{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000345},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000967","490:4900000344","490:4900000620","490:4900000950","490:4900002192","490:4900000430","490:4900000155","490:4900000156","490:4900000523","490:4900000234","490:4900000505","490:4900001300","490:4900000269","490:4900002510","490:4900001344","494:4940008482","490:4900000342","490:4900004598","490:4900000249","487:4870002453","490:4900000189","490:4900000727","490:4900000236","496:4960006511","490:4900000418"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,487,490,490,490,496,490],"twin_sims":[0.5659389790102466,0.49603336593980174,0.45242626105978034,0.4345848508923883,0.40528988207564376,0.40456515307744145,0.3888410153823697,0.36325950674969343,0.35798902500177615,0.35598837181243376,0.33899691924185243,0.3253824915439792,0.30365824409281933,0.2969373454950791,0.2951621847540565,0.28044813912384997,0.27871907222128767,0.27767290546079115,0.2678711516309716,0.2627121694066641,0.25492609552463463,0.25406497266228295,0.23832010558923095,0.2371137788438619,0.2355221705954041],"twin_dists":[0.13857906217491514,0.1537915841037095,0.16357282951106653,0.1676703341648513,0.1745498333824453,0.17472270023197253,0.17850866491994147,0.18482721201546778,0.18615621597766166,0.18666332052593715,0.19103157585337158,0.19461715900132584,0.2005164849854336,0.20239047059732304,0.20288958111870128,0.20709719597266527,0.20760028838519368,0.20790560544015982,0.210801071623439,0.21235143994237687,0.21472786465618326,0.21499349404072515,0.21995543533838566,0.22034424323152688,0.2208592107668989],"n_dims_used":45,"mean_confidence":0.917667728000217},"coverage":{"mean_confidence":0.917667728000217,"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}}