{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001784},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001742","480:4800001670","480:4800001726","480:4800001576","488:4880003366","480:4800001790","480:4800001957","466:4660005402","480:4800001898","480:4800001744","496:4960002249","490:4900007627","480:4800000777","469:4690001720","466:4660002960","480:4800001738","466:4660001834","496:4960009786","466:4660004969","480:4800004928","493:4930003585","496:4960008811","496:4960000153","469:4690001081","480:4800001454"],"twin_admin_codes":[480,480,480,480,488,480,480,466,480,480,496,490,480,469,466,480,466,496,466,480,493,496,496,469,480],"twin_sims":[0.367407281579589,0.2654528194894862,0.2545443137677287,0.23414674108562397,0.2336027059006982,0.22737335150285462,0.20265817707530426,0.18886678735358098,0.17201639319024356,0.15303660372512323,0.14868839111103416,0.1450711778875673,0.14216092791869522,0.13941712649654264,0.13906903462196304,0.13763286080167675,0.12220109784723411,0.1204266495319924,0.12010907353361297,0.11987941034632742,0.11970598387311458,0.11825470973970063,0.11664028080031139,0.1157565689795336,0.11555255554360282],"twin_dists":[0.18378816618584262,0.2115254860846594,0.21484556197356017,0.22130607007652905,0.22148329483926027,0.2235322084644983,0.23205300720395558,0.23712060798042378,0.24367759283266893,0.25164019942580734,0.2535649279599709,0.2551979659693027,0.25653387662751315,0.25781213875947556,0.25797564228723546,0.2586534828737635,0.266295736217207,0.2672206272536197,0.2673872524475219,0.267507961569161,0.2675992303028926,0.26836698041019885,0.26922956804712334,0.26970561924753383,0.2698159165818861],"n_dims_used":43,"mean_confidence":0.9213629434275072},"coverage":{"mean_confidence":0.9213629434275072,"n_dims_used":43,"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}}