{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004972},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004927","484:4840004449","484:4840003748","477:4770001900","489:4890004926","477:4770002891","489:4890005349","468:4680002434","494:4940003597","477:4770001678","489:4890005348","477:4770001677","477:4770002466","489:4890005319","476:4760003064","477:4770001785","476:4760002571","494:4940005573","486:4860005054","484:4840004559","477:4770002748","489:4890005435","472:4720005225","484:4840005694","477:4770001842"],"twin_admin_codes":[489,484,484,477,489,477,489,468,494,477,489,477,477,489,476,477,476,494,486,484,477,489,472,484,477],"twin_sims":[0.011558869445099054,0.004836523457361654,0.002936288130579681,0.0028595936856557116,0.0021081024364796213,0.001902226286842251,0.001636232010014988,0.0015373638036956135,0.0013485665941808218,0.0013436338558364027,0.0012559564255003452,0.001112875646188909,0.001111393063746354,0.0010832660733325612,0.0009929514467784176,0.0009625299035635793,0.000958806309075022,0.0008634106044058483,0.0008389366038475011,0.000774662630742149,0.0007396368102492483,0.0006424183492154718,0.000632619920846729,0.0006297095837813766,0.0005889173574738318],"twin_dists":[0.3879010785894501,0.42409774009778883,0.44350222668309197,0.4445076746798346,0.4559303784092039,0.459716440323232,0.4652103132788616,0.46746467163604016,0.4721688050634479,0.47229969352976336,0.4747035243209506,0.47898189637988353,0.47902883917792727,0.4799305918052671,0.4829804588189462,0.4840659416869363,0.48420098470649187,0.48783804042799034,0.488831263710884,0.4915739200960621,0.4931589711747943,0.49795547843510307,0.49847583623324565,0.49863184067018435,0.5008922305150553],"n_dims_used":45,"mean_confidence":0.9074450174967448},"coverage":{"mean_confidence":0.9074450174967448,"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}}