{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001251},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001253","490:4900001379","490:4900001512","490:4900004219","490:4900003398","490:4900001647","490:4900003133","490:4900003653","490:4900001246","490:4900003810","490:4900004357","490:4900003514","490:4900003662","490:4900004369","490:4900002994","490:4900003652","490:4900002697","490:4900002698","490:4900004372","490:4900003257","490:4900003529","490:4900003803","490:4900002990","490:4900001510","490:4900003535"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.14036095147497493,0.09665077124122663,0.07592654921647071,0.052918194159621006,0.026931527560775513,0.02692885702608254,0.024516320676023596,0.023627247599770983,0.021555941418090915,0.01898343779003379,0.01842406923342426,0.018179060568750145,0.017224922136197803,0.015916721312144066,0.013898259547568974,0.013151095170836308,0.013020141917459378,0.012974826770717507,0.012196357823523558,0.012121435811594016,0.010577566903074277,0.009588285773258364,0.008909963287282208,0.008862821082527516,0.008378184392526881],"twin_dists":[0.2573703384329275,0.28076035208991423,0.29490311670331526,0.3148757629589728,0.34918888740953535,0.3491936774928738,0.353698388166155,0.35545556599407974,0.3597829824893152,0.3656924430071056,0.36706938771586745,0.36768404886745487,0.3701490323098506,0.37373107559238566,0.37980201862279866,0.382248229054502,0.3826895730527693,0.382843210973649,0.3855596182745326,0.3858290948628129,0.39173985653022425,0.39594525294251603,0.3990586805347548,0.3992828489380399,0.4016513792897317],"n_dims_used":45,"mean_confidence":0.90851804945204},"coverage":{"mean_confidence":0.90851804945204,"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}}