{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002072},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["466:4660002743","480:4800001336","480:4800001973","470:4700004199","496:4960003076","480:4800001955","480:4800001859","480:4800001800","480:4800001941","480:4800001689","488:4880000392","493:4930004954","496:4960010056","493:4930004966","466:4660005059","480:4800002018","493:4930004123","480:4800002529","480:4800003870","480:4800001911","480:4800001259","496:4960008812","466:4660003046","493:4930004538","480:4800001970"],"twin_admin_codes":[466,480,480,470,496,480,480,480,480,480,488,493,496,493,466,480,493,480,480,480,480,496,466,493,480],"twin_sims":[0.28686315942373813,0.25693716881592193,0.2518619357237414,0.23503345966620984,0.22236493722624004,0.2200083256943204,0.21682449191015388,0.20884271642220162,0.2035625898285937,0.20022010022119457,0.19323481638822487,0.19192303326118876,0.1907895984663797,0.1850867286701101,0.1844938889579759,0.18226992930868535,0.1813710492110063,0.1800070098072143,0.179641170380972,0.17871224653663648,0.17486968256856072,0.17369390745830282,0.17303291243015878,0.16952772623905324,0.16935715378016836],"twin_dists":[0.20524689224169446,0.21410971872557819,0.21567567665183648,0.22101779044025288,0.22520665903612996,0.22600324435300082,0.2270885805229551,0.22985757998798378,0.23172911615007336,0.23293111614868392,0.23548856680951535,0.23597596467600232,0.23639897001848126,0.23855442272600716,0.23878115448227785,0.2396363125495329,0.2399840407479407,0.24051404971247045,0.2406566831240331,0.24101977939827565,0.24253616307928252,0.2430048961675963,0.24326940345953754,0.24468427781410884,0.2447536630078757],"n_dims_used":43,"mean_confidence":0.920336878576944},"coverage":{"mean_confidence":0.920336878576944,"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}}