{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004914},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004631","490:4900004771","490:4900005576","490:4900005056","490:4900006330","490:4900007551","490:4900005832","490:4900004775","490:4900005571","490:4900007552","490:4900005442","490:4900005966","490:4900005577","490:4900005053","490:4900005706","490:4900005836","490:4900005173","490:4900004779","490:4900004776","490:4900005815","490:4900005578","490:4900004915","490:4900004495","490:4900004632","490:4900001633"],"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":[0.21588132484936592,0.12537692763997962,0.10672925785001602,0.08373868844044677,0.0832042321994182,0.08312236937085915,0.07683406639519877,0.07141243508481668,0.05776965847533292,0.05755067304043523,0.05503636008274696,0.053200564139356386,0.04877194912899334,0.047594700077056955,0.04703544906708658,0.046359626991609976,0.04250308685601623,0.0421196354736914,0.03229084848301348,0.026953020430002375,0.025728431416802627,0.025441495197261185,0.022643126865869674,0.022572255127902965,0.01675513932208021],"twin_dists":[0.22741215158615216,0.2646656382696493,0.27473657464764933,0.289247376371534,0.28962051812656725,0.2896778413300226,0.29422274199384363,0.29838833828387606,0.3101413406132423,0.3103478231618902,0.3127663073698327,0.31459055438606504,0.31921658633297545,0.32050507269414136,0.3211265199186499,0.32188580411537077,0.3264052875042608,0.32687327641603453,0.34030939407262406,0.34915035098534997,0.35138951390206224,0.35192745127801467,0.35746871141082853,0.3576166008153298,0.3714069851429508],"n_dims_used":45,"mean_confidence":0.9210320366753473},"coverage":{"mean_confidence":0.9210320366753473,"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}}