{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008896},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008905","490:4900008773","490:4900008904","490:4900009009","491:4910005665","490:4900010991","490:4900009527","490:4900010310","490:4900011143","491:4910005666","490:4900012021","490:4900007783","491:4910005664","490:4900010831","490:4900008902","490:4900009624","490:4900011752","490:4900008897","490:4900008895","490:4900009736","490:4900011296","490:4900009723","490:4900008903","490:4900011069","490:4900009837"],"twin_admin_codes":[490,490,490,490,491,490,490,490,490,491,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2395005920888343,0.18127415674924835,0.17465982455441817,0.17297328719805954,0.16583879430657159,0.1537128967504485,0.15121700505105884,0.14744504835758176,0.13196391018441617,0.12982036180435982,0.10623339826935185,0.10538816507591167,0.10454933361044769,0.09448927870411176,0.0913765716243606,0.08905153541838436,0.08248159857823506,0.07855541759541118,0.07225136271686192,0.07144815178077366,0.06473566448796164,0.06304074808789464,0.061188978095601546,0.059940330415910716,0.05947416614618269],"twin_dists":[0.21957619502235226,0.24002159588975222,0.24261965956600837,0.2432932989019236,0.2461962032493868,0.25134446308889025,0.25244068315354456,0.254122905729139,0.2613820001922654,0.26243669336880454,0.2750223280772118,0.27551181642648226,0.27600062563037453,0.2821159013845249,0.2841116046953342,0.2856376712333971,0.29012809696952374,0.2929498030575769,0.2977274026206975,0.29836007157349564,0.3038864854990338,0.30535555007944615,0.3069980263631049,0.30812873087514203,0.3085558300622556],"n_dims_used":44,"mean_confidence":0.8862532702359286},"coverage":{"mean_confidence":0.8862532702359286,"n_dims_used":44,"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}}