{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007888},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008451","490:4900010985","490:4900011157","490:4900010736","490:4900010024","490:4900008769","490:4900011307","490:4900011494","491:4910004958","490:4900010584","490:4900008439","490:4900007774","490:4900010223","490:4900011369","490:4900011889","490:4900009940","490:4900010756","490:4900011503","490:4900010751","490:4900011440","490:4900008228","490:4900010835","490:4900011147","490:4900008225","490:4900011305"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.28660883485134636,0.264384908182148,0.23492966472088023,0.2035363133671056,0.14669978141602114,0.12325576683062933,0.11922085441262768,0.11372450132946088,0.1082987699984979,0.10404131050831122,0.09578035827607186,0.09521937927023362,0.09221258557080945,0.08930273103788516,0.08926743350450415,0.0849531298803769,0.07238503256886908,0.07168943800692115,0.07060099078015107,0.07005671340455402,0.06895265712930213,0.06823112997533506,0.05695096030893139,0.05597350227088059,0.05574503468150183],"twin_dists":[0.20531977086133468,0.21184668810346433,0.22105149819054695,0.23173851241443033,0.254459028799209,0.2657508551941799,0.26785507627098687,0.27081097302687535,0.27383883859351893,0.2762981503800257,0.28130332123436297,0.2816553241634527,0.2835703869068181,0.28547128493546436,0.28549464279032205,0.28840650406393403,0.2976226677560889,0.2981694135831665,0.2990336365956838,0.299469850920483,0.3003632253941708,0.30095336993036037,0.31091663252234664,0.31185441088704585,0.31207555317868274],"n_dims_used":45,"mean_confidence":0.888416035970052},"coverage":{"mean_confidence":0.888416035970052,"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}}