{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":474,"cluster_id":4740001446},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["474:4740001756","474:4740001444","474:4740001654","474:4740001855","474:4740001552","474:4740003212","474:4740001856","474:4740002481","474:4740001551","474:4740002474","474:4740001765","474:4740002377","474:4740001749","474:4740002273","474:4740001451","474:4740001243","474:4740002580","474:4740001861","474:4740001961","474:4740001233","474:4740002275","474:4740001344","469:4690002639","474:4740003307","474:4740002378"],"twin_admin_codes":[474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,469,474,474],"twin_sims":[0.5623185305619467,0.4835837800514827,0.4788847244670769,0.43100522000021624,0.3963749925430875,0.38145004844807395,0.3693210561140289,0.33242148853897957,0.32329251559242933,0.32106474896826,0.3128683802708206,0.2992026463769537,0.2956435073234871,0.29328536096867913,0.2817961284861672,0.2758432223240734,0.264779227295739,0.24920347639609775,0.24305685224994153,0.23559935026651244,0.2023921500189169,0.20169331490416934,0.1921774854116017,0.19072861441435074,0.18710636322734597],"twin_dists":[0.13935802513509837,0.15655459874215963,0.15760314458144578,0.16850033079201182,0.17668607214879353,0.1803128824444819,0.18331073699399927,0.19275330435484664,0.19517484582428518,0.19577151719581753,0.19798705873679243,0.20175609200141922,0.2027540763293509,0.20341920637101285,0.20670628685262746,0.20844127818891278,0.21172799234522216,0.21650396784952308,0.21844100415880457,0.22083418676523328,0.2321484664616574,0.23239964290684204,0.23588124103406136,0.236421779329259,0.2377858248975037],"n_dims_used":45,"mean_confidence":0.9184929741753473},"coverage":{"mean_confidence":0.9184929741753473,"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}}