{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002452},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003710","499:4990002370","469:4690003575","488:4880000044","488:4880000716","467:4670000027","499:4990001417","477:4770002400","481:4810003795","481:4810003884","500:5000003798","470:4700001039","499:4990002291","479:4790000898","489:4890002921","470:4700002732","485:4850004664","470:4700000759","479:4790001962","470:4700000815","489:4890003002","485:4850004266","481:4810000732","481:4810001911","499:4990001691"],"twin_admin_codes":[477,499,469,488,488,467,499,477,481,481,500,470,499,479,489,470,485,470,479,470,489,485,481,481,499],"twin_sims":[0.6310449078554516,0.5008317208906788,0.487072803043816,0.47217639212195434,0.4074868071149741,0.3895266720630037,0.38294530791238496,0.38146833030241645,0.38064819503456276,0.3665139923404976,0.3515422636316557,0.3356224377574816,0.3277775167975555,0.3244368907834258,0.32299933074875764,0.3104683795046071,0.30973842721164374,0.3049937250709208,0.29630051761020226,0.29580806417715194,0.2920153358899672,0.28261270513025233,0.28040989432865077,0.2718526989650278,0.2716066133345696],"twin_dists":[0.1246224378596971,0.15273207909109676,0.15577811869321842,0.15910580447484818,0.1740266491372036,0.17834211552540885,0.1799465364788765,0.18030839913727817,0.18050962497153727,0.1840114407565307,0.18779557494578328,0.19191287586381828,0.19398051016464565,0.19486923462559017,0.1952532392244125,0.19864201744753987,0.19884179486121814,0.2001469995771684,0.20256932068452166,0.20270777915599172,0.20377873712448993,0.2064700347331547,0.20710830334213817,0.20961717364305593,0.20969003455539023],"n_dims_used":45,"mean_confidence":0.9297532823350695},"coverage":{"mean_confidence":0.9297532823350695,"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}}