{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001076},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000827","490:4900001332","490:4900000420","490:4900000727","490:4900000833","490:4900001336","490:4900001612","490:4900001872","490:4900000189","490:4900001064","496:4960006634","487:4870003826","490:4900003353","496:4960005839","496:4960006503","490:4900001748","490:4900004036","490:4900000230","490:4900000432","496:4960008875","490:4900002914","496:4960006099","490:4900004598","490:4900003620","490:4900002345"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,487,490,496,496,490,490,490,490,496,490,496,490,490,490],"twin_sims":[0.5664984068027,0.5013448107960898,0.4528063482793993,0.4177038387600328,0.38573489573054076,0.38176243467582505,0.36778565117541984,0.35986228493892536,0.3569088563484806,0.35096819099278503,0.3482499687803637,0.34434386688881635,0.34378348545463205,0.3342133639887624,0.33394888393208744,0.3271795244915013,0.3222051522759124,0.32220066913450085,0.31718754174521985,0.3162155385436846,0.31373490948254334,0.3128654090119156,0.31171296630656614,0.3108062671064961,0.2985631691857292],"twin_dists":[0.13845875306739788,0.15261895435756512,0.16348621221430812,0.1716096249029526,0.179264898503016,0.18023628934943997,0.18369367599099035,0.185682718843289,0.18642982410585282,0.18794231100429337,0.18863881494795456,0.189644726482191,0.18978953234864415,0.19228229704630226,0.19235173085665774,0.19413922767980601,0.19546579067511857,0.1954669913587122,0.19681552488147286,0.1970783799091996,0.19775128774910877,0.1979878678157118,0.1983020109666207,0.1985496335584352,0.20193488593905173],"n_dims_used":45,"mean_confidence":0.9165634155273438},"coverage":{"mean_confidence":0.9165634155273438,"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}}