{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000936},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000938","490:4900000935","490:4900000267","490:4900000767","490:4900000559","478:4780007735","480:4800004451","480:4800004538","480:4800004537","493:4930000393","478:4780008550","490:4900001742","490:4900000685","480:4800004450","490:4900000033","478:4780008345","490:4900000657","490:4900001847","490:4900000019","493:4930000392","478:4780008230","490:4900001219","490:4900000034","490:4900006408","487:4870003258"],"twin_admin_codes":[490,490,490,490,490,478,480,480,480,493,478,490,490,480,490,478,490,490,490,493,478,490,490,490,487],"twin_sims":[0.30930044647750554,0.20934522386118473,0.2071163935513327,0.20134533636314658,0.1977882667831097,0.1779734397564995,0.16623182497094088,0.16420335889913312,0.16033248892766658,0.15684802786215687,0.15541757451169708,0.15253415871484277,0.14415549096666586,0.14408982446021984,0.14359230007994522,0.13463492974113628,0.13063971070172842,0.1286196112435377,0.1283824643869586,0.12336276840038823,0.11609296485972859,0.11527644610628213,0.11475301582584281,0.11431189045870586,0.10812392273805715],"twin_dists":[0.19896179345169576,0.22968115635629957,0.2304658808772061,0.23252493713067582,0.2338143477633265,0.24130952032907854,0.24603397158029935,0.24687426029770526,0.24849884277540582,0.2499858136920408,0.250603231188614,0.2518605350430041,0.2556161379502147,0.255646201865693,0.2558743130349021,0.2600856759741884,0.2620320082296958,0.2630332559856014,0.2631515738236327,0.26569577284042867,0.2695240766151193,0.26996543024978065,0.2702496257050681,0.2704899089961752,0.27393834702336656],"n_dims_used":45,"mean_confidence":0.9172146267361111},"coverage":{"mean_confidence":0.9172146267361111,"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}}