{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004484},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002093","490:4900001641","490:4900003804","490:4900003526","490:4900002541","490:4900003933","490:4900001249","490:4900003664","490:4900001375","490:4900004922","490:4900002825","490:4900003382","490:4900003656","490:4900003383","490:4900002837","490:4900003802","487:4870004795","490:4900003387","490:4900002378","490:4900003531","490:4900002988","490:4900003126","490:4900001118","490:4900001123","476:4760004281"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,476],"twin_sims":[0.03239253486215123,0.013528692544150211,0.01052545036150773,0.007170089964689685,0.006767045241570961,0.004817164100110935,0.0038965355989448638,0.0030272767967556642,0.002639478996401153,0.002138670055417832,0.0019316192377364695,0.001714338072284288,0.0015336002192485687,0.0013398366539302774,0.0012281885952004153,0.0010351727418827813,0.0009739846996252824,0.000959375688141172,0.0009123018723750107,0.0008995839157799444,0.0008012619468674252,0.0007996319913040271,0.0007240702871345199,0.000670135300495459,0.0006639501994498513],"twin_dists":[0.3401535200886487,0.38099705090595404,0.3919524715814282,0.40813817871921504,0.41052217055306783,0.42425722822326994,0.43260750856615887,0.44234006561502,0.44753676945386156,0.45539748156076926,0.4591534891447309,0.463516504340573,0.46755310476057743,0.47240075386061503,0.475497259061918,0.4815239832362789,0.4836535310540031,0.48418030363707676,0.48592985459964516,0.4864169120171452,0.49041413434827086,0.49048416643319637,0.49388595471775804,0.4965226129412923,0.4968375089884313],"n_dims_used":45,"mean_confidence":0.9169576856825087},"coverage":{"mean_confidence":0.9169576856825087,"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}}