{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001288},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006518","490:4900003884","490:4900001579","490:4900005780","490:4900001867","490:4900006158","490:4900006160","490:4900005665","496:4960008483","487:4870003117","466:4660011990","494:4940004842","466:4660004688","494:4940005363","466:4660012308","490:4900006035","487:4870002181","490:4900000721","490:4900000694","466:4660011829","490:4900002788","490:4900010116","490:4900000331","490:4900006020","490:4900006892"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,487,466,494,466,494,466,490,487,490,490,466,490,490,490,490,490],"twin_sims":[0.15445974271065438,0.12066604870534775,0.11701645421383007,0.09791135864395792,0.09103664747469568,0.07298483431415259,0.0717138093820932,0.06075256487743685,0.06034094299469894,0.054190064662836934,0.04894823274636415,0.04391725810207271,0.04295717599312406,0.04271054019520634,0.04234644215903266,0.041948901216714504,0.041526953661100895,0.04097859853136528,0.03973627890777684,0.0396232725985375,0.0374312380907327,0.03740937832751676,0.03582416736093968,0.0344196423693602,0.03427527534301594],"twin_dists":[0.2510189807238935,0.2670952414572196,0.26902776491715136,0.279980762536088,0.28433278472615664,0.2971546211466815,0.2981501848951141,0.3073910442049465,0.30776386699764136,0.3136009136041281,0.3190258865757552,0.32470948641429653,0.32585566148857525,0.32615357764540825,0.3265960356727535,0.32708280673662954,0.3276037321810527,0.328287425030783,0.32986538142513105,0.33001097724097683,0.332907082545447,0.332936679256882,0.3351231174053286,0.33713014832604804,0.33734037545138773],"n_dims_used":45,"mean_confidence":0.9138576931423611},"coverage":{"mean_confidence":0.9138576931423611,"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}}