{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001833},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002597","490:4900004557","490:4900001671","490:4900001674","490:4900002594","490:4900005379","490:4900001971","490:4900003043","490:4900001823","490:4900004411","490:4900005639","490:4900005109","490:4900004401","490:4900002285","490:4900004558","490:4900004276","490:4900004822","490:4900004266","490:4900005378","490:4900003185","490:4900003603","490:4900004690","490:4900005246","490:4900004444","490:4900004408"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8444105178817806,0.8443807375640641,0.7862202532408933,0.7330383694735162,0.7053907422245601,0.65402085362809,0.579989798603664,0.5692314956235562,0.566119808746184,0.5624477675449596,0.5153311836817613,0.4847747913487046,0.47516614338176344,0.4582926823460177,0.44814236524080237,0.42342298317868365,0.42111867783739626,0.41615065470485635,0.40943304880331843,0.3976656703788563,0.3918649446405295,0.38829336769352174,0.37776580077736377,0.375013096370846,0.3670252887331412],"twin_dists":[0.07553214948925081,0.07554002496064985,0.09007679217031579,0.10235514267999551,0.1085059775203432,0.11968426104911464,0.13556119117659,0.1378711835323484,0.13854017182191433,0.13933020792507134,0.14954701909512771,0.15628934603252784,0.1584352450520689,0.16223889083367535,0.16455095670334152,0.17026774513966936,0.17080747635960256,0.17197539366883477,0.17356420691340763,0.17637544973797303,0.17777516871535387,0.17864179055187285,0.18121850792476762,0.18189795529462557,0.1838836106469699],"n_dims_used":45,"mean_confidence":0.9194498697916667},"coverage":{"mean_confidence":0.9194498697916667,"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}}