{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009538},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009640","490:4900009006","490:4900008676","490:4900009641","490:4900010485","490:4900008560","490:4900012023","490:4900011782","490:4900010821","490:4900007905","490:4900009011","490:4900009436","490:4900009440","490:4900012026","490:4900011074","490:4900008992","490:4900010227","490:4900010318","490:4900010484","490:4900009453","490:4900011784","490:4900011955","490:4900009426","490:4900009728","490:4900011651"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.23152930985824455,0.1794511081211875,0.1657495588972556,0.09716048840514788,0.05963152496921999,0.05820829389220732,0.05680220559566007,0.055927879721290714,0.04598378445315111,0.04056120579166613,0.03983401503241145,0.035590412516851196,0.03440753476662888,0.03367201522314137,0.032051502139286675,0.028369789876004154,0.028339692970410627,0.028197656991412617,0.027008020634466785,0.02636525772215626,0.025852404855547278,0.024705671745438952,0.02434793308291906,0.02385266995269473,0.02303856121766337],"twin_dists":[0.22216121956770654,0.24073086583374043,0.2462330756810061,0.2804441696276752,0.3084113511515845,0.3097296825015567,0.3110584867102403,0.31189851095071014,0.3223120800405403,0.32881302452444366,0.32973974139428147,0.33545245039936594,0.33714775052672985,0.33822708797530765,0.34067794755760833,0.34666663131843595,0.34671827289605206,0.34696262258145505,0.34905185679821765,0.35021387615881805,0.3511586943158827,0.35333129123481494,0.3540269094425502,0.3550046888901433,0.35665084974625444],"n_dims_used":45,"mean_confidence":0.8876274956597222},"coverage":{"mean_confidence":0.8876274956597222,"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}}