{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002621},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002769","490:4900004303","490:4900003713","490:4900004005","470:4700005286","494:4940008681","487:4870002753","490:4900003843","490:4900004850","487:4870002046","490:4900002289","490:4900006539","487:4870001200","490:4900002919","470:4700005586","490:4900002307","494:4940004301","490:4900003744","490:4900003876","487:4870004120","487:4870011341","485:4850000722","487:4870001186","478:4780003858","490:4900004011"],"twin_admin_codes":[490,490,490,490,470,494,487,490,490,487,490,490,487,490,470,490,494,490,490,487,487,485,487,478,490],"twin_sims":[0.2236557210199996,0.2050904273785622,0.13431076143330628,0.1052856618634547,0.0991212667724045,0.0969365042290811,0.08881118656004278,0.08624571648390114,0.0842873554108031,0.08321932050176983,0.07275183241123592,0.06402922558401763,0.06057435835352598,0.059025769983274586,0.057006657997497275,0.05677401098323662,0.055627458836780316,0.05553648362179621,0.05281094265040644,0.04639229027436216,0.046304093888968265,0.043966918305172596,0.04354631600103519,0.03968387652769747,0.03944408013777655],"twin_dists":[0.22477273390807906,0.23118419645320576,0.2602419680492867,0.2755713850324988,0.27923988881328465,0.28058294824417634,0.28579722178916084,0.28752198705355825,0.28886628579598006,0.28960995769004766,0.2973360697505603,0.30449491919270316,0.3075521975696598,0.308969257144043,0.3108635972726848,0.31108540798251305,0.31218965140165594,0.3122780727093903,0.31498442363450063,0.32184889465318234,0.32194860644503237,0.32465077536719633,0.32514980788221554,0.32993285238335057,0.3302425674638798],"n_dims_used":45,"mean_confidence":0.9167648315429687},"coverage":{"mean_confidence":0.9167648315429687,"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}}