{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007980},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008982","493:4930007192","470:4700005007","490:4900007873","490:4900007746","466:4660003338","466:4660003339","490:4900006904","466:4660001619","466:4660001423","470:4700002793","494:4940007273","490:4900006901","493:4930007113","466:4660002440","496:4960012188","466:4660002058","487:4870006159","466:4660001070","494:4940007260","466:4660002134","490:4900008317","496:4960000866","470:4700005636","466:4660003219"],"twin_admin_codes":[490,493,470,490,490,466,466,490,466,466,470,494,490,493,466,496,466,487,466,494,466,490,496,470,466],"twin_sims":[0.44503070928566535,0.37809971984193064,0.35380181498521934,0.272832524250655,0.2643339081901355,0.24093423553146243,0.22841257766010628,0.21023058167103592,0.20906559358458587,0.20382365041001085,0.20276016283493742,0.20007506649959642,0.19871478529949535,0.1982018747711592,0.19483962641296834,0.19183863678135377,0.19025696886927118,0.18734176798045934,0.1868460800823783,0.18341263223338367,0.18311596843249905,0.182367354018704,0.1811287450862695,0.18099600157799775,0.178200817457546],"twin_dists":[0.16526363826111864,0.18113625138773595,0.187219230720006,0.20932746959770754,0.21186204790513544,0.21911725652333663,0.22318784097289204,0.22937101858306033,0.22977929519201576,0.2316358080100964,0.23201643418042453,0.2329835835959482,0.2334769607675853,0.23366359986830162,0.23489541450570287,0.2360074018670361,0.2365983568729814,0.23769661833279832,0.2378845508470205,0.23919600642129452,0.23931013041319651,0.23959869701770742,0.24007798353464743,0.24012948669489537,0.24122025784543707],"n_dims_used":45,"mean_confidence":0.9118712531195746},"coverage":{"mean_confidence":0.9118712531195746,"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}}