{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000522},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000523","499:4990000909","499:4990000451","499:4990000454","499:4990000166","499:4990000393","499:4990000238","499:4990001197","499:4990000916","499:4990000995","477:4770003947","477:4770003652","499:4990001085","477:4770003595","499:4990000835","477:4770003873","499:4990000450","499:4990000593","477:4770003918","499:4990000918","477:4770003884","477:4770003835","499:4990001001","499:4990000825","499:4990000919"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,477,477,499,477,499,477,499,499,477,499,477,477,499,499,499],"twin_sims":[0.9042493993696427,0.8826361740415648,0.8771520157971432,0.8491037904721581,0.8322961775993939,0.8250245763078706,0.8172533425246047,0.8133426016957621,0.811328013888429,0.8068211545334958,0.8017679332007942,0.8017425452489068,0.7996084318033518,0.7980638178995924,0.7978421375427935,0.7957840151997958,0.7793307144234186,0.7719910507838591,0.7574702633481871,0.7453448618508319,0.7405412593833215,0.7373740168517284,0.7173471783125885,0.7146769240754808,0.7137961572269722],"twin_dists":[0.05827011694949106,0.06489624159484486,0.06649648972327118,0.07428408557790049,0.07869299111340818,0.08055194378137844,0.08250989519096222,0.08348472138528791,0.08398428905837518,0.08509569333491498,0.08633207100700359,0.08633825751861914,0.08685741828976265,0.08723210426079546,0.08728580590700097,0.08778352304719238,0.09171011050603962,0.09343425907778635,0.09680154615189068,0.09957372270463319,0.10066302132798953,0.10137866879455487,0.10586090825789864,0.10645346654055818,0.10664867957581409],"n_dims_used":45,"mean_confidence":0.9247168646918402},"coverage":{"mean_confidence":0.9247168646918402,"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}}