{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002192},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000620","490:4900004598","490:4900001344","490:4900000342","496:4960011907","490:4900000345","490:4900004035","490:4900000156","490:4900002181","490:4900000950","490:4900000727","490:4900001300","490:4900001478","496:4960006511","490:4900003613","487:4870004419","490:4900001337","490:4900000523","490:4900001885","490:4900000430","490:4900001200","490:4900007019","490:4900005014","496:4960006885","490:4900004175"],"twin_admin_codes":[490,490,490,490,496,490,490,490,490,490,490,490,490,496,490,487,490,490,490,490,490,490,490,496,490],"twin_sims":[0.5186789765418783,0.46307879494987975,0.43268940486810475,0.41237016193310266,0.4078651707744331,0.40528988207564376,0.40223408479899236,0.38622088406011024,0.3857810728288246,0.3743884991205144,0.37170579968712353,0.3714721513456177,0.3564285773703623,0.3508475611766397,0.34175894883079233,0.33896203158928434,0.3291297245664755,0.3242122246876777,0.31933370705930725,0.317986558525278,0.312419073585805,0.31138072931525396,0.3106209151174564,0.30453679301248415,0.2998418045569147],"twin_dists":[0.1488148698385754,0.1611551442710309,0.16810947998905884,0.17286815132668565,0.17393667068105548,0.1745498333824453,0.17527966462124123,0.17914638727954735,0.17925363488814697,0.18205246331049982,0.18271753542623467,0.18277557154936422,0.18655161619787342,0.18797316056909202,0.19031373430738147,0.19104066306307835,0.19362219856235294,0.19492918547412433,0.19623675052600056,0.19659979029871777,0.19810945549163037,0.19839269815650476,0.1986003046432235,0.20027331251598465,0.2015776107358098],"n_dims_used":45,"mean_confidence":0.9167498270670573},"coverage":{"mean_confidence":0.9167498270670573,"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}}