{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001269},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001510","480:4800001388","480:4800001565","480:4800001661","480:4800001323","480:4800001450","480:4800001379","480:4800002302","480:4800002539","480:4800002102","480:4800001838","480:4800001387","480:4800001507","480:4800002206","480:4800002019","480:4800001502","480:4800001830","480:4800002337","480:4800001563","480:4800001966","480:4800002201","480:4800001099","480:4800001271","480:4800001714","480:4800002061"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.3941237558525633,0.3825185196843786,0.36191935865172126,0.2356267737365316,0.2306865571059875,0.22142994434054364,0.19274298900592726,0.18911574653404872,0.18652276977260443,0.14771261171007713,0.14514825474382542,0.1431707821586698,0.14019510766023946,0.13534595432710506,0.11810815111656016,0.1167719675055837,0.11670913423209922,0.11358119916625883,0.11334218763859792,0.11280244968773762,0.10774047069773639,0.10371236847713579,0.09915227025192154,0.09891390697518504,0.09656420905686672],"twin_dists":[0.1772289845849936,0.1800510315776544,0.18516420757722102,0.2208252965316414,0.22243791047401637,0.22552202813945715,0.23567103629319297,0.23702688400482225,0.23800731765943556,0.2540025381764929,0.25516285620860607,0.2560680353917855,0.2574478084253486,0.2597438544995714,0.26844491275593174,0.269158866275237,0.26919259343355945,0.27088949495392184,0.2710206304216052,0.27131754737312075,0.27415701342365206,0.27649140009776435,0.2792209975670353,0.27936635787022673,0.2808141775465305],"n_dims_used":43,"mean_confidence":0.9204846759175145},"coverage":{"mean_confidence":0.9204846759175145,"n_dims_used":43,"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}}