{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000309},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970003465","487:4870002583","487:4870000160","480:4800000495","492:4920004890","497:4970003495","492:4920004571","492:4920004729","487:4870002320","494:4940001338","487:4870004487","492:4920006016","665:6650003417","491:4910004337","492:4920006996","487:4870000259","495:4950000774","491:4910003861","491:4910004622","492:4920004952","492:4920004981","492:4920003980","487:4870000554","494:4940002269","491:4910000811"],"twin_admin_codes":[497,487,487,480,492,497,492,492,487,494,487,492,665,491,492,487,495,491,491,492,492,492,487,494,491],"twin_sims":[0.028294313763371826,0.008833758062408674,0.005586374542655683,0.0031912160931033703,0.0017121192543789775,0.0015023367894574065,0.0009324285756246379,0.0008699085058166675,0.0007503552934242171,0.0006655496023229517,0.0006534714014323811,0.000534697090379703,0.0005033719730730152,0.0004911513690706553,0.00048484685540749287,0.00042170901586672046,0.0003945045475665088,0.00039053517340786935,0.000385251861275848,0.0003833862070393329,0.00032310721220020884,0.00032048810079825284,0.00031565676721231255,0.00029685289125467814,0.0002707042424020787],"twin_dists":[0.34679622571883983,0.3994215799011303,0.41832589550675914,0.4403244366459358,0.4635636310159855,0.46829554462476175,0.4851718009385272,0.48757873351748754,0.49266663194068216,0.4967558190024619,0.4973772970876596,0.5041342226996636,0.5061500921683231,0.5069684570176212,0.5073981134902112,0.5120150749159119,0.5142071911635033,0.514538805755826,0.5149851209842913,0.5151440949838457,0.5207149530027488,0.5209785322609874,0.5214700875486021,0.5234529578360471,0.5264158774877207],"n_dims_used":43,"mean_confidence":0.8842688272165697},"coverage":{"mean_confidence":0.8842688272165697,"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}}