{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004922},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003382","490:4900004484","490:4900004781","490:4900003531","490:4900003804","490:4900006935","490:4900003659","490:4900005839","490:4900003384","490:4900005830","490:4900002093","490:4900004919","490:4900004220","490:4900003933","490:4900007067","490:4900003386","490:4900002842","490:4900003387","490:4900002988","490:4900005836","490:4900005061","490:4900004636","490:4900003802","490:4900003264","490:4900001641"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.002852007325452401,0.002138670055417832,0.0020199246747540137,0.0011908687120407528,0.0005064703153599377,0.0004889058881887844,0.00048067797019881245,0.00032498371773935774,0.00030560668000811323,0.0002499427486403036,0.00019740438313345254,0.00018007112881651422,0.000174858638356269,0.00017459483897570076,0.00016818216913233518,0.00015011510114572383,0.000149365838725541,0.00012923421863660713,0.0001199043940993601,0.00011726814841265508,0.00011517886302064671,0.00010177571482460127,0.00010134308237535138,0.0000998705590659757,0.00008200098208102767],"twin_dists":[0.44460846644288443,0.45539748156076926,0.4575083923612365,0.4765906091123455,0.5059455591965375,0.5071208939267368,0.5076851024747181,0.5205273365130823,0.5225156381082948,0.5289664838517779,0.5364384292564268,0.5393204002990912,0.5402383005657437,0.5402854371229373,0.5414524174281812,0.5449812115046692,0.5451360575554518,0.5495972860453229,0.5518921815092023,0.552571222064516,0.5531197003471671,0.5568796012936642,0.5570086149563073,0.5574516678716309,0.5633852668200812],"n_dims_used":45,"mean_confidence":0.9226509941948785},"coverage":{"mean_confidence":0.9226509941948785,"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}}