{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000092},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000217","490:4900000354","490:4900000072","490:4900000131","490:4900000402","490:4900000435","490:4900000113","490:4900000166","490:4900000179","490:4900000357","490:4900000089","490:4900000050","490:4900000139","490:4900001091","490:4900000094","490:4900000066","490:4900004188","490:4900000190","487:4870010191","490:4900000244","490:4900000093","490:4900000248","490:4900000152","490:4900000281","490:4900000218"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490],"twin_sims":[0.6464200280764967,0.5193530215616035,0.5186542906959657,0.399797691053655,0.3390307996368979,0.3368557998375697,0.29782677120275175,0.28962142105084443,0.27262586028789676,0.2615807181578003,0.24665406937705903,0.23793870342098347,0.22291268267776118,0.22094992981060124,0.2197862576914106,0.20825545615502403,0.20378683063938788,0.19446208721793531,0.19141885951441742,0.183250550042422,0.18066453834084217,0.172811785284635,0.17049024231699672,0.17027322951196175,0.16469072838489351],"twin_dists":[0.12132053903591355,0.14866759636355556,0.148820264363395,0.17586335278100318,0.19102275148605297,0.19159021100901086,0.20214105675533198,0.20445896414383552,0.209388520387836,0.21269399854466103,0.21730361174310817,0.22007822505960842,0.22502231785237717,0.22568428075760943,0.2260786019017758,0.23006412580092347,0.2316489631477303,0.23503465011484617,0.2361639098585541,0.23925834188597364,0.24025820792226454,0.24335805209858052,0.2442936837110206,0.2443816101907069,0.24667168677517293],"n_dims_used":45,"mean_confidence":0.9173797607421875},"coverage":{"mean_confidence":0.9173797607421875,"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}}