{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002302},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003465","490:4900001992","490:4900003056","490:4900003726","490:4900003357","490:4900002458","490:4900002603","490:4900003068","490:4900004022","490:4900002907","490:4900001994","490:4900003226","490:4900003865","490:4900003346","490:4900004305","490:4900003592","490:4900001700","490:4900004009","490:4900003347","490:4900004014","490:4900003458","490:4900001720","490:4900002476","490:4900003342","490:4900002606"],"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":[0.8035118732296476,0.7571326992976771,0.7475836907384298,0.6704480101034485,0.6659462814537154,0.6539540871025741,0.6403673552893622,0.6377726826654176,0.615119607625954,0.5383501359922943,0.5229861585388521,0.5224817296015327,0.5169722694745141,0.5075469679560038,0.507156016964071,0.5010678512927976,0.4929656638350484,0.48677082959986917,0.483137415416699,0.46079676058175273,0.4501657010664949,0.4492255752556944,0.444652312348695,0.44359068594931406,0.4402107180462592],"twin_dists":[0.08590651354483918,0.09687918492476268,0.09906435973019236,0.11613555274319795,0.1171099604934908,0.1196986481701174,0.12262150111271573,0.12317872552066021,0.1280352397261678,0.14453415609995032,0.14787455522352644,0.1479845854534481,0.1491879765998761,0.15125399633519043,0.15133990380289156,0.1526800136948188,0.15447048488146642,0.1558452549611781,0.15665406195639964,0.16167138000217843,0.16408854232454706,0.16430330202244872,0.16535043405588912,0.16559409874423844,0.1663713738782885],"n_dims_used":45,"mean_confidence":0.9179139879014757},"coverage":{"mean_confidence":0.9179139879014757,"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}}