{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001295},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002047","480:4800001470","480:4800001759","480:4800001362","480:4800001645","480:4800001370","480:4800001417","480:4800001301","480:4800001300","480:4800001705","480:4800001482","480:4800001479","480:4800001924","480:4800002360","480:4800002191","480:4800001483","480:4800001763","480:4800001426","480:4800001933","480:4800002361","480:4800001363","480:4800002150","480:4800001541","480:4800001474","480:4800001480"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.4861618876826312,0.46090307211569886,0.4106042054799488,0.38758428638318826,0.316446614160926,0.29368927998788663,0.23928794070585382,0.23782923947322954,0.19798917973851676,0.16789271032217942,0.16714066664189017,0.15452993035755316,0.14884304450327057,0.1484379424368754,0.1442144667100005,0.14345149798366022,0.14175741806534103,0.13666297374512512,0.12495345437484674,0.12362891775300953,0.1231809019149076,0.11910010971932539,0.11906407845876897,0.11283803146645403,0.1110286423605779],"twin_dists":[0.1559806767586704,0.16164731046440362,0.1732863975118075,0.17881429007939872,0.19701584969821714,0.20330505460421536,0.21964442095271827,0.22011348988660676,0.23374109373618007,0.24535144387448654,0.245659884724977,0.25098845160559585,0.25349576487285835,0.253677044631637,0.25558914590670256,0.2559389762230337,0.25672070198919006,0.2591142446748958,0.26488117246200255,0.26555892178536933,0.2657894158608655,0.26791887792373814,0.2679379264742725,0.2712979396963294,0.27230112454616096],"n_dims_used":43,"mean_confidence":0.9130062724268714},"coverage":{"mean_confidence":0.9130062724268714,"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}}