{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010395},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010394","490:4900010218","490:4900011065","490:4900010037","490:4900010134","490:4900009729","490:4900010982","490:4900010396","490:4900010750","490:4900008343","491:4910005845","491:4910004907","491:4910005844","490:4900010480","490:4900011753","490:4900011290","490:4900010987","490:4900011429","490:4900008438","490:4900009730","490:4900010337","490:4900010478","490:4900011073","490:4900010850","491:4910005701"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,491,491,491,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.47701425137140174,0.15473853166717036,0.08605075206465561,0.07690472546937087,0.07415287980579084,0.062104292887280636,0.05457676896884928,0.04727387738223819,0.041175873607795545,0.03724711567618675,0.024701208783633893,0.023699746278826938,0.02250162509318094,0.022370481835674267,0.020600905439258133,0.020210166851808622,0.018163818051610537,0.01805699113577468,0.016090106884775326,0.015438862684889887,0.013885888684051266,0.013759580675048256,0.013623350641688323,0.01362179216151615,0.013354321863589168],"twin_dists":[0.15802143401289728,0.2508977773777371,0.2876547220863986,0.2941700402657135,0.2962520110991579,0.30618114427229365,0.3132182212458995,0.3208608237271684,0.3280405776093285,0.33315683202045937,0.35333991557788924,0.35531015316499337,0.35776438743589517,0.35803986367925494,0.36190127717114523,0.3627926812356911,0.3677225273173675,0.36799299885086767,0.3732417730930968,0.37510429362547654,0.3798415644593407,0.38024712281953776,0.3806882424892963,0.3806933114336768,0.3815709436030687],"n_dims_used":45,"mean_confidence":0.8862642923990885},"coverage":{"mean_confidence":0.8862642923990885,"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}}