{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006837},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008372","490:4900007087","490:4900007332","490:4900008260","490:4900006720","490:4900007086","490:4900007461","490:4900006600","490:4900006356","490:4900007223","490:4900007224","490:4900008150","490:4900006597","490:4900005861","490:4900006601","490:4900005991","490:4900005604","490:4900008059","490:4900006234","490:4900007699","490:4900005863","490:4900007581","490:4900005734","490:4900006123","490:4900007088"],"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":[0.018463067979736476,0.017683801896946207,0.007067050390775412,0.0022013747764698106,0.002069636759850064,0.0014808635110861558,0.0011699293044910217,0.0009620478881293528,0.0008937320387754754,0.0008749378598628711,0.0008055698379459765,0.00048671925897318495,0.00037515811113092754,0.0002456187651860964,0.00023024652566733814,0.00021568826483272878,0.00021556806406143443,0.0002022692863918806,0.00016224364315449354,0.00015273674415960568,0.00012997386188988428,0.00009452034745163312,0.00008371798714038732,0.00008333442944601203,0.00008159198277181685],"twin_dists":[0.36697221085453713,0.36894899268508463,0.40873595875645724,0.45432587692565707,0.45661114678304926,0.4688137964704453,0.4772180363615594,0.48408339551987756,0.48664317210142205,0.4873792633296746,0.49022967879641044,0.5072699656404347,0.5158539754910516,0.5295226681785773,0.5315774020932406,0.5336459211143031,0.5336635404328832,0.5356723774684881,0.5425711349135904,0.5444450890392372,0.5494221089706528,0.5591151864827821,0.5627645029616615,0.5629021213900842,0.5635349501270072],"n_dims_used":45,"mean_confidence":0.9346489800347222},"coverage":{"mean_confidence":0.9346489800347222,"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}}