{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700001416},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870003443","493:4930000202","470:4700001714","469:4690004847","487:4870012875","488:4880005417","493:4930000659","470:4700002541","470:4700002530","470:4700002534","487:4870004006","469:4690003841","481:4810003997","487:4870012022","487:4870008103","493:4930002263","487:4870006804","469:4690000969","481:4810001100","487:4870010850","487:4870005304","487:4870006803","487:4870012888","493:4930001474","466:4660010896"],"twin_admin_codes":[487,493,470,469,487,488,493,470,470,470,487,469,481,487,487,493,487,469,481,487,487,487,487,493,466],"twin_sims":[0.3037035835819054,0.25807620577372,0.23468582332776727,0.2272452836541055,0.22598144218926006,0.2219993856650197,0.21927665423097775,0.21827988634323656,0.2178235857451492,0.20968864193782755,0.20710310556694334,0.20243435107906146,0.201349872217151,0.18730066557216787,0.17355777705678713,0.17241429694886667,0.17036458052817197,0.16647164561776606,0.16630025478706278,0.16564184104340307,0.16473993049390964,0.1611929669519535,0.16004901194971546,0.15876637902863847,0.1566884137279671],"twin_dists":[0.20050392554369129,0.2137609679631691,0.2211307248716291,0.2235747182758343,0.22399508189545636,0.22532985238173056,0.2262517261044114,0.22659113308415124,0.22674685409838743,0.22956075252809846,0.23047057652153768,0.23213331758370181,0.2325233029793011,0.23771218840999936,0.24305931194369684,0.24351760716590753,0.24434458795811909,0.24593511645702232,0.2460057540274885,0.24627760422603417,0.2466512601756814,0.2481352656112174,0.24861893056995624,0.2491642273482609,0.25005450250660066],"n_dims_used":43,"mean_confidence":0.9144929397937863},"coverage":{"mean_confidence":0.9144929397937863,"n_dims_used":43,"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}}