{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012491},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870003961","490:4900006143","490:4900012573","490:4900012420","490:4900003492","490:4900001280","490:4900005903","496:4960008674","490:4900001305","494:4940004846","494:4940007855","494:4940004063","496:4960006641","487:4870006001","490:4900001014","490:4900006010","490:4900001160","490:4900001310","490:4900000768","496:4960005114","487:4870004579","494:4940006166","487:4870001206","466:4660011668","490:4900001306"],"twin_admin_codes":[487,490,490,490,490,490,490,496,490,494,494,494,496,487,490,490,490,490,490,496,487,494,487,466,490],"twin_sims":[0.21589067014350305,0.1347788950627472,0.13350824791125515,0.12706970062061307,0.12123211286703599,0.11403254988570444,0.09799969118337136,0.09452879137305203,0.08737703909355117,0.08554471820633065,0.07227825571301823,0.07213273814881939,0.06822894495219267,0.06668473790206882,0.06591727316988476,0.06360763790470055,0.061637360524873126,0.06092008690703389,0.05707781269832953,0.05478374876329168,0.05397941436063725,0.05206119595181823,0.05200188799840126,0.04896272108239428,0.04843805565302768],"twin_dists":[0.22740894084280427,0.2600163561921481,0.2606301084653565,0.26380954962831393,0.26679951790747486,0.270642436437104,0.27992643081658447,0.2820909035487196,0.28675644130506267,0.28800035918978306,0.297706318446487,0.29782048047592036,0.30095516477812256,0.3022354937591223,0.30288082395236976,0.3048606405071101,0.30659661918793,0.307239906617817,0.31079590607037044,0.31301431056677675,0.3138103312546777,0.3157491807919444,0.3158100657313581,0.3190102389069146,0.3195793670576445],"n_dims_used":45,"mean_confidence":0.9146114773220486},"coverage":{"mean_confidence":0.9146114773220486,"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}}