{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013050},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013342","489:4890005399","469:4690005900","494:4940001818","490:4900004308","490:4900002111","490:4900001806","490:4900013268","490:4900000749","477:4770001227","494:4940005791","487:4870003632","493:4930005954","466:4660002532","490:4900001937","479:4790002968","487:4870001293","466:4660000430","488:4880000373","469:4690006159","487:4870010200","490:4900013049","466:4660007920","493:4930003249","490:4900013082"],"twin_admin_codes":[490,489,469,494,490,490,490,490,490,477,494,487,493,466,490,479,487,466,488,469,487,490,466,493,490],"twin_sims":[0.0809950853077027,0.005020741588502007,0.003266493620506454,0.0018333490099057494,0.0014777910304333733,0.001240189657235719,0.0011743322289198266,0.0005146766555960438,0.0002480437718877382,0.00023960960969534855,0.00023461057662065138,0.00021689549792834104,0.00018968566825078504,0.0001497729438572632,0.00014706439191021104,0.00014220393398252297,0.00012876549174009963,0.0001262185537250573,0.00011523310988859996,0.00010820061734828347,0.000104899289785447,0.00010376917930914167,0.00007112022031362994,0.00006492613528161349,0.000059443825107056904],"twin_dists":[0.2911835128591447,0.422608373895429,0.43943040577122777,0.46106763392823713,0.4688885166230514,0.4751521958413697,0.47708524893774507,0.5054094235539889,0.529209622444345,0.530311091370024,0.5309812763706181,0.5334694724621902,0.5376911134067444,0.5450518326653203,0.5456163090191763,0.5466543024785449,0.5497087899791716,0.5503214546961079,0.5531053410285488,0.5550223401015312,0.5559632312208499,0.5562917586521696,0.5676314158930748,0.5703326966354425,0.5729357860727226],"n_dims_used":45,"mean_confidence":0.9115907457139757},"coverage":{"mean_confidence":0.9115907457139757,"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}}