{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012094},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012158","490:4900011822","490:4900011821","490:4900008783","490:4900007886","490:4900011755","490:4900010392","490:4900012095","491:4910004959","490:4900011362","490:4900011624","490:4900008008","490:4900011496","490:4900010303","490:4900010308","490:4900010026","490:4900010027","490:4900010130","490:4900012159","490:4900012093","490:4900008781","490:4900011431","490:4900010482","490:4900011625","491:4910003786"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.5354679262031603,0.481919532954347,0.46656388371533264,0.4387431444147535,0.38781226593895624,0.3408146414548698,0.30497385446082276,0.26412382313095234,0.261970189569194,0.2550522440486756,0.24943945551104382,0.21388860746635072,0.20701239954455825,0.1969546991221495,0.1951207407364793,0.18197033117369973,0.17425808550130117,0.1737092911518036,0.1672958709753422,0.16498337409895178,0.16352092117662967,0.16050301102694478,0.155482737320023,0.14736382264686526,0.14597401347287964],"twin_dists":[0.14515927835144962,0.15692558861607353,0.1603684705678372,0.16670958828086266,0.17875881283382938,0.1905588054636648,0.20015249026934223,0.21192533928887983,0.21257597743095313,0.214688999623332,0.21643021653974107,0.22809893772755055,0.23050263527513942,0.2341188222835884,0.23479186179607942,0.23975207599083184,0.2427796999061487,0.2429987487181876,0.24559614797087193,0.24655025768467703,0.2471586453997823,0.24842667975944707,0.2505750152752683,0.2541594783099977,0.2547875734319105],"n_dims_used":44,"mean_confidence":0.8837523026899858},"coverage":{"mean_confidence":0.8837523026899858,"n_dims_used":44,"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}}