{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010620},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010874","490:4900010622","490:4900010790","490:4900010176","490:4900011258","490:4900012059","490:4900010269","490:4900011110","490:4900010629","490:4900010777","490:4900010615","490:4900010954","490:4900010863","490:4900010778","490:4900010884","490:4900008707","490:4900010621","490:4900010537","490:4900010793","490:4900010447","490:4900010536","490:4900010532","490:4900010871","490:4900010694","490:4900010182"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4087664485405271,0.3793451322103493,0.3213832555112012,0.2838377304693872,0.267909964314809,0.26096801269460257,0.2366146319662394,0.2310010750131749,0.2268412966470515,0.21604165745195317,0.21301846960995144,0.1973143719627133,0.17923274354000476,0.1767277067117357,0.17171667660236112,0.16773033970831885,0.1651495778665019,0.1643005249562783,0.16211675423815652,0.1556296425951354,0.15470323272572659,0.15247656253966144,0.15142200372159395,0.1513929447982711,0.1466894138567346],"twin_dists":[0.17372248686476696,0.180829771185508,0.1956860689051788,0.20611638234817717,0.2107894784298274,0.21287988933127153,0.22050549934194347,0.22233457082591565,0.2237089185855088,0.2273570794199435,0.22840018494695818,0.23398733662560303,0.24081616394231756,0.24180000592794562,0.24379827528741316,0.24541795371343647,0.2464813631239475,0.24683383888237503,0.24774650349156152,0.2505114360614471,0.25091311472867484,0.2518858265265615,0.2523501469182191,0.2523629751056709,0.2544637135688067],"n_dims_used":45,"mean_confidence":0.9200117323133681},"coverage":{"mean_confidence":0.9200117323133681,"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}}