{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010121},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910004856","490:4900010302","490:4900009619","491:4910004803","491:4910005714","490:4900011218","491:4910004957","491:4910005364","490:4900011359","490:4900010818","490:4900010023","491:4910005006","491:4910005468","490:4900011622","490:4900010648","490:4900008655","490:4900012086","490:4900010021","490:4900009821","490:4900011289","490:4900011558","490:4900010214","490:4900009922","490:4900009720","490:4900010675"],"twin_admin_codes":[491,490,490,491,491,490,491,491,490,490,490,491,491,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2723101435806228,0.26129651837916607,0.1668964172881968,0.14462334149776604,0.13088544982622954,0.11947318616678512,0.08654119922385048,0.08102968883106894,0.07745951067574786,0.0736530195082276,0.06666878956535774,0.06368566746689482,0.05799340918028108,0.05677067571408756,0.05254740791203702,0.0521761312941699,0.05066642372104648,0.04424303354833197,0.043003224133367546,0.03480406990716473,0.03394120913920419,0.030408879558750098,0.027510275617597616,0.027142385689498255,0.025272088530031184],"twin_dists":[0.20948184155508318,0.2127801888677946,0.24576027543627046,0.2554022367025115,0.26191100844864873,0.26772190324305156,0.28732127200766494,0.29115876895281245,0.2937575973380501,0.29663686236049014,0.30224884229159077,0.3047928016825724,0.30993103046515236,0.3110885933525776,0.31525220099701046,0.3156313532010464,0.3171965654139419,0.32432534866846496,0.3258001985230845,0.3365739847524224,0.3378297497370754,0.34327282080461125,0.3481603247014847,0.3488119610739726,0.3522475138678715],"n_dims_used":44,"mean_confidence":0.8831178491765802},"coverage":{"mean_confidence":0.8831178491765802,"n_dims_used":44,"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}}