{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002196},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001933","480:4800002461","480:4800002416","480:4800002507","495:4950002762","480:4800002362","480:4800001931","480:4800002241","480:4800002240","480:4800002460","480:4800002408","480:4800001357","480:4800001759","480:4800001294","480:4800002381","480:4800002289","480:4800001542","480:4800001244","495:4950002560","480:4800001470","480:4800001370","480:4800001362","480:4800001238","480:4800001236","480:4800002515"],"twin_admin_codes":[480,480,480,480,495,480,480,480,480,480,480,480,480,480,480,480,480,480,495,480,480,480,480,480,480],"twin_sims":[0.3838497347556333,0.33619546618413887,0.2271154570853654,0.21017417553758255,0.19252001519759124,0.177438963992948,0.152037929956229,0.14473818363554047,0.13330980519434754,0.12907309677529685,0.12461788561568386,0.12449717401721089,0.12297317326723212,0.12273071472961282,0.11992077343588646,0.11843647007237311,0.11731864972947562,0.11708542626606788,0.11403615139185196,0.11356792983057518,0.11144459349087442,0.10907258568995254,0.10862229704192207,0.1033109695191698,0.08985859664809898],"twin_dists":[0.17972528019003864,0.1917628838899506,0.22361782806702427,0.22939075094967512,0.23575386707414994,0.24151966091401106,0.2520786682333023,0.25534980933217943,0.2607263567401343,0.26280746051433607,0.2650523604765543,0.2651140263016134,0.2658965041526154,0.266021670750328,0.2674862084220331,0.26827043228245834,0.26886600829429363,0.2689908179609212,0.27064046808928355,0.27089676969932036,0.272069396752037,0.27339993627567705,0.27365504194278106,0.27672786564085444,0.28510440720945357],"n_dims_used":43,"mean_confidence":0.9136078413142714},"coverage":{"mean_confidence":0.9136078413142714,"n_dims_used":43,"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}}