{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012011},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011491","490:4900001525","490:4900010631","490:4900008733","494:4940008960","466:4660004474","490:4900002851","490:4900009896","490:4900002252","490:4900011747","490:4900005901","490:4900009994","490:4900002703","490:4900011419","490:4900011810","490:4900009711","490:4900008397","490:4900009986","466:4660004807","490:4900007855","490:4900008615","490:4900007728","490:4900002408","490:4900009603","494:4940008890"],"twin_admin_codes":[490,490,490,490,494,466,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,494],"twin_sims":[0.1641322031466333,0.14176934699483454,0.12766879416800112,0.11126107963512358,0.09075539581542508,0.05989087937352748,0.05420409331408471,0.051683000625300665,0.051297491143367166,0.04993725038977879,0.045207964958827805,0.04498739748942993,0.044724106932818586,0.04422603455791524,0.03816290581831444,0.03662539474155965,0.035918055777368396,0.03459364595189448,0.03396523538495183,0.03055896252839556,0.030460354460764116,0.027931418601061353,0.02598184701609867,0.025961099911123282,0.025258456520761762],"twin_dists":[0.24690387231058286,0.2567151732146254,0.2635086402001292,0.27217155046299674,0.2845162826698919,0.30817390806234135,0.31358699101347337,0.31613842496199296,0.3165376413946458,0.3179664878858476,0.3232013180990889,0.3234564655843308,0.32376241166761743,0.32434533417202105,0.3319248028831532,0.3340079650578757,0.33499135360306165,0.3368777601061759,0.3377944169864009,0.3430308166338531,0.3431897040369124,0.3474235077071808,0.35091871019370957,0.35095710551865994,0.35227334953767736],"n_dims_used":45,"mean_confidence":0.9166595458984375},"coverage":{"mean_confidence":0.9166595458984375,"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}}