{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001614},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930004272","487:4870004992","490:4900000508","490:4900001886","490:4900000513","487:4870005870","490:4900004734","490:4900001480","487:4870004861","490:4900000947","490:4900001889","490:4900002026","470:4700006112","466:4660000210","496:4960000441","466:4660009096","470:4700001223","466:4660005227","490:4900007267","490:4900003485","466:4660000139","469:4690002337","466:4660011030","490:4900000207","466:4660000169"],"twin_admin_codes":[493,487,490,490,490,487,490,490,487,490,490,490,470,466,496,466,470,466,490,490,466,469,466,490,466],"twin_sims":[0.34696960057762233,0.3305162702941574,0.3292285262101519,0.3102761021437038,0.303002585424466,0.30057960002625955,0.30052951648935683,0.2942327222682668,0.2869358378699623,0.2836472237263331,0.27864361326550124,0.27107286962677724,0.26425939641540186,0.25979917053686846,0.25873531708912295,0.25835713121218795,0.2575652113630079,0.2559907100457261,0.25491365300317775,0.25480949182807594,0.2544437595308581,0.2538158725640574,0.25334416986917735,0.2506208252097251,0.24945091462107027],"twin_dists":[0.188967879712066,0.19325562786047676,0.19359604964225902,0.1986946148595958,0.20069823014470187,0.20137186202239227,0.2013858194546621,0.20315161860722752,0.20522607280491692,0.2061713191433634,0.20762228721750325,0.209848205110092,0.21188449213826357,0.21323526990703692,0.21355960448838898,0.21367510352057997,0.2139173039630684,0.21440024983481362,0.21473169872684394,0.2147637998767732,0.21487657989744433,0.21507044016684526,0.21521627900472157,0.2160616685935729,0.216426636324356],"n_dims_used":45,"mean_confidence":0.9062939961751302},"coverage":{"mean_confidence":0.9062939961751302,"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}}