{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004509},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003551","490:4900003292","490:4900009578","490:4900002269","490:4900002419","490:4900000463","490:4900002573","490:4900003425","490:4900002420","490:4900003555","490:4900003002","490:4900003553","490:4900003816","494:4940008063","490:4900002567","490:4900003160","490:4900002104","490:4900002425","490:4900003155","490:4900004237","490:4900010078","490:4900002711","490:4900002864","490:4900003010","490:4900000381"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.05007689625209973,0.04928162653568483,0.048553666694363354,0.04803028693853963,0.046799690976657565,0.04679624919212977,0.0396021005889141,0.03583821398699842,0.03425938212038682,0.03367568916415212,0.0316817585078447,0.03158466807095208,0.026972189243603537,0.026474892798352467,0.026188352336954705,0.02573953706757317,0.025607817963492475,0.02373472652387895,0.023252018840225635,0.02281804061613453,0.022561828383342836,0.021563293338047074,0.02087079998994444,0.0206118371200727,0.02056088732569316],"twin_dists":[0.31781831645988146,0.3186667894695024,0.319453518186921,0.3200252570861458,0.3213903505160107,0.321394210352556,0.3300382939972104,0.33510338559749897,0.33736356520664285,0.3382216469320697,0.341251941612505,0.3414036150553476,0.3491160038930492,0.3500139570007864,0.3505379795436152,0.35136879776929714,0.3516150011491372,0.3552401300035017,0.3562144119489819,0.35710542772206666,0.35763839250466345,0.3597669951405565,0.3612941210443466,0.36187655094453447,0.3619918912485215],"n_dims_used":45,"mean_confidence":0.9296651204427083},"coverage":{"mean_confidence":0.9296651204427083,"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}}