{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001356},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960011750","496:4960011742","496:4960011914","490:4900002807","496:4960011827","490:4900002508","496:4960012062","490:4900001355","490:4900002057","490:4900004871","490:4900001344","490:4900002511","490:4900000523","496:4960011556","490:4900002510","490:4900000189","490:4900005007","490:4900001613","490:4900005014","490:4900002512","490:4900001612","490:4900002342","490:4900004870","469:4690001934","496:4960006760"],"twin_admin_codes":[496,496,496,490,496,490,496,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,469,496],"twin_sims":[0.5991505270964348,0.5781942235521176,0.5737771033800859,0.5735611129112949,0.5219735217488658,0.5058082391862676,0.47590231855505893,0.4745316295280171,0.45529425057458156,0.4541304313486258,0.4127038366482898,0.4007614576441304,0.3798813339312171,0.3742207656739492,0.3646938506812844,0.3518861863763428,0.34501879540669894,0.3448309753557859,0.3434564707390269,0.3299378010510303,0.3272915829589443,0.3237396201260995,0.3207433349076614,0.3187984660992495,0.31412376745079873],"twin_dists":[0.13145484946400848,0.13594644944558626,0.13689464425947542,0.13694102746876458,0.148095464659064,0.15163619840274173,0.15827034475862808,0.15857744086081624,0.1629199079451692,0.16318467857233107,0.17278921220468252,0.1756322706234622,0.1806979688839793,0.18209397745519218,0.1844672263352484,0.1877077263290577,0.18947048697602673,0.189518956417015,0.18987409286395338,0.19340845891468034,0.19410947323326605,0.19505537273925125,0.19585779363650385,0.19638088792427771,0.19764560512481164],"n_dims_used":45,"mean_confidence":0.9162027147081163},"coverage":{"mean_confidence":0.9162027147081163,"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}}