{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001151},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001275","489:4890001342","489:4890000911","489:4890001278","489:4890001028","489:4890001484","489:4890001084","489:4890001343","489:4890001027","489:4890001277","489:4890001274","489:4890001214","489:4890001146","489:4890001086","489:4890000791","489:4890001276","489:4890001215","489:4890001566","489:4890000909","489:4890001149","489:4890001344","489:4890001345","489:4890001148","489:4890001156","489:4890000965"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9655871820524898,0.9316229887383767,0.9191699240210155,0.912424549935688,0.8874193287916139,0.8826587626489081,0.8809184794056375,0.8779995149063113,0.8678924968008442,0.8663325653204136,0.8529914149504539,0.8527849060003939,0.851759941940605,0.8514585601868627,0.8486847502660979,0.8427799176144243,0.8375187883756123,0.8364182209973491,0.8322559107302842,0.8313910744495943,0.8243328443293697,0.8198058992790241,0.8027843988878276,0.7985471438051074,0.7963634595483653],"twin_dists":[0.03437082796354957,0.04888081806842785,0.05332269802975219,0.05560384178193258,0.06347599029283109,0.06488958958962372,0.06540059040501023,0.06625107207083132,0.06913603926392134,0.06957356271856945,0.07323949173098841,0.07329523390817567,0.07357147264836816,0.07365256418980659,0.07439608782348879,0.07596257076039643,0.07734057487366867,0.07762682449823498,0.0787033607489982,0.07892586775795987,0.08072739324877828,0.08186990902266149,0.08608417565058914,0.08711495648878947,0.08764355157817334],"n_dims_used":44,"mean_confidence":0.9136722738092596},"coverage":{"mean_confidence":0.9136722738092596,"n_dims_used":44,"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}}