{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001198},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004031","490:4900001880","490:4900004035","490:4900000227","490:4900000618","490:4900002926","490:4900000933","490:4900000479","490:4900004321","490:4900001881","490:4900001318","490:4900000929","496:4960011572","490:4900000418","490:4900001323","490:4900002347","490:4900004737","490:4900000276","490:4900000935","490:4900002182","490:4900000923","490:4900001743","490:4900000575","490:4900006644","494:4940008680"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.6961280662025625,0.6665603632000995,0.5866316155230621,0.574255618984796,0.5565578662694357,0.5475767054355425,0.5222579130339956,0.4912916706151438,0.48945550786686015,0.4874117244320274,0.48270569491585585,0.4765802659816522,0.46351709502172095,0.46099487396510885,0.46096998105544557,0.4591277522865636,0.4585517963037583,0.45691831658386417,0.45398893267136853,0.4499305039563883,0.4459240883368674,0.4381647194523886,0.4317067038624704,0.42997510827875135,0.4214308794280805],"twin_dists":[0.11054167364574952,0.11697713328386392,0.13413692414827832,0.13679189087977855,0.14059885099797523,0.14253720257989086,0.14803341399220282,0.15484146995097556,0.15524882595375436,0.1557027830836958,0.1567502893619361,0.15811856093696755,0.16105609570280122,0.1616265275854246,0.16163216290787535,0.16204951226623898,0.16218011530563342,0.1625508421443385,0.16321688665691814,0.1641422543360854,0.16505882889696225,0.16684301305516308,0.1683374616341743,0.16873969536684238,0.17073427762796553],"n_dims_used":45,"mean_confidence":0.9176303439670139},"coverage":{"mean_confidence":0.9176303439670139,"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}}