{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004048},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000152","490:4900001741","490:4900003349","490:4900002642","490:4900000073","490:4900002647","490:4900003065","490:4900000841","490:4900000359","490:4900005000","480:4800004544","480:4800004040","490:4900000506","490:4900004183","490:4900002504","490:4900000465","496:4960007016","490:4900000497","490:4900000436","490:4900000248","490:4900005931","490:4900005274","490:4900004321","480:4800003885","490:4900006407"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,480,480,490,490,490,490,496,490,490,490,490,490,490,480,490],"twin_sims":[0.45195120763392516,0.4048792107247655,0.3791809564559719,0.3648937789309938,0.35222678934747204,0.34644901641557285,0.3407621436149519,0.3355601787177263,0.327036191862283,0.3221868642971812,0.3210201499258375,0.3187367937137481,0.3169926783410487,0.31330117230844984,0.31299378620836615,0.312830654288183,0.3047882110287907,0.3038771232966486,0.2980096553866278,0.297608371956924,0.2965227377712735,0.288398821261499,0.28486754757124333,0.28282612758094255,0.28276941567288905],"twin_dists":[0.16368112628984094,0.1746477722773023,0.18087014481382258,0.18441710597465868,0.18762076978660863,0.1891018570375818,0.19057244060909018,0.19192918071523865,0.1941772944399418,0.19547068865551856,0.19578348592347555,0.19639750469527514,0.1968681845166471,0.1978692554271379,0.1979529144740056,0.19799733191195282,0.20020379769556035,0.20045586355034906,0.2020898264074498,0.2022022599517993,0.20250688552923904,0.2048076571799104,0.20581979606362358,0.2064083553498497,0.20642474242544626],"n_dims_used":45,"mean_confidence":0.9170225355360243},"coverage":{"mean_confidence":0.9170225355360243,"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}}