{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890005416},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003449","477:4770003310","489:4890005371","477:4770003381","477:4770003391","477:4770002680","477:4770002918","477:4770003247","477:4770003228","489:4890005134","468:4680001909","477:4770003163","489:4890005203","489:4890005229","489:4890005163","477:4770003320","499:4990000000","489:4890004668","489:4890005315","489:4890005395","489:4890005264","489:4890005344","489:4890005121","472:4720006020","477:4770003390"],"twin_admin_codes":[477,477,489,477,477,477,477,477,477,489,468,477,489,489,489,477,499,489,489,489,489,489,489,472,477],"twin_sims":[0.49172588446349025,0.48094214268135177,0.43989883708188127,0.43942281662783494,0.42359274910751815,0.4027531355626011,0.40208841936845713,0.3899561119907958,0.38463662704229773,0.383767764974986,0.35658766657299457,0.3534747166578139,0.3511565618050338,0.34513402910234864,0.33196111077044405,0.32952336246204667,0.3276518318986791,0.3270789177763826,0.3251814803985563,0.32206887130946016,0.31042580088062144,0.29743453645705903,0.2934137069575258,0.29197735150168824,0.2905556316877398],"twin_dists":[0.15474520507657474,0.15714365390302346,0.16644321241578097,0.16655289720691158,0.17022803009834772,0.1751555220072418,0.17531451674608625,0.17823787258458912,0.17953297978589594,0.17974532275089974,0.18651126402430118,0.1873025450519313,0.18789414860520354,0.18944075632521679,0.19287454143291655,0.19351804369083694,0.19401385583752195,0.19416594618416683,0.1946707099238546,0.1955022938775468,0.1986536632085586,0.20225099367020222,0.20338292435809407,0.20378950438141696,0.20419311295388043],"n_dims_used":45,"mean_confidence":0.9202133178710937},"coverage":{"mean_confidence":0.9202133178710937,"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}}