{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005008},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001485","490:4900004463","490:4900005140","469:4690001171","487:4870006001","496:4960004668","493:4930004836","496:4960006753","493:4930001289","490:4900004727","466:4660013438","470:4700002196","487:4870006884","490:4900000799","490:4900003079","466:4660003291","490:4900004584","490:4900002930","496:4960006641","493:4930004390","490:4900004839","494:4940008592","466:4660005336","490:4900002789","487:4870005430"],"twin_admin_codes":[490,490,490,469,487,496,493,496,493,490,466,470,487,490,490,466,490,490,496,493,490,494,466,490,487],"twin_sims":[0.3455907311101869,0.34183636241429755,0.3140578318809388,0.28403074890671637,0.252932383102305,0.22971269257380936,0.22538254684987535,0.22262183779639017,0.20628626655183696,0.1871575085054468,0.1766776361806385,0.16665193596317562,0.14804708666905603,0.14385719290711343,0.14250857534548128,0.141799095416923,0.13986789985723647,0.13767800814925119,0.1351650780968066,0.1345660807366827,0.1326236533471597,0.1282470025964622,0.12586061359082812,0.12517273855280503,0.12311965048995273],"twin_dists":[0.18932297749017704,0.190293659630631,0.19766351965400786,0.20606074392087065,0.2153437345269762,0.22275847882264907,0.22419482412516695,0.22512016266619697,0.2307596229977875,0.23776643671615552,0.24181977165165877,0.24586086758820241,0.2538522956449431,0.25575278879418256,0.25637323161110004,0.25670138703763956,0.25760085637615887,0.2586320940845158,0.25983068182146785,0.2601188466674666,0.26105998528045404,0.26321923292401733,0.2644201328540512,0.26476949477892303,0.2658209778989694],"n_dims_used":45,"mean_confidence":0.9154858059353299},"coverage":{"mean_confidence":0.9154858059353299,"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}}