{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012753},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012887","490:4900012484","490:4900012258","490:4900012958","490:4900012902","490:4900012834","487:4870001278","490:4900012832","487:4870001279","490:4900012885","490:4900013038","490:4900012941","490:4900012890","490:4900012476","490:4900013031","490:4900012888","490:4900013069","490:4900012991","490:4900012538","490:4900013170","490:4900013105","490:4900012343","490:4900012415","490:4900012893","490:4900013204"],"twin_admin_codes":[490,490,490,490,490,490,487,490,487,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5794883307494967,0.23874300635424753,0.19314830735903363,0.13980992966501235,0.11694302867443362,0.10402428496757124,0.07290550622868748,0.06993037023132416,0.06523963953658453,0.056767879755974,0.05572413330569958,0.05199769613713915,0.048044694567305674,0.046085567349141286,0.04466786928675724,0.04176165389289957,0.03885092231070774,0.03751983247050671,0.03723169453797304,0.03602178353752754,0.03459091848266015,0.0341855225382841,0.03377795402146916,0.03327103915060152,0.03293588416290448],"twin_dists":[0.13566877589233212,0.21981943498962267,0.23552063848028232,0.2576279991489878,0.26906711587701404,0.2763081410013929,0.29721634465097485,0.29957150265930665,0.3034557361996222,0.31109126376926516,0.312095821788172,0.31581437123595657,0.3200094487426943,0.3221963519000547,0.32382795612252574,0.3273134299464087,0.3310155704760242,0.3327872812987473,0.33317779722023466,0.33484612101375383,0.33688170789080746,0.3374714539076304,0.3380703971548329,0.3388239918202293,0.3393276395295836],"n_dims_used":45,"mean_confidence":0.9155316670735677},"coverage":{"mean_confidence":0.9155316670735677,"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}}