{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011509},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011443","490:4900011308","490:4900010498","490:4900010581","490:4900011444","490:4900011244","490:4900011171","490:4900011504","490:4900011377","490:4900010497","490:4900010584","490:4900011506","490:4900011307","490:4900011570","490:4900010314","490:4900010240","490:4900007889","490:4900010243","490:4900010567","490:4900009942","490:4900010052","490:4900010325","490:4900009519","490:4900010315","490:4900010651"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.06422277312686382,0.053308312574852953,0.04385776313968381,0.039576796518140424,0.030864155815386707,0.022034951774260774,0.017639115866509496,0.016127983266749128,0.014542266110276448,0.01446631406594632,0.01378665964969696,0.01271393709382407,0.01253989391372115,0.010946067827944439,0.010138535617323977,0.009469344528976787,0.006781683764755182,0.006325334626503282,0.005802669264912613,0.005673762004192926,0.005407221967454318,0.004826373564299141,0.004245903564449399,0.0036183317642963495,0.0031348505554034804],"twin_dists":[0.30432767895762175,0.31448205376473126,0.3247798981327818,0.3300709582572156,0.3425418256016768,0.3587511078887208,0.369064646172804,0.3731355012601239,0.3777850364629727,0.3780187654618255,0.3801598997054566,0.3837370897973155,0.38434248375786795,0.3902625691383242,0.3935609159142399,0.3964766515721827,0.4104333758785241,0.41328634536573106,0.4167913806556718,0.4176995667308983,0.41963810758598696,0.42418128562996454,0.42924650276816745,0.4354861093051133,0.44100655545554573],"n_dims_used":45,"mean_confidence":0.8907729254828559},"coverage":{"mean_confidence":0.8907729254828559,"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}}