{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009210},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009313","490:4900009415","490:4900009311","490:4900009104","490:4900008798","497:4970000988","490:4900008911","490:4900009248","490:4900008248","490:4900007802","490:4900009018","490:4900008356","490:4900008369","490:4900008255","490:4900009129","490:4900008366","490:4900008368","490:4900009209","490:4900009148","490:4900008256","490:4900009207","490:4900007197","490:4900009023","490:4900007561","490:4900008137"],"twin_admin_codes":[490,490,490,490,490,497,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3632510427270203,0.03430046226787234,0.027299453409194974,0.013116640497027309,0.005422433883322982,0.005072908028950221,0.0018230802268335504,0.0016900540695723178,0.0008327119819322827,0.0005029385829175318,0.00045246918243690564,0.0002529461830427791,0.00019411736810162177,0.00018126691159118307,0.0001552824446591104,0.00013933676977905912,0.00011289916785257791,0.00010980022964395735,0.00007108234404789412,0.0000622429472461298,0.000057562908575488746,0.00004639183462591809,0.00004440092288498335,0.00004342187519672755,0.0000429166414284516],"twin_dists":[0.1848293384115835,0.33730364403400365,0.3485328253114695,0.38236397138280864,0.4195251720137369,0.4221956129727564,0.4612730712082853,0.46403537311323945,0.48908816992328497,0.5061787955518583,0.5096904655384303,0.5285854555675072,0.5369661452314525,0.5391133602308918,0.5439327382358472,0.5472824213907068,0.5537289947848596,0.5545761641400353,0.5676472453110089,0.5715795316499755,0.5738816082506837,0.5801883682660345,0.5814621722692501,0.5821086140874554,0.5824476455114316],"n_dims_used":45,"mean_confidence":0.8727398342556424},"coverage":{"mean_confidence":0.8727398342556424,"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}}