{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003074},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770002996","477:4770003458","477:4770003246","489:4890005264","477:4770003321","477:4770002146","477:4770003380","489:4890005119","489:4890005373","489:4890005202","489:4890005194","489:4890005224","489:4890005265","477:4770003448","477:4770003450","489:4890005130","477:4770003388","477:4770003247","489:4890005052","489:4890005345","489:4890005236","489:4890005198","489:4890005257","489:4890005162","489:4890005199"],"twin_admin_codes":[477,477,477,489,477,477,477,489,489,489,489,489,489,477,477,489,477,477,489,489,489,489,489,489,489],"twin_sims":[0.8111322858201653,0.7818873478336931,0.7640944863617923,0.7372288258385402,0.7054454464378167,0.6971964342245193,0.677128783591157,0.6589647669654766,0.6582539457119321,0.6339113979405394,0.6066547500118081,0.6007578384279958,0.6006377732545676,0.5938283625073941,0.5894601777388699,0.5818418673614746,0.5800104543190416,0.5763321264025156,0.5756007522168116,0.5713598980759725,0.5704584203096411,0.5587320095641564,0.5573541891377125,0.5497476353996597,0.5488897428274916],"twin_dists":[0.08403273232664502,0.09110574578691781,0.0952722669719566,0.1014114274156556,0.1084939218229903,0.1103074230263135,0.11468642286267779,0.11861817531203275,0.1187715481042836,0.12400750185496738,0.129847916239014,0.1311106404618607,0.13113635200721238,0.1325947856381636,0.13353069445822344,0.13516391418203708,0.1355567598723676,0.1363460911495805,0.1365030903859386,0.1374138329100769,0.13760751942032903,0.14013033862327365,0.14042721853619228,0.1420681992657634,0.14225349964293552],"n_dims_used":45,"mean_confidence":0.9222300211588542},"coverage":{"mean_confidence":0.9222300211588542,"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}}