{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013231},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012981","490:4900012879","469:4690002730","484:4840003736","490:4900012805","487:4870004386","490:4900012934","469:4690003892","494:4940003865","480:4800000295","487:4870002263","469:4690003995","479:4790003598","490:4900012984","487:4870002341","484:4840003641","494:4940005092","490:4900012938","487:4870001733","490:4900012806","490:4900004508","484:4840003640","469:4690002912","484:4840003648","487:4870004390"],"twin_admin_codes":[490,490,469,484,490,487,490,469,494,480,487,469,479,490,487,484,494,490,487,490,490,484,469,484,487],"twin_sims":[0.003984075321924571,0.0030162343757912397,0.0027208315409222765,0.0018337102244357576,0.0017934841577515505,0.0015288426793024972,0.00124065428774381,0.0011913716980467034,0.0011802960077978645,0.0011381716239676608,0.0011245563512080857,0.0008240673803656857,0.0007516819069140263,0.0006477890967491222,0.0006439021700332387,0.0005875999548346964,0.0005345487874758791,0.0005164652890273516,0.00045359781251294454,0.00042041193068250305,0.00041555034372377524,0.000382702991135176,0.00037787131830758,0.00037037588232575455,0.0003649775234749892],"twin_dists":[0.43174038247781626,0.4424793904294943,0.4463912045644202,0.46106042677537445,0.4618711875066474,0.4676651799515258,0.4751388986687819,0.4765756636505637,0.4769061209896756,0.4781897544643161,0.4786140652042826,0.4894479317477118,0.49260615148834813,0.4976733882953264,0.49787732398515294,0.5009676391520714,0.5041435038024628,0.5052936291871873,0.5096080141752566,0.5121165469298105,0.5124994975762114,0.5152024936717855,0.5156182953369731,0.5162732932814137,0.5167527725651021],"n_dims_used":45,"mean_confidence":0.9001225789388021},"coverage":{"mean_confidence":0.9001225789388021,"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}}