{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000447},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000491","489:4890000374","489:4890000256","489:4890000413","489:4890000342","489:4890000416","489:4890000751","489:4890000418","489:4890000409","489:4890000498","489:4890001182","489:4890000451","489:4890000339","481:4810006096","481:4810006091","489:4890000412","489:4890000308","489:4890000224","489:4890000541","489:4890001534","489:4890000453","485:4850003340","489:4890000594","489:4890000597","489:4890000345"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,481,481,489,489,489,489,489,489,485,489,489,489],"twin_sims":[0.9245729231496209,0.7965071029197649,0.7188126604590728,0.6812495528125388,0.6600867046366352,0.6575883129837616,0.623740977092865,0.6096338133024016,0.5986997925657064,0.5940622517362251,0.588543562521401,0.5847856105355994,0.5719693381389651,0.5591450284738586,0.5456410690751053,0.5369642260473488,0.5143479944016567,0.5099015728590912,0.5053445414556287,0.5012827251302638,0.5009938774261722,0.5007093154532017,0.49515416350288644,0.48524002979698244,0.47761840734202526],"twin_dists":[0.051435331916685825,0.08760883404575116,0.10553523017069398,0.11379059608832477,0.11837602945119803,0.11891514124568027,0.1261882998638111,0.1292100130561646,0.13155137893989993,0.13254468225178345,0.1337271289455752,0.1345326649196,0.13728291052602715,0.140041365398375,0.1429556395038222,0.14483466390445573,0.14976225902414447,0.15073696113575202,0.1517381859144544,0.15263264114292943,0.15269632377689743,0.15275907146079634,0.15398603225543914,0.15618578664237548,0.15788627023934498],"n_dims_used":45,"mean_confidence":0.9147189670138889},"coverage":{"mean_confidence":0.9147189670138889,"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}}