{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000839},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000677","487:4870001663","487:4870000601","487:4870000833","487:4870001094","487:4870001660","487:4870000675","487:4870000757","487:4870000155","487:4870000824","487:4870001380","490:4900002300","487:4870001005","487:4870001095","487:4870002027","487:4870001379","494:4940007901","487:4870000416","496:4960007768","494:4940008004","487:4870000919","466:4660012883","487:4870001461","494:4940007500","487:4870000674"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,490,487,487,487,487,494,487,496,494,487,466,487,494,487],"twin_sims":[0.42674350998540994,0.4142301358189399,0.40657485884736533,0.3393594840792441,0.2801026389523391,0.26646859964863173,0.23566742046123548,0.21173391235776723,0.19420398821904095,0.17909901621218863,0.17581314944194593,0.17125508790309835,0.15765581787139182,0.1540717790339616,0.147264914718557,0.14561620765038194,0.1402694079647076,0.13422947822673276,0.12963427184301587,0.12501155940795342,0.12409155308293228,0.11849235588575506,0.11810687295418199,0.11692513140541348,0.11578847939907233],"twin_dists":[0.1694921397877046,0.17242848079007328,0.1742436714052733,0.19093716810231934,0.20719757236836114,0.211220710095125,0.2208121207833509,0.22884643280882128,0.23512994454349653,0.2408684372287504,0.2421616648153408,0.24398443184789947,0.24963896729711063,0.25118791460760925,0.25420403257978585,0.25494999201199087,0.25741309236354504,0.2602812017330144,0.2625288737402592,0.2648515660755824,0.2653215722868246,0.2682407694532321,0.2684455927427177,0.2690767104353853,0.2696883807825445],"n_dims_used":43,"mean_confidence":0.9067584193030069},"coverage":{"mean_confidence":0.9067584193030069,"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}}