{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":488,"cluster_id":4880006399},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700004762","496:4960000574","487:4870006326","469:4690003437","470:4700007583","469:4690003838","487:4870011703","487:4870012039","466:4660010762","488:4880006415","487:4870011574","469:4690006871","487:4870011690","493:4930003606","493:4930001187","479:4790001721","493:4930003776","487:4870006913","480:4800005616","496:4960000969","466:4660012931","470:4700003896","487:4870011809","487:4870003998","466:4660004759"],"twin_admin_codes":[470,496,487,469,470,469,487,487,466,488,487,469,487,493,493,479,493,487,480,496,466,470,487,487,466],"twin_sims":[0.26120128648390195,0.24643623664194755,0.2239504885872229,0.20480630270722044,0.19632545016947545,0.19060946215293603,0.18969371075062072,0.1863751236427567,0.18559086521573226,0.18013317967129708,0.17531129455976283,0.1739149726249467,0.17109732525737031,0.16999768684715041,0.16763932748386037,0.15491022045899858,0.1510286273831041,0.15089822907162984,0.15063737087618287,0.14974659818036115,0.14973555231251157,0.14669978141602114,0.14067933886801903,0.13671906538222584,0.13506901788589748],"twin_dists":[0.21280908335381166,0.21737218249876752,0.22467387558664306,0.23128532159244633,0.23434925732701456,0.23646635946580613,0.23680963408235328,0.2380634312870621,0.23836201721647432,0.24046490625899858,0.24236069147203607,0.2429165940559981,0.2440481392204687,0.2444933669998429,0.24545525418435715,0.25082321528899865,0.25252395844338676,0.25258164780647047,0.2526971639275522,0.2530927390273731,0.2530976551497413,0.254459028799209,0.25722180233941255,0.25908753079739805,0.259876829738148],"n_dims_used":45,"mean_confidence":0.912420654296875},"coverage":{"mean_confidence":0.912420654296875,"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}}