{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001630},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001632","487:4870000586","487:4870000658","487:4870000593","487:4870001725","466:4660013306","487:4870000456","487:4870001815","487:4870001907","487:4870000900","487:4870000668","487:4870001721","487:4870000462","487:4870000667","487:4870001553","487:4870001713","487:4870000463","487:4870001722","497:4970002615","487:4870001443","466:4660013862","487:4870001804","487:4870001620","497:4970002024","497:4970002678"],"twin_admin_codes":[487,487,487,487,487,466,487,487,487,487,487,487,487,487,487,487,487,487,497,487,466,487,487,497,497],"twin_sims":[0.556800009982464,0.29712936279382085,0.22828906718742742,0.2110047785662882,0.19714216000607054,0.16778967701184538,0.16090640494622138,0.1592624949979648,0.13872512077002666,0.1386160599534906,0.13324904974558874,0.1283978616669952,0.12629923885245298,0.1154349906461354,0.1151799688388808,0.10514458663269158,0.10276801011314494,0.09596523050129778,0.09208321067807111,0.08878457349649066,0.08861016830450306,0.08315733075383125,0.0757949432375094,0.07239545670485949,0.07048773788077456],"twin_dists":[0.14054665767447191,0.202336587742303,0.22322871417007,0.22910054654597772,0.2340502714622079,0.2453936427458227,0.24825618953518266,0.24895293041708386,0.2581374836643911,0.2581888688345983,0.26075584575870164,0.263143886762719,0.26419811716397856,0.26987954455070234,0.2700177377154918,0.2756534431555928,0.2770488675750269,0.281187673126493,0.2836538871077517,0.2858149093736589,0.2859309268675343,0.2896533546364779,0.2950023263500104,0.29761450667550143,0.29912417837078725],"n_dims_used":42,"mean_confidence":0.9064959571475074},"coverage":{"mean_confidence":0.9064959571475074,"n_dims_used":42,"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}}