{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910004478","491:4910004387","469:4690001431","496:4960012407","469:4690002589","478:4780002244","466:4660002597","497:4970003466","494:4940003171","488:4880005737","466:4660007862","487:4870002262","472:4720005828","491:4910005850","491:4910004916","491:4910005673","470:4700001024","487:4870001734","491:4910005813","478:4780005744","485:4850004667","665:6650003177","469:4690003568","484:4840003567","479:4790004115"],"twin_admin_codes":[491,491,469,496,469,478,466,497,494,488,466,487,472,491,491,491,470,487,491,478,485,665,469,484,479],"twin_sims":[0.002848356316237795,0.0027254167871064833,0.001892205157233823,0.001582685292245143,0.0015754675521786764,0.0014459544952354383,0.0012669365431085989,0.0011791527094898503,0.0008577372049273251,0.0008100475788752466,0.0007397890722585904,0.0007173224284462081,0.0007036936188719839,0.000692438294048934,0.0006890013327746497,0.0006632935839778383,0.0006129669447622983,0.0005751755500638453,0.0004820988069808819,0.0004812702908268586,0.00046935980825347086,0.0004645691314279373,0.00045719041394972276,0.0004046012775750223,0.0004024381521071762],"twin_dists":[0.4446570608909248,0.4463275750903176,0.45991020165791036,0.4664151534312168,0.4665804245425428,0.469671313551965,0.4743941333113694,0.4769403960507837,0.4880659315291733,0.49003892019002954,0.4931519308580929,0.494205621357444,0.4948598881587217,0.49540917027798503,0.49557855843082055,0.4968710989169161,0.4995425784366025,0.5016866785738693,0.5075870306811116,0.5076441852689308,0.5084761464554713,0.508816357720636,0.5093468301390777,0.5133775513304387,0.5135536492931247],"n_dims_used":43,"mean_confidence":0.8807422726653343},"coverage":{"mean_confidence":0.8807422726653343,"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}}