{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011661},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011658","490:4900011660","490:4900011789","490:4900011401","490:4900011475","490:4900011034","490:4900011201","490:4900011801","490:4900011461","490:4900011922","490:4900011867","490:4900011721","490:4900011593","490:4900011273","490:4900012189","490:4900011920","490:4900011544","490:4900011182","490:4900011923","490:4900011197","490:4900011988","490:4900011734","490:4900011253","490:4900011111","490:4900011536"],"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":[0.4632989163843509,0.4117592732515946,0.3824827009350329,0.357299613755693,0.3455060192417226,0.3188738127143528,0.317783308350894,0.31590843277010244,0.31380126239321315,0.30694771142099053,0.30344883804241896,0.28943045225582786,0.2771276691090123,0.2742199357610534,0.2608229812353199,0.25819293577860153,0.24947449559972962,0.24749523929926495,0.2466340232312865,0.24590429462155083,0.23952262409280695,0.23545856255310074,0.2321560235818821,0.22707310076005352,0.223505533307139],"twin_dists":[0.1611053963659112,0.1730127445171677,0.18005980400508773,0.18633079566880983,0.18934481759532967,0.19636058927567163,0.1966546388375517,0.19716152428141495,0.1977332492918408,0.19960807643102194,0.20057450645435504,0.20451337163550684,0.20806500718636406,0.20891834713327578,0.21292393100132467,0.21372528245572353,0.2164192691563752,0.2170391876521333,0.21730992036779906,0.21753979453157024,0.21956912864443276,0.2208798384657312,0.22195588773131175,0.22363189630445682,0.2248231368195846],"n_dims_used":45,"mean_confidence":0.9141574435763888},"coverage":{"mean_confidence":0.9141574435763888,"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}}