{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001601},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001710","480:4800001602","480:4800001599","480:4800001652","480:4800001545","480:4800001825","480:4800001329","480:4800001654","480:4800001653","480:4800001544","480:4800001496","480:4800001328","480:4800001495","480:4800001603","480:4800001768","480:4800001826","480:4800001945","480:4800001769","480:4800001327","480:4800001497","480:4800001824","480:4800001600","480:4800000850","480:4800001657","480:4800001767"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8217498241607258,0.7265477190459786,0.6537969472678368,0.5919226149077601,0.5838624986794151,0.5232317808696707,0.49797470508934155,0.46180299383165874,0.4488496337644459,0.42502579079947683,0.39944780741085884,0.3954016451975847,0.39040296790741413,0.37783330367075046,0.3695238882914467,0.29709665138444,0.2897006206763571,0.27014002072625387,0.22299828888997267,0.21499308487974922,0.1854314653777794,0.1813961267405175,0.16871435774552357,0.1344103492363237,0.13078864701837356],"twin_dists":[0.0813804937993447,0.10381044384374442,0.11973250827058446,0.13300306308910084,0.13473059019160857,0.14782098683274547,0.1533625781365557,0.1614436417222532,0.16438922818687907,0.16989304857078708,0.17594730692882724,0.17692063140634215,0.17812945920816936,0.1812018766314967,0.18326020886684383,0.2023457655935163,0.20443640624896345,0.21012510934006515,0.22499353478997683,0.22771775101565186,0.2384228129506888,0.23997432310615147,0.24501559063147516,0.2601939234219022,0.26195865282824277],"n_dims_used":42,"mean_confidence":0.9179436819893974},"coverage":{"mean_confidence":0.9179436819893974,"n_dims_used":42,"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}}