{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003788},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003512","490:4900003795","490:4900004362","490:4900003392","490:4900004486","490:4900002394","490:4900004902","490:4900003530","490:4900004368","490:4900003802","490:4900002384","490:4900002092","490:4900002091","490:4900002685","490:4900002989","490:4900001250","490:4900004492","490:4900002389","494:4940004446","490:4900006448","490:4900005196","490:4900002527","490:4900003263","490:4900001506","490:4900002996"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.36259509991817784,0.045513520937234105,0.041833833809266065,0.034666143942214345,0.029009856753089407,0.02822375676422339,0.02373599512074222,0.020383899438442318,0.01617014811470184,0.01594438988427445,0.01564506046286123,0.014993333846687332,0.013789406413277428,0.011795009898459944,0.011168983614280441,0.009115097924313795,0.007550250787380298,0.005745469786949116,0.005466674969369864,0.005045744322777626,0.005028751789015049,0.0049288689195287295,0.0046631864490202825,0.004144659562240357,0.004111326212891161],"twin_dists":[0.18499420575785225,0.3228495769128129,0.32722442655400175,0.3367729223091963,0.34557937303657427,0.3469176429449513,0.3552375922173783,0.3623945016919647,0.373017454734798,0.3736526803030152,0.37450722265217967,0.3764187281128959,0.38015106065926524,0.38702068679433616,0.38939025279582545,0.3980954141567814,0.40599747291844895,0.41719209404176816,0.41919833992017846,0.4224100605191035,0.42254474247798907,0.42334484198588446,0.4255468440734281,0.4301938108374534,0.43051030534777607],"n_dims_used":45,"mean_confidence":0.9156524658203125},"coverage":{"mean_confidence":0.9156524658203125,"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}}