{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003426},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004393","490:4900004104","490:4900004532","490:4900004529","490:4900003826","490:4900004239","490:4900004516","490:4900004383","490:4900009904","490:4900010385","490:4900004394","490:4900003822","490:4900002861","490:4900009392","490:4900004257","490:4900004099","490:4900004531","490:4900010283","490:4900001527","490:4900010192","494:4940008946","490:4900004258","490:4900001958","490:4900003159","490:4900004382"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.3346494805412873,0.3335004220353836,0.30601431917155764,0.2645178696885891,0.2587973254022505,0.22732216088990886,0.20603192588413627,0.1927187689022985,0.1907348277866537,0.1754658895693761,0.16872181028112884,0.16787220611980383,0.14487023365406723,0.13663249225233137,0.13335011805599767,0.12253281080201192,0.12149591940734022,0.11444645853178032,0.11400281032667939,0.11000719324042095,0.10906287804784437,0.10729835927490247,0.10578959698627678,0.10423812189518065,0.09610772187237095],"twin_dists":[0.19216786881335776,0.19246953374805603,0.19986526450995423,0.21180665243017652,0.21354067713035255,0.22354919836119855,0.230849783515808,0.23568003039686483,0.23641945516512552,0.24229933863640885,0.24501254975280598,0.2453598401987689,0.2552895643748402,0.2591287650567661,0.26070679556572085,0.2661239761863212,0.2666620598087139,0.2704165335661253,0.2706586919651701,0.27287303700791676,0.27340542741416973,0.2744098812341313,0.27527896159391513,0.2761827534174707,0.28109865620070357],"n_dims_used":45,"mean_confidence":0.9211558024088542},"coverage":{"mean_confidence":0.9211558024088542,"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}}