{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000577},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000411","490:4900000930","490:4900000466","490:4900000665","490:4900000569","496:4960008860","490:4900000808","490:4900001593","490:4900001047","490:4900000810","490:4900000689","490:4900000787","490:4900001706","490:4900000909","490:4900000588","490:4900000934","490:4900001045","490:4900004326","490:4900001458","490:4900000564","496:4960008764","490:4900003080","490:4900000785","490:4900000570","496:4960008959"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,496],"twin_sims":[0.5886746988346523,0.5821687453841626,0.5717895760466822,0.5554591250374185,0.5360506251416132,0.5349010410581871,0.5329544160119386,0.530435570775285,0.5261185682807871,0.5178024332175076,0.5146230311063112,0.5033040751496555,0.4803145017714948,0.4798006811340765,0.47743249865989157,0.4670362196403102,0.46571894023315075,0.4587529719113644,0.4527408992517994,0.4523212304642396,0.45169370356708183,0.4501235727387641,0.44813029037227303,0.44641994407673546,0.43218775249299657],"twin_dists":[0.1336990248388123,0.13509380766915674,0.13732152621250518,0.14083572335115055,0.1450328435471224,0.14528230820047044,0.14570498069011006,0.14625237212335862,0.14719182525443114,0.14900645588003403,0.1497020377205337,0.15218727316438035,0.1572837607078928,0.15739850303810238,0.15792785644413307,0.16026200896426596,0.1605590082489032,0.1621344903081484,0.16350112534530908,0.16359676945804572,0.16373984648441936,0.16409816240812272,0.16455371865387242,0.16494522022560382,0.16822583462945612],"n_dims_used":45,"mean_confidence":0.9150875515407986},"coverage":{"mean_confidence":0.9150875515407986,"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}}