{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000398},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000401","489:4890000637","489:4890000402","489:4890000453","489:4890000633","489:4890000578","489:4890000454","489:4890000521","489:4890000463","489:4890000502","489:4890000462","489:4890000481","489:4890000495","489:4890001122","489:4890000345","489:4890000309","489:4890000745","489:4890000274","489:4890000632","489:4890000498","489:4890000419","489:4890001459","467:4670000114","489:4890000746","470:4700006852"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,467,489,470],"twin_sims":[0.9418436840274563,0.8396695722639126,0.8000802023135597,0.7976782574845924,0.7958970776219212,0.7933052786579832,0.7876179508485278,0.7804275099000662,0.7544894185282551,0.7544071471047555,0.7533003552259983,0.75067785230383,0.7477429558815849,0.7393174348233433,0.7342111990518942,0.7290274937170381,0.7268754395799776,0.7244331438150273,0.720438543035716,0.7202682909042472,0.706190578108244,0.6995729401140275,0.6844810061223364,0.6820403923100632,0.6793968211485258],"twin_dists":[0.044958322707501386,0.0767791850544398,0.08674280030732312,0.0873254938956108,0.08775622104790055,0.08838093212608832,0.0897435790862568,0.0914510849275936,0.09748618576720833,0.09750505186711293,0.09775870194232843,0.09835858512118889,0.09902808330856062,0.10093978566277553,0.10209135225567055,0.10325533603100699,0.10373714424823381,0.10428295399774304,0.10517350568939594,0.10521140314413968,0.10832966951523408,0.10978584951695265,0.11308695721866552,0.11361848849081763,0.1141935640634323],"n_dims_used":45,"mean_confidence":0.9147781372070313},"coverage":{"mean_confidence":0.9147781372070313,"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}}