{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002685},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003512","490:4900004486","490:4900004362","490:4900004353","490:4900002534","490:4900001505","490:4900003788","490:4900003802","490:4900003250","490:4900004492","490:4900004085","490:4900002234","490:4900002836","490:4900005196","490:4900003795","490:4900005549","490:4900004198","490:4900005708","490:4900003105","490:4900003806","490:4900003383","490:4900002527","490:4900003263","490:4900003392","490:4900002536"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.04708340436728531,0.027188199100695122,0.026423079059050485,0.02099756602025733,0.01919238319781904,0.018241858752320147,0.011795009898459944,0.010055264269395181,0.007893473909823303,0.007563315507115205,0.007077884479431682,0.005635155809467108,0.004327956537150291,0.003928790362504871,0.003806405604811598,0.003441903303479114,0.003423866270467367,0.003322766803895732,0.003180869457743001,0.0026768587411536192,0.0023461053293465112,0.0021588428984865076,0.0021285171587404113,0.0019610765190453774,0.0018900825403776202],"twin_dists":[0.32107298985774063,0.34873039952781926,0.3501083500078841,0.36101130436926837,0.3651871880225253,0.36752581735998435,0.38702068679433616,0.39391422177411384,0.40414632306892795,0.4059256395834759,0.4086727379622233,0.4179751850238881,0.42849369671056936,0.4322859656482713,0.4335190132958766,0.43741799335287024,0.4376205550716882,0.4387742796861058,0.4404488197789363,0.4470064503398486,0.45195570065515334,0.4550496202963773,0.4555737003179974,0.4585971578702102,0.45995136421105803],"n_dims_used":45,"mean_confidence":0.916235605875651},"coverage":{"mean_confidence":0.916235605875651,"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}}