{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000057},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000040","487:4870000219","466:4660013287","487:4870000989","487:4870000132","487:4870000078","487:4870000092","487:4870000900","487:4870000041","487:4870000136","487:4870000082","487:4870000031","487:4870000137","487:4870000061","490:4900013366","487:4870000104","466:4660012951","487:4870000056","487:4870010380","487:4870000050","466:4660012106","486:4860003825","487:4870001714","487:4870000215","466:4660012569"],"twin_admin_codes":[487,487,466,487,487,487,487,487,487,487,487,487,487,487,490,487,466,487,487,487,466,486,487,487,466],"twin_sims":[0.6240559023880442,0.4451173343966069,0.3951798956162473,0.35783768780027875,0.2925522239227552,0.276137907431132,0.2487118902562433,0.21248848961950162,0.20841668434297844,0.20031572699055178,0.19364841816741704,0.18613826135602596,0.1818111497928901,0.16628141404055888,0.16194128080831954,0.14458038700427098,0.13825741761450197,0.13319858844641388,0.12456433773102321,0.1127477035810273,0.11033726170470787,0.10936308186469894,0.10882775008881616,0.10816799030570266,0.10642213349826232],"twin_dists":[0.12612081002183914,0.16524377237024954,0.17697410627528246,0.1861945243117386,0.20362663682639204,0.20835485744549345,0.2166577485584444,0.22858407552224064,0.2300073806340386,0.23289653650284525,0.23533536926531198,0.23815351720948155,0.23981363778469506,0.24601352231631374,0.24782022499031697,0.25542185408368756,0.258358060258416,0.2607803459677503,0.2650797099440749,0.27134772504798643,0.2726877833716183,0.27323579160391037,0.2735385435603509,0.2739132557009483,0.2749134420590453],"n_dims_used":43,"mean_confidence":0.9084813317587209},"coverage":{"mean_confidence":0.9084813317587209,"n_dims_used":43,"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}}