{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":485,"cluster_id":4850001991},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700004627","472:4720002658","472:4720002524","488:4880005862","473:4730005610","485:4850001992","472:4720001191","470:4700003297","472:4720001309","488:4880002316","472:4720005148","472:4720001534","475:4750000508","472:4720001248","479:4790001346","470:4700000139","484:4840001248","475:4750000038","496:4960011129","470:4700004798","484:4840002302","484:4840001246","480:4800006451","485:4850002129","473:4730005302"],"twin_admin_codes":[470,472,472,488,473,485,472,470,472,488,472,472,475,472,479,470,484,475,496,470,484,484,480,485,473],"twin_sims":[0.0035886369140679083,0.003089108517994758,0.002378226047566441,0.0018911364505667426,0.0008672255782137476,0.0007650560986352794,0.0007603207720208385,0.0005136895813351628,0.0004546601669339239,0.0002725774864016168,0.00022244365296551652,0.00022240376429743955,0.00018184496410362388,0.0001487088357364196,0.00014281037011916318,0.00012009086490165226,0.00009659843482684171,0.00007221546028173303,0.00006332834925256461,0.00005803430161581478,0.00004473740947055623,0.000038636817141755974,0.00003752029261934373,0.00003680373314578425,0.00003267077804723761],"twin_dists":[0.435805171448134,0.4415683954902264,0.4514479184882105,0.45993092108944655,0.4876855802653445,0.4920019072344495,0.49221471680972373,0.5054734868059093,0.5095305796141837,0.5261948680314249,0.5326702543316089,0.5326759331161355,0.5390137360119481,0.5452724409282166,0.5465229808812827,0.5518446862350913,0.5584587254090121,0.5671771098464677,0.5710691371054827,0.5736418440526353,0.5812431222242116,0.5854820515872928,0.5863262412837074,0.5868807004056587,0.5902943184972254],"n_dims_used":44,"mean_confidence":0.8974314602938566},"coverage":{"mean_confidence":0.8974314602938566,"n_dims_used":44,"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}}