{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012700},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012999","490:4900012467","490:4900013030","490:4900012951","490:4900012953","490:4900012270","490:4900013109","490:4900013066","490:4900012552","490:4900012629","490:4900012341","490:4900012940","490:4900012994","490:4900012399","490:4900013211","487:4870000677","490:4900012269","490:4900013144","487:4870001094","490:4900012617","490:4900013141","487:4870000198","487:4870000919","490:4900012954","490:4900012538"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,487,490,490,487,487,490,490],"twin_sims":[0.6245416231918909,0.4714518895848572,0.3964828157276477,0.3597015361800728,0.3157639007633313,0.30558558639146177,0.27996635741879344,0.2672727527696451,0.2578380636488436,0.25200173391037545,0.23069488739971247,0.21415437334492238,0.18975059215430076,0.1886017642958188,0.16020238987606808,0.15176638642723317,0.14841050505472717,0.14405784555398243,0.14218425804694604,0.1421361889776669,0.13362049050193353,0.13226447705342403,0.12817380509905668,0.1265085624749524,0.121325781343803],"twin_dists":[0.12601671392226918,0.15926851239913645,0.1766601050077905,0.1857233011810405,0.19720067002920605,0.19998354993164624,0.20723718621349688,0.21097994306737952,0.2138338019384357,0.21563227475375238,0.2224351722325382,0.2280070930980674,0.23678827806937094,0.23722047449670328,0.24855393674150458,0.2521982553025036,0.2536893358204108,0.2556608463606709,0.25652308682876207,0.2565453194175456,0.2605757164040659,0.2612351461686971,0.26325581538106835,0.26409237145301184,0.26675068523869544],"n_dims_used":45,"mean_confidence":0.9096486409505208},"coverage":{"mean_confidence":0.9096486409505208,"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}}