{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001773},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001771","490:4900002675","490:4900002977","490:4900001497","490:4900003117","490:4900002976","490:4900002978","490:4900003516","490:4900002526","490:4900002380","490:4900002529","490:4900003121","490:4900002997","490:4900002377","490:4900002534","490:4900003809","490:4900002382","490:4900001914","490:4900002527","490:4900002081","490:4900003122","490:4900002234","490:4900001112","490:4900001115","490:4900002228"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5295024959299871,0.4801229309480433,0.4455918720128873,0.42041705801958024,0.4098787090990294,0.4078527173852755,0.4026865166934116,0.381446931352969,0.3134480730351356,0.29284273616944234,0.2819943290979848,0.26179245189402395,0.258334422271953,0.2500310854539035,0.22436488629426596,0.22370364034543683,0.21722282514344438,0.20367263265235544,0.19982408094930737,0.1952135008653271,0.18265844806363624,0.18227413607857182,0.17289008313037796,0.15328089706975756,0.14816680727892975],"twin_dists":[0.14645528504489994,0.1573265362029587,0.16513497201096133,0.17097206164705087,0.17345845100226417,0.17393963162654297,0.17517145136835643,0.1803136468682269,0.19782929102125646,0.20354440379441724,0.2066489053952873,0.21262982343711676,0.21368204228621585,0.21624550857455122,0.22453504244601957,0.22475665695443395,0.22695220940515193,0.23168977470094254,0.2330744421853945,0.23475771492375852,0.23948639052105336,0.23963468802880988,0.24332665365802233,0.2515332619634809,0.25379857934831485],"n_dims_used":45,"mean_confidence":0.914249759250217},"coverage":{"mean_confidence":0.914249759250217,"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}}