{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005693},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004758","490:4900008886","490:4900005044","490:4900006679","490:4900005449","491:4910002415","490:4900007427","490:4900005023","490:4900005319","490:4900004761","490:4900006801","490:4900007764","490:4900006556","490:4900005035","490:4900005583","490:4900004760","490:4900008555","490:4900006217","490:4900007546","497:4970000759","490:4900007526","490:4900005324","490:4900008445","490:4900005316","490:4900007881"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,490,490],"twin_sims":[0.045832720821773386,0.005745124648110242,0.005367014518349185,0.005197837020671454,0.002866796245010955,0.002789637579270087,0.0015668688021992351,0.001533031296493049,0.0013772206574655874,0.0011854304969290312,0.0011710098643066818,0.0009760049724305666,0.0009658386780738557,0.0005809302381936144,0.0005727052720440849,0.0005633790489389017,0.0005629690882045104,0.0005574179293096844,0.0005142971368833792,0.0005036005977880796,0.0004426747553262939,0.0004181731426513233,0.00041289985576783154,0.0004006853256856842,0.0003776407169574305],"twin_dists":[0.3224842370417091,0.4171945228414173,0.41993800287547306,0.4212225354350927,0.44441220813145393,0.4454465296303644,0.4667782320904556,0.4675664901879286,0.47141711901815603,0.47675257159911283,0.47718540505959267,0.48358126178941757,0.48394634907182155,0.5013518535793938,0.5018313664700063,0.5023829182354124,0.5024073582745145,0.5027399390326963,0.5054340415488148,0.5061349596780435,0.5104141786735257,0.5122923802632867,0.5127100479188244,0.5136969962703728,0.5156382645721475],"n_dims_used":45,"mean_confidence":0.8999035305447048},"coverage":{"mean_confidence":0.8999035305447048,"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}}