{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008369},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008367","490:4900007802","490:4900008368","490:4900008137","490:4900008245","490:4900008701","490:4900008366","490:4900008256","490:4900007801","490:4900008695","490:4900008476","490:4900007916","490:4900008589","490:4900009251","490:4900007915","490:4900008135","490:4900008923","490:4900008255","490:4900008911","490:4900009129","490:4900008038","490:4900009252","490:4900009210","490:4900008136","490:4900007800"],"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":[0.1004088867826919,0.056516007735427164,0.024714496378730508,0.018842046200318496,0.01519113855356355,0.0142188115677442,0.01133795383364449,0.009652226472535896,0.008298514211795751,0.006416848297998418,0.004893333632272955,0.004196133488030306,0.004185359993730378,0.0019786973873936265,0.0012485322630527498,0.0011924894446174188,0.0009238103627149803,0.000902481751079293,0.0007991111767215439,0.0007518874612038872,0.000292453547030639,0.00022919832270332523,0.00019411736810162177,0.00016862059681171712,0.00014445241452623432],"twin_dists":[0.27845917299480716,0.3113322732761526,0.3533142422502048,0.3660371088096275,0.37583096149623757,0.3787879955949025,0.38873928769798194,0.3956620092392359,0.40205243128617946,0.4126996879147107,0.423633038321576,0.4297095899972573,0.4298104890457644,0.45826803269625727,0.4749141389643765,0.47654247241852504,0.48549451967715446,0.4863053741648788,0.49050657155070654,0.49259678913425975,0.5239338585336711,0.5317221675004072,0.5369661452314525,0.5413713077867582,0.5461700255207564],"n_dims_used":45,"mean_confidence":0.8886666191948784},"coverage":{"mean_confidence":0.8886666191948784,"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}}