{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009548},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009016","490:4900009558","490:4900009135","490:4900009645","490:4900009627","490:4900010234","490:4900009543","490:4900009760","490:4900009842","490:4900008900","490:4900009416","490:4900011689","490:4900009745","490:4900007991","490:4900008662","490:4900009435","490:4900009445","490:4900011572","490:4900011373","490:4900010756","490:4900011649","490:4900008452","490:4900011303","490:4900011585","490:4900010038"],"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":[0.0015208591100652003,0.0007004680681126688,0.0004922864545008772,0.0004114135528893369,0.0003318779095205308,0.00018668428399184692,0.00016776814899517164,0.00012069860687638201,0.00008450302211863825,0.00007721327276327725,0.0000708828693813248,0.00005371942706304198,0.000044832522270823445,0.000041937632451612215,0.000039722963724165666,0.00003224556933483541,0.00003149348454980915,0.0000279585842528854,0.00002610905699041442,0.00002502720143970061,0.000019517596789427168,0.00001825895122812748,0.000014923753010022342,0.000014249269352783896,0.000013451563679203727],"twin_dists":[0.4678539772222992,0.49501646021727375,0.5068916481285015,0.5128286715043434,0.5198466555368296,0.5381912156148333,0.5415291947977349,0.5516903726328592,0.562484688020625,0.5651835431254978,0.5677307427792614,0.5759091052850279,0.5811814883063033,0.5831155341996124,0.5846827996868856,0.5906685374123044,0.5913420840165663,0.5947283414366226,0.5966663015709014,0.5978614355179933,0.6048357946828105,0.6066919583857983,0.6122740231369155,0.6135467877738278,0.6151285474070675],"n_dims_used":45,"mean_confidence":0.8945999145507812},"coverage":{"mean_confidence":0.8945999145507812,"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}}