{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011789},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011920","490:4900010949","490:4900011544","490:4900011723","490:4900011461","490:4900011724","490:4900011734","490:4900011731","490:4900011034","490:4900012188","490:4900012122","490:4900012189","490:4900011664","490:4900011408","490:4900011922","490:4900012209","490:4900011923","490:4900011547","490:4900010709","490:4900011657","490:4900011804","490:4900011119","490:4900011530","490:4900010702","490:4900011401"],"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":[0.6923834279981177,0.6354505267668076,0.6096242201150119,0.571320875398745,0.5054851607105376,0.478450358195333,0.4694365988996047,0.45772755452972724,0.4574443301003992,0.4427413375442238,0.4369865826040666,0.4340469204862702,0.43337259624574126,0.4325031692464567,0.4230533114478596,0.41627243035988126,0.40969720172329155,0.4091051131615968,0.40765959216295383,0.401211457787562,0.3956596947259319,0.3909386967255339,0.3894575101304201,0.3876917732790606,0.38718871238703895],"twin_dists":[0.11136165749672951,0.12367720974388507,0.12921206726866402,0.13742221642474017,0.15170725492112286,0.15770023384569762,0.1597215463415533,0.16236712176450963,0.16243140854592739,0.1657892029496841,0.1671149878698415,0.16779488614061053,0.1679511060984644,0.16815266963810097,0.17035424919432765,0.17194669485309952,0.1735015168910405,0.17364205892549714,0.17398555463160603,0.17552446046547174,0.17685842021836412,0.17799956062549305,0.1783589090482396,0.17878813196814802,0.1789105868750903],"n_dims_used":45,"mean_confidence":0.9121359083387587},"coverage":{"mean_confidence":0.9121359083387587,"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}}