{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002078},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001921","490:4900002530","490:4900001920","490:4900003138","490:4900002230","490:4900002229","490:4900002676","490:4900002231","490:4900001772","490:4900002838","490:4900002826","490:4900002678","490:4900002679","490:4900002690","490:4900001362","490:4900003385","490:4900002381","490:4900003117","490:4900003668","490:4900002228","490:4900002824","490:4900003121","490:4900003533","490:4900003935","490:4900004351"],"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":[0.5551407151554418,0.5359577259520376,0.5041892578622219,0.503725681491649,0.4824813079806411,0.46123898730989593,0.4125348813742992,0.3961397920290847,0.34670520985348147,0.3328300158912707,0.3253140490361918,0.3165387071763338,0.2618166502066354,0.24992006012592347,0.2239153739050468,0.21624611513125805,0.2129978641271792,0.20391854373506862,0.1952332482561917,0.19141955707493138,0.18638232719674136,0.18617495569856365,0.18531128400256228,0.17878930851874983,0.1744987327194056],"twin_dists":[0.14090438084643278,0.14505299910890335,0.15199239267586864,0.15209444138271996,0.15680031425304086,0.16157127027300117,0.17282917933827466,0.17674272694151494,0.18903590992667008,0.1926457984514914,0.19463539055312093,0.19699093606654605,0.21262249115961282,0.21628014956589686,0.2246856477021756,0.22728689079150574,0.22840732877494574,0.23160191159375654,0.23475044696509373,0.2361636495845612,0.23806069281711603,0.23813955596679875,0.23846867491278892,0.24098960668018085,0.24268380195979242],"n_dims_used":45,"mean_confidence":0.9147108289930556},"coverage":{"mean_confidence":0.9147108289930556,"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}}