{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010879},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010882","490:4900011677","490:4900010701","490:4900010881","490:4900010883","490:4900010453","490:4900010532","490:4900010870","490:4900010704","490:4900010616","490:4900011798","490:4900010281","490:4900011990","490:4900010439","490:4900009276","490:4900012075","490:4900011986","490:4900010533","490:4900010615","490:4900010543","490:4900009063","490:4900010619","490:4900009989","490:4900012128","490:4900010443"],"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":[0.5298193060769769,0.48982399721893644,0.4593800080152452,0.44073129501019326,0.33481788964264403,0.264186160113385,0.2358018752165136,0.22112389164236282,0.21835078886829698,0.2129852101497101,0.20528730937007506,0.20089273246011533,0.19537485846058428,0.19353902527440753,0.18433644908838748,0.17704852558375986,0.17387737285886784,0.16600688640765873,0.16556271205326573,0.1578762224888494,0.15631124953870165,0.1458513937954457,0.1344987818906591,0.131650476224555,0.12667105624726024],"twin_dists":[0.1463863807964432,0.15516703936930387,0.16199232954612816,0.16625150864497432,0.1921237033311301,0.21190655602727118,0.22076854748910588,0.22562545166076087,0.22656695591721174,0.22841171608366925,0.2311141787998112,0.23268812620891746,0.23469834275983198,0.23537586609017072,0.23884145359461126,0.2416734546839859,0.2429316072193385,0.24612678578573136,0.24631032798978725,0.24954455583242452,0.2502170157269429,0.2548432008794672,0.26015128282725236,0.2615354095066221,0.26401037457881515],"n_dims_used":45,"mean_confidence":0.9178400675455729},"coverage":{"mean_confidence":0.9178400675455729,"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}}