{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008206},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009307","490:4900001588","466:4660002709","490:4900008533","466:4660003098","496:4960011461","466:4660001513","487:4870007058","487:4870001866","493:4930006133","490:4900002018","493:4930006981","466:4660002239","472:4720004080","487:4870005426","496:4960000109","470:4700004518","490:4900008097","487:4870006164","472:4720003930","490:4900007864","487:4870007613","470:4700005923","487:4870002302","485:4850000102"],"twin_admin_codes":[490,490,466,490,466,496,466,487,487,493,490,493,466,472,487,496,470,490,487,472,490,487,470,487,485],"twin_sims":[0.3244913885056921,0.2880938831390144,0.22908819812674536,0.20732316464559203,0.19769113953565187,0.18789268920979427,0.18366545522685856,0.1786270906464743,0.17298071773849144,0.17204032927037602,0.16901377993146,0.1683560189512281,0.1670394045081458,0.16473560084618666,0.16472217602335615,0.16053176218635132,0.15970673217522816,0.15964297231263228,0.15922758829249484,0.1521119219161779,0.15013295470042953,0.14915392110301925,0.14822562356714097,0.14636026893356152,0.1424983466275607],"twin_dists":[0.19485469570174424,0.2048947649906726,0.22296451678197202,0.23039283957052495,0.23384977936965717,0.23748815375197474,0.23909885030403838,0.2410531319317831,0.24329032071304163,0.2436679613386789,0.24489349249452957,0.24516191872290688,0.2457014923769226,0.2466530574822512,0.24665863055969273,0.2484145180850724,0.2487641349567196,0.2487912086278055,0.24896778157925545,0.25204610956969814,0.2529209533125986,0.25335689683443857,0.25377220136549666,0.25461257113206137,0.2563779540549709],"n_dims_used":45,"mean_confidence":0.9179256863064236},"coverage":{"mean_confidence":0.9179256863064236,"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}}