{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002613},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002769","499:4990002280","499:4990002020","499:4990002612","499:4990002194","499:4990001839","499:4990002367","499:4990002844","499:4990002365","499:4990001476","499:4990001939","499:4990003128","499:4990002281","499:4990001385","499:4990001564","499:4990001656","499:4990001389","499:4990003061","499:4990002772","499:4990002028","499:4990002915","499:4990001932","499:4990000662","499:4990002919","499:4990001390"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.8590051312201525,0.8576758473953628,0.8394913993603674,0.8322478805662783,0.8239082755117152,0.779886390391742,0.7764696242383027,0.7684475627492349,0.7620606913612368,0.7519487557645499,0.7467212228164503,0.7446529355352297,0.7401524909222816,0.738024765805459,0.7349051903179868,0.7348069793890705,0.7254459496030199,0.7073899333650071,0.7025064606525483,0.6946377395609958,0.6929520964693845,0.6903864495640505,0.6885375905167521,0.6862697679409819,0.6751235762713275],"twin_dists":[0.07160322973533952,0.07196712058529732,0.0768257921160269,0.07870542859566156,0.08083496416345957,0.09157892488339539,0.09238408855984426,0.09426113701406467,0.09574297153302848,0.09806806992557641,0.09926071105712145,0.09973092703527024,0.10075097294602686,0.10123179311031374,0.1019351386139388,0.10195725092815434,0.10405673444945503,0.10806513139726671,0.10914104849337947,0.11086821508075868,0.11123723787336225,0.11179828913478713,0.11220214142532291,0.1126970072838665,0.11512177833901623],"n_dims_used":45,"mean_confidence":0.9298982408311632},"coverage":{"mean_confidence":0.9298982408311632,"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}}