{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008887},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008554","490:4900010226","490:4900008661","490:4900008457","490:4900007893","490:4900008553","490:4900004892","490:4900007767","490:4900008551","490:4900008775","490:4900006318","490:4900009930","490:4900009003","490:4900008003","490:4900008445","490:4900005194","490:4900011689","490:4900008994","490:4900008444","490:4900006801","490:4900009517","490:4900009326","490:4900004483","490:4900008784","490:4900006803"],"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":[0.004421144255266478,0.000551391270754453,0.00010580991500349542,0.0000472238457807331,0.000024478526191519503,0.00002026998906792945,0.000016568213774490532,0.00001459951761099815,0.000013494126351108214,0.000008880833017510009,0.000008003588183053432,0.00000792985813173918,0.0000074695440789402365,0.000005876121131767679,0.000005072984809129042,0.000004758383618254466,0.000004635394857540717,0.0000034317688568516192,0.000003017562008053156,0.000002438533151890735,0.000002210747288748792,0.0000019519341988345757,0.000001902472716210417,0.0000014863941051894774,0.0000013591144355420217],"twin_dists":[0.42765429369834757,0.503104525795167,0.5557009344488157,0.5796713639144517,0.5984865044033889,0.6037800280683646,0.6093874954507519,0.6128788496531038,0.6150419146125493,0.6264102522507372,0.6292045786047755,0.6294526279765195,0.6310530799176995,0.6374340836723005,0.6413112546802546,0.6429929003345809,0.6436794779398302,0.6515101514685578,0.654831784356799,0.6602968596643012,0.6627972385892282,0.6659583237684665,0.6666080826608957,0.67282398981258,0.6750644785496484],"n_dims_used":45,"mean_confidence":0.8806952582465277},"coverage":{"mean_confidence":0.8806952582465277,"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}}