{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700003625},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790000341","469:4690001968","466:4660000173","476:4760004314","478:4780000452","496:4960012310","466:4660010254","478:4780003390","470:4700003453","470:4700007462","480:4800005625","466:4660010915","488:4880003308","494:4940001113","466:4660004457","466:4660010086","496:4960000409","466:4660011400","485:4850001368","466:4660011239","500:5000009938","488:4880000731","496:4960005452","498:4980001262","466:4660000872"],"twin_admin_codes":[479,469,466,476,478,496,466,478,470,470,480,466,488,494,466,466,496,466,485,466,500,488,496,498,466],"twin_sims":[0.07645514403402623,0.05893696844451983,0.03641594888426341,0.034583058156825,0.02928576020072641,0.02836857435918018,0.026788531187623747,0.024256859656476247,0.023470139127523083,0.023206492052932567,0.02317035588085753,0.02259982046490815,0.022278419194422878,0.021921270556450687,0.02118660986520787,0.018958968571964246,0.018778450902830826,0.018705739436704047,0.018410995797922956,0.018349171469678186,0.0178801642431689,0.017865495887354713,0.017317843543039838,0.016865397986955733,0.016649719455145328],"twin_dists":[0.2945060324561078,0.3090514398414461,0.33429745728686516,0.33689308654061384,0.34511705062854864,0.34666871604214333,0.34944595481361346,0.354205412241276,0.35577201482809667,0.3563072041544713,0.35638096894905597,0.3575590318679313,0.35823408718931987,0.35899422002166625,0.36059229390076564,0.3657519299514238,0.36619287064809,0.36637152647586346,0.367102004304172,0.36725652330031044,0.36844379513501435,0.3684813652425189,0.3699037847556818,0.37110898839883766,0.37169351797586536],"n_dims_used":43,"mean_confidence":0.9081616068995276},"coverage":{"mean_confidence":0.9081616068995276,"n_dims_used":43,"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}}