","485:4850001456","489:4890000436","466:4660009124","489:4890000267","470:4700008545"],"twin_admin_codes":[489,489,485,485,489,470,485,466,485,481,496,489,488,489,466,489,466,481,499,485,485,489,466,489,470],"twin_sims":[0.8024037240469656,0.48951264204534667,0.42491919109742166,0.400646011375746,0.3902953758346991,0.37722671148664566,0.3719594337046195,0.35069645462114857,0.32560225155388833,0.32461650632677225,0.32450808720714935,0.312446950885882,0.3100744589173388,0.30581014363059705,0.3047186154670733,0.2996211666700368,0.2993187074520589,0.28804203120143373,0.2826910807596979,0.28037527722231,0.2767375124459917,0.2756569854907622,0.2658887484441376,0.2612203243166488,0.2579293064908027],"twin_dists":[0.08617706124563929,0.1552361437558072,0.16991795063968013,0.1756599378536317,0.17815555720319207,0.18135138011225274,0.18265455547032963,0.1880118120007037,0.19455863422850847,0.19482132185309547,0.19485024108720078,0.19810185844819608,0.1987497943601204,0.19992158365768783,0.20022303691648988,0.20163919741728592,0.20172366603885855,0.20490958236200046,0.20644738079900815,0.20711835792081013,0.20817918836687185,0.20849592400930317,0.21139460062831925,0.21280330652105142,0.21380589098836794],"n_dims_used":45,"mean_confidence":0.9191370646158854},"coverage":{"mean_confidence":0.9191370646158854,"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}}