{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000435},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000354","490:4900000072","490:4900000179","490:4900000217","490:4900000092","490:4900000183","490:4900000600","490:4900000050","490:4900000131","490:4900000066","490:4900000067","490:4900000778","490:4900000132","493:4930000337","490:4900000728","490:4900004188","494:4940008659","490:4900000402","490:4900000089","490:4900000113","480:4800004881","490:4900000292","480:4800003969","490:4900000725","487:4870010191"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,493,490,490,494,490,490,490,480,490,480,490,487],"twin_sims":[0.5749656009105517,0.50042773344591,0.423685751688837,0.39940486809829495,0.3368557998375697,0.3236708440778212,0.271311131227199,0.25860737547942314,0.18037943046411362,0.17702066723043683,0.14717254136519814,0.14570576988071,0.14182524786876546,0.1319904933185098,0.1186765783180754,0.10171008849674108,0.0863934841727495,0.06872724535840187,0.0578060454697178,0.05573043489750447,0.04856386576473252,0.047766000670216795,0.04605764641895503,0.04343561483967818,0.041747101934608725],"twin_dists":[0.1366394494182253,0.15282117177389082,0.17020627589501697,0.17595761246849334,0.19159021100901086,0.19507374475562436,0.20977757453625182,0.2135986662984672,0.24036906118688964,0.24168443730941366,0.2542456632458078,0.2549093093838128,0.2566892691022545,0.2613690017867556,0.26814306445057134,0.27767814034729466,0.2874215433627406,0.3005470503550475,0.3101070936823234,0.3120897103083804,0.31944242795823763,0.3203159425131798,0.32222807694374156,0.3252818247415942,0.3273313893281006],"n_dims_used":45,"mean_confidence":0.9093967013888888},"coverage":{"mean_confidence":0.9093967013888888,"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}}