{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002749},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002666","499:4990002982","499:4990000960","499:4990003430","499:4990003178","499:4990003814","472:4720001700","499:4990002521","499:4990004155","496:4960005674","496:4960004950","500:5000006409","478:4780003725","478:4780002659","496:4960002375","481:4810004044","477:4770003727","481:4810004532","496:4960006203","499:4990000946","468:4680007057","496:4960004784","499:4990001751","499:4990000851","478:4780002359"],"twin_admin_codes":[499,499,499,499,499,499,472,499,499,496,496,500,478,478,496,481,477,481,496,499,468,496,499,499,478],"twin_sims":[0.4789647690850199,0.45973192155147324,0.4264945281720612,0.40480081874467855,0.34735829842154026,0.3381478348400257,0.3199231179456079,0.306223229955051,0.29789186497152387,0.2936370694944225,0.2846727030260334,0.2589831249296744,0.2499197841423013,0.2497273322110663,0.2256651861059357,0.21343203516760995,0.20497529516576043,0.20479363784849614,0.203792861784377,0.19675520529011956,0.19641767681360636,0.19543365922361727,0.1933058019158669,0.18738538321415665,0.18598987211842394],"twin_dists":[0.15758525614756408,0.16191257457716712,0.16955020969919846,0.17466647262128698,0.1888679137506891,0.19125288054223008,0.19607818245360642,0.19980766167389447,0.20212282027683484,0.20331980460595447,0.20587586150484197,0.21348398096260002,0.21628023568775234,0.2163403059401363,0.22410051504830883,0.22825690238194882,0.23122516253834077,0.23128983148138713,0.23164680820080066,0.23419182294974228,0.2343154513686281,0.2346767152449264,0.23546225766026047,0.23768009898790188,0.2382099951844639],"n_dims_used":45,"mean_confidence":0.9280318366156683},"coverage":{"mean_confidence":0.9280318366156683,"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}}