{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006598},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005858","490:4900006718","490:4900007578","490:4900006243","490:4900006235","490:4900005989","490:4900006719","490:4900006961","490:4900006963","490:4900005864","490:4900006357","490:4900005597","490:4900005988","490:4900008618","490:4900007092","490:4900008374","490:4900012198","490:4900007089","490:4900007212","490:4900008059","490:4900008373","490:4900005990","490:4900005732","490:4900006110","490:4900005596"],"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":[0.03588262168647467,0.017163994668396295,0.008246582157459154,0.0009033344459328276,0.0007491852171281564,0.0004043665095153227,0.00028270581751281906,0.0002757695791436239,0.00021387998791970052,0.00021082648607836344,0.00018180352179767724,0.00012601644504704165,0.0001260145525060077,0.00007105484458249383,0.00006376392694937363,0.00004815000264551296,0.00004042533588194185,0.000009302074855169469,0.000006305075080285884,0.000004074325396920871,0.0000039998415142201225,0.0000022077689550967566,0.0000021609821676241205,0.0000020534635936389947,0.0000017594959997599013],"twin_dists":[0.3350410476844578,0.3703104687083743,0.4023157128500141,0.48627261722105053,0.49272005848176453,0.5133966208847172,0.5250240592893259,0.5258215232717858,0.5339119639550023,0.5343660521176399,0.53902086843529,0.5503705705355725,0.5503710308066115,0.5676587430194152,0.5708666421634693,0.5791059368412202,0.5841769408094802,0.6251611501839672,0.6355669333792584,0.6470514674138305,0.6475322563281758,0.662831545587165,0.6633763976311503,0.6646727730967298,0.668582032402542],"n_dims_used":45,"mean_confidence":0.9230310228135851},"coverage":{"mean_confidence":0.9230310228135851,"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}}