{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001925},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003004","489:4890003180","489:4890001841","489:4890002507","489:4890001767","489:4890001757","489:4890002413","489:4890003578","489:4890001671","489:4890001851","489:4890001749","489:4890002018","489:4890001924","489:4890001836","489:4890002172","489:4890001676","489:4890002017","489:4890003524","489:4890001769","489:4890002006","489:4890002508","489:4890003078","489:4890003096","489:4890003326","489:4890002092"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9037981665131307,0.7785468819095596,0.7641705147696553,0.751869771143618,0.7350475088864715,0.7314498182362679,0.729969817001884,0.713747879363209,0.7018023180132149,0.7004576404910773,0.6936922284901533,0.6816837470162327,0.6765605487646696,0.6707672771773217,0.6694122220346205,0.6646940135597662,0.6623757379659506,0.6614881837525716,0.6499707357835209,0.6472050972282913,0.6451479798917062,0.6396850010140853,0.6339959135947404,0.6255030437656335,0.625261850859386],"twin_dists":[0.05841442323139392,0.09189500028225003,0.0952546501091514,0.09808613572429163,0.10190309214005512,0.10271202667458507,0.10304410626333713,0.106659376500955,0.10929592288259024,0.10959150394996708,0.11107524795551772,0.11369611147456504,0.11480983019119485,0.11606638597444512,0.11635989171719299,0.11738074185009699,0.11788172922768639,0.11807343262493926,0.12055653957951368,0.12115167186205751,0.12159409137644576,0.12276806730710656,0.12398936712314053,0.12581065438409658,0.12586235073651683],"n_dims_used":45,"mean_confidence":0.9146692911783855},"coverage":{"mean_confidence":0.9146692911783855,"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}}