{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006732},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007708","490:4900007339","490:4900008259","490:4900007949","490:4900007703","490:4900005996","490:4900006610","490:4900006366","490:4900006970","490:4900008166","490:4900008495","490:4900006121","490:4900008154","490:4900004928","490:4900004792","490:4900008615","490:4900005335","490:4900004941","490:4900006608","490:4900006377","490:4900008383","490:4900008271","490:4900007828","490:4900008733","490:4900008275"],"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":[0.13704169129152996,0.057159672137704814,0.04449293700306636,0.035694013929314164,0.02692753077876657,0.021925628321629777,0.02026210014400789,0.018225380129589724,0.016384107964584005,0.015465707410730131,0.015281847811847828,0.011750314535590759,0.010922806999277791,0.010041278636742522,0.009077810538909832,0.00862615248051505,0.008318938259888725,0.00779449605191651,0.007627809747261164,0.007254396908190096,0.007011517521727815,0.006901007568384674,0.006064239638581771,0.00547005419808824,0.004997842594066274],"twin_dists":[0.25893403796828707,0.3107181172905904,0.32403228177445226,0.3353062620764828,0.3491960565076162,0.3589848805819366,0.36267334312249294,0.36756729207306676,0.3724225797140385,0.37502616552621004,0.37556367471923546,0.3871861147913504,0.3903545015274639,0.3939738159761732,0.39826905672991747,0.40042462088312175,0.40194929100706756,0.4046726231436455,0.4055726566838852,0.407654790967068,0.40906138747073456,0.4097159429201899,0.4150031938200158,0.41917347419335027,0.42279078727395875],"n_dims_used":45,"mean_confidence":0.9309744093153212},"coverage":{"mean_confidence":0.9309744093153212,"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}}