{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001065},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001021","480:4800000983","480:4800000982","480:4800001123","480:4800000453","480:4800001119","480:4800001060","480:4800001185","480:4800001016","480:4800000943","480:4800001118","480:4800000559","480:4800001061","480:4800001179","480:4800001114","480:4800000902","480:4800000421","480:4800001020","480:4800001184","480:4800000981","480:4800000866","480:4800000746","480:4800001113","480:4800000901","480:4800000860"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9471437545184388,0.8820665328876338,0.8586854212997862,0.8409121308986306,0.8319022434035754,0.810088868238087,0.7943319358193895,0.7932781000550911,0.7800321007841967,0.7583344064984293,0.7514699934163829,0.7178676762513355,0.7140252752751932,0.7054018813643863,0.6845186303019667,0.6496699225115733,0.637186863633201,0.61371126298305,0.5293182816505637,0.509979931223701,0.5046333383986892,0.50174496747601,0.5014392411415942,0.4836651709178155,0.4440135071139481],"twin_dists":[0.04280123922994787,0.06506382367755414,0.07169086735510963,0.07645363841283018,0.07879440104186167,0.0842907081651608,0.08813375910979411,0.08838747046268111,0.09154450951824557,0.09660266929575498,0.09817755319177661,0.10574527535159366,0.10659790912740624,0.10850352271300939,0.11307875852577363,0.1206212902116289,0.12330449852067593,0.12833685543312343,0.14649535455881646,0.15071976549540841,0.151894659400622,0.15253075102021285,0.15259813808363626,0.15653646554366735,0.1654970259456846],"n_dims_used":42,"mean_confidence":0.9002402169363839},"coverage":{"mean_confidence":0.9002402169363839,"n_dims_used":42,"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}}