{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003207},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000691","490:4900003614","490:4900003734","490:4900000690","490:4900001325","490:4900000692","490:4900002001","490:4900003887","490:4900001567","490:4900001557","490:4900002490","490:4900000919","490:4900001426","490:4900001024","490:4900003864","490:4900003622","490:4900003621","490:4900001697","490:4900004585","490:4900003890","490:4900004036","490:4900001071","490:4900003868","490:4900002493","490:4900002613"],"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":[0.6698493939653684,0.6516114917649373,0.5941757533348766,0.585039906188381,0.5585763926946039,0.5507186966504932,0.5480567615389488,0.5417331352437449,0.5272322473846958,0.5190896153994388,0.5179646791759412,0.5072550708432358,0.5057767095658132,0.5015984370840554,0.49469433294013415,0.48849921787588185,0.48517225015878995,0.47863291051411516,0.4768118336592164,0.46406756495460705,0.4623059896805185,0.4611948295787449,0.455353054033105,0.45380036975633586,0.44850382159902913],"twin_dists":[0.11626521614047931,0.12020327809134508,0.13252036840052137,0.13447814492498153,0.1401638642712565,0.14185851231319108,0.1424334654431233,0.1438012373873007,0.14694930996929145,0.14872514310683385,0.14897098793171706,0.15131813608148773,0.1516431323615057,0.15256304729399447,0.15408776998743037,0.15546116187397055,0.15620087208887531,0.15765942642180225,0.15806673198606525,0.16093174498184623,0.1613298656194228,0.16158126501646147,0.16290653663330504,0.16325981327957007,0.16446829179971412],"n_dims_used":45,"mean_confidence":0.913008287217882},"coverage":{"mean_confidence":0.913008287217882,"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}}