{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006779},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007153","490:4900007024","490:4900007027","490:4900007150","466:4660000638","496:4960001760","490:4900007146","496:4960004554","496:4960011984","478:4780006543","490:4900001895","478:4780002586","470:4700001091","470:4700001808","490:4900001736","470:4700001963","496:4960001290","496:4960007335","466:4660001525","490:4900007138","496:4960011981","490:4900007275","478:4780006251","496:4960012053","466:4660001726"],"twin_admin_codes":[490,490,490,490,466,496,490,496,496,478,490,478,470,470,490,470,496,496,466,490,496,490,478,496,466],"twin_sims":[0.5367212846769991,0.474321491775389,0.394141557006749,0.3674296782009128,0.34713884283964797,0.3353340680700723,0.3351653993375913,0.33100136279597975,0.3146282975059782,0.30359001287442994,0.3013015427781712,0.29534157369943936,0.28364446733083065,0.28342379206905643,0.2813491250735354,0.2748016896992961,0.2725153644697435,0.2648145214319447,0.26280827139521856,0.2555641511345992,0.25303622403126264,0.2499438510596023,0.24814963238883125,0.24346707904059292,0.24332865662610895],"twin_dists":[0.14488735661871863,0.1586245469319071,0.1772246860155092,0.18378257172460657,0.18892434644829614,0.19198841001999195,0.19203260661826246,0.19312757990326812,0.19750859622114025,0.20053538769172635,0.20117081947420107,0.20283906324793538,0.20617211417371864,0.20623577892520112,0.20683578945078968,0.20874717656241998,0.20942117374060548,0.21171737367809051,0.21232238667679953,0.21453141136746823,0.2153115814255829,0.21627272573306475,0.21683387612428345,0.21831074959735505,0.21835468539693886],"n_dims_used":45,"mean_confidence":0.9127894931369358},"coverage":{"mean_confidence":0.9127894931369358,"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}}