{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011359},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012086","490:4900010302","490:4900012018","490:4900010818","490:4900010023","490:4900010213","490:4900010121","491:4910005006","490:4900011144","490:4900009720","491:4910005714","491:4910005468","490:4900009625","490:4900011949","491:4910005364","490:4900011218","490:4900010120","490:4900010122","491:4910004957","490:4900011289","491:4910004803","491:4910003996","497:4970000326","490:4900010022","497:4970000272"],"twin_admin_codes":[490,490,490,490,490,490,490,491,490,490,491,491,490,490,491,490,490,490,491,490,491,491,497,490,497],"twin_sims":[0.18893076457126928,0.18620777088312765,0.1673328421056127,0.1575051041457677,0.11684817596729591,0.08376974617721697,0.07745951067574786,0.06972057644837278,0.05666395037484685,0.04908652222042394,0.04388551354184202,0.04195062449288799,0.040995345260094164,0.03777465987087442,0.03400690164602077,0.028313861183663358,0.026998514213123853,0.024895451550782887,0.024864811617715914,0.024172671273747913,0.024138548932412237,0.0213441620589673,0.02107239015957475,0.020860246959597924,0.02066730378113588],"twin_dists":[0.23709651465945347,0.23812707228021707,0.24558097155977537,0.2497035817373128,0.26911797836541435,0.28922575129644595,0.2937575973380501,0.2997406260485814,0.31119060374756047,0.31887668868843566,0.32474704581922,0.3270806882937608,0.3282664312098294,0.3324440241605751,0.33773319347421116,0.34676263381066,0.3490688685055643,0.3529657967128535,0.35302464232196007,0.3543709371559257,0.35443816811154377,0.3602455624208461,0.36084506762779295,0.36131773237799153,0.3617512673907431],"n_dims_used":45,"mean_confidence":0.8856791178385417},"coverage":{"mean_confidence":0.8856791178385417,"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}}