{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000683},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000278","490:4900000675","490:4900000599","490:4900000602","490:4900000089","490:4900000340","490:4900000140","490:4900002336","480:4800003969","490:4900000502","490:4900002910","480:4800004881","490:4900000402","487:4870004272","490:4900000499","490:4900000139","490:4900000218","490:4900000070","490:4900000414","490:4900001291","490:4900000153","490:4900000397","490:4900000131","490:4900000152","490:4900000425"],"twin_admin_codes":[490,490,490,490,490,490,490,490,480,490,490,480,490,487,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4535135154828577,0.39689991603823715,0.3280560553612173,0.2704587167590803,0.26651015213627804,0.2618858460135074,0.2483710092615055,0.23708241225319013,0.23246533133169012,0.22619303365977714,0.2102850987681305,0.20693091920247436,0.19623237836964133,0.19280314805294008,0.19218692940384638,0.16943018178025396,0.1692676327000301,0.16861523307996001,0.16306828942447216,0.15574273315867493,0.15454996544725866,0.15303315623501967,0.15015964927160086,0.14714494790319646,0.14524288608397165],"twin_dists":[0.16332512863711166,0.1765596849504064,0.19390663575741915,0.21003044219983363,0.2112082580373869,0.21260152663430104,0.2167644992057533,0.220354370102006,0.22185468278462392,0.22392459641154372,0.22935195046959994,0.2305314415187177,0.23438338423673483,0.23564869971447758,0.23587772704854126,0.24472395065143826,0.24479009834084756,0.24505604593125024,0.2473477400495849,0.25046252142383546,0.2509797389204239,0.2516417094328382,0.2529090961337159,0.25425810276612126,0.25511976898153593],"n_dims_used":45,"mean_confidence":0.9146031697591146},"coverage":{"mean_confidence":0.9146031697591146,"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}}