{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005550},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006801","490:4900005568","490:4900007052","490:4900006439","490:4900004617","490:4900006188","490:4900007658","490:4900007426","490:4900006080","490:4900005295","490:4900006805","491:4910001684","490:4900005428","490:4900004881","490:4900004879","490:4900002372","490:4900005023","490:4900007168","490:4900002969","490:4900005562","490:4900002672","490:4900005828","490:4900006438","490:4900004606","490:4900007654"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.08893720179701879,0.047447973797393544,0.04448751304767972,0.04181764964875753,0.03178472070885393,0.025152320019329183,0.025137964230561537,0.02417902518447462,0.02355621928166191,0.018238861531280202,0.01724582016678352,0.01518416829894322,0.014504192321945508,0.013290560979412442,0.012412948526904406,0.012116232623479304,0.011267339411514539,0.01102301601616122,0.010641258755737466,0.01039472302730455,0.010042085909484242,0.009481163997100422,0.009463908509442464,0.009347335882176155,0.009055635362821127],"twin_dists":[0.28571352655233273,0.320667523674322,0.3240386278708875,0.3272443716105765,0.34109152902814094,0.35247491480126014,0.35250223448227763,0.3543584271748856,0.3555984051016945,0.36753335856502695,0.3700937751873729,0.3758515583653563,0.3779020668996335,0.38178244994194216,0.3847887642191067,0.38584786428246287,0.38901027727279924,0.3899596842688639,0.39148128117770215,0.392489940550849,0.3939703740936497,0.3964235794736213,0.39650108039126697,0.39702798192744565,0.39837262616558955],"n_dims_used":45,"mean_confidence":0.8963479783799914},"coverage":{"mean_confidence":0.8963479783799914,"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}}