{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000950},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001204","488:4880003177","480:4800004175","485:4850002789","499:4990002957","489:4890002762","474:4740001190","481:4810003472","484:4840004385","480:4800004173","489:4890002851","488:4880002232","480:4800004861","488:4880003034","488:4880003178","487:4870011803","473:4730003251","470:4700001325","479:4790003875","485:4850004666","478:4780007830","472:4720006297","468:4680001308","496:4960005511","478:4780001792"],"twin_admin_codes":[499,488,480,485,499,489,474,481,484,480,489,488,480,488,488,487,473,470,479,485,478,472,468,496,478],"twin_sims":[0.016977454570546734,0.013693909057423483,0.0050812281419505435,0.004792426026763271,0.0035318525804497714,0.003340921978125377,0.0029642541607782947,0.002659046152142763,0.0024109089975975,0.0023987335564162626,0.0023739239488746564,0.0016285369874238088,0.001356364496123867,0.00124990513880369,0.0009100102006022293,0.0008725850869461403,0.0007478696168264029,0.0007264306549171767,0.0006774858557106521,0.0005876477143213889,0.0005785798779647173,0.0005307288836005577,0.0005009170413005691,0.000494382341879858,0.0004752533892283884],"twin_dists":[0.37080787891007716,0.3804592867698556,0.4221301366941388,0.4244618753605172,0.43642205889538416,0.4385647589462401,0.4431415644617877,0.44725831204895067,0.45093766445757005,0.45112700466282435,0.4515155622645487,0.4653811994196556,0.47196279050151924,0.47487510494784296,0.4860171507293442,0.48747244414675783,0.4927802225644448,0.4937747912882907,0.4961518831809911,0.5009649026268611,0.5014882291190204,0.5043833935404367,0.5063129880361509,0.5067502575964478,0.5080620372656077],"n_dims_used":45,"mean_confidence":0.9004723442925348},"coverage":{"mean_confidence":0.9004723442925348,"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}}