{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":497,"cluster_id":4970001240},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970000412","497:4970001167","497:4970000188","497:4970001149","497:4970001478","497:4970000141","491:4910005595","497:4970001632","497:4970000349","497:4970001319","497:4970001141","497:4970000522","491:4910005742","497:4970001723","491:4910005327","497:4970001630","497:4970000890","497:4970001629","497:4970001400","497:4970001886","497:4970001239","497:4970001476","491:4910005626","497:4970001889","497:4970000531"],"twin_admin_codes":[497,497,497,497,497,497,491,497,497,497,497,497,491,497,491,497,497,497,497,497,497,497,491,497,497],"twin_sims":[0.0043573684980945425,0.004023945275801698,0.001722290920571086,0.0016432969092746424,0.0009132715486572701,0.0005733213386427609,0.0004926049049150646,0.0004431560358261683,0.00042203251383296123,0.00041688251357936256,0.0003941788183668123,0.00030476549510214643,0.00027864853835901133,0.00024338705479730286,0.00020203587220613692,0.00019162784089645882,0.0001509323774511227,0.00015086465680431085,0.00014728412269016713,0.00012890844778262015,0.00012047936409010551,0.00010538042684507832,0.00009882255753355998,0.0000967719973998496,0.00009590322500678536],"twin_dists":[0.42822700593972834,0.4313511805771466,0.46334804998954654,0.4650540717537389,0.48589297823549693,0.5017952281028666,0.5068701289703713,0.510378268477835,0.5119898129116578,0.5123941463384009,0.5142342857255748,0.5226046070535239,0.5254882665044687,0.5298133385541264,0.535708733938605,0.5373714570547379,0.5448131384426244,0.5448270325520523,0.5455701519904421,0.5496747420642921,0.5517459564285514,0.5558243773347477,0.5577707697114421,0.5584045036229262,0.5586768401977124],"n_dims_used":45,"mean_confidence":0.8800385369194879},"coverage":{"mean_confidence":0.8800385369194879,"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}}