{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006680},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007176","490:4900007419","490:4900006564","490:4900006557","491:4910002514","490:4900007659","490:4900007056","490:4900007057","490:4900006567","490:4900007298","490:4900008335","490:4900009731","490:4900006801","490:4900006562","490:4900004766","490:4900007178","490:4900007065","490:4900006438","491:4910005407","490:4900009113","491:4910004800","490:4900006803","490:4900007052","497:4970001083","491:4910005456"],"twin_admin_codes":[490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,491,490,490,497,491],"twin_sims":[0.3004511055555655,0.2657304475020251,0.0689455761375572,0.06378792101523546,0.061914873474959664,0.053302720432809675,0.0343774096659948,0.01784402823467274,0.017831618433488565,0.01493954097775223,0.013942691365447133,0.013791654172336187,0.011444872946234289,0.009615757040609544,0.008507924849385912,0.00697048695135139,0.00684319355093115,0.005933899781036052,0.0056657603830947275,0.005504644791662505,0.005407061943499661,0.005399305271325928,0.005372275290573704,0.004706252671685013,0.004534953551084543],"twin_dists":[0.20140767398091125,0.21144211421896586,0.30036899255610094,0.30470400545456544,0.30634937912149773,0.31448768046756115,0.3371915697165062,0.36853639914092645,0.36856823902859637,0.3765797520084751,0.3796602396342893,0.3801438285595123,0.3883318156238635,0.3958233551808944,0.40100552862594196,0.40930332328026003,0.4100621433381511,0.4158853497044321,0.41775655262029643,0.4189197381312152,0.4196392971542922,0.41969699604599076,0.41989864906130964,0.42518230623355924,0.42665065581051026],"n_dims_used":45,"mean_confidence":0.8974551730685764},"coverage":{"mean_confidence":0.8974551730685764,"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}}