{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013143},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006401","490:4900012135","490:4900003719","490:4900008834","496:4960008139","490:4900001439","490:4900004663","487:4870003106","490:4900004236","466:4660012225","490:4900000960","490:4900012279","490:4900003975","466:4660010267","487:4870005268","466:4660004808","490:4900012557","487:4870000893","490:4900009267","490:4900006142","493:4930004639","494:4940008379","487:4870003679","487:4870002361","490:4900012884"],"twin_admin_codes":[490,490,490,490,496,490,490,487,490,466,490,490,490,466,487,466,490,487,490,490,493,494,487,487,490],"twin_sims":[0.001503915007210056,0.0007988168459371291,0.0005105109936879935,0.00046645881924618993,0.00045898480087849753,0.00023680364829406646,0.00019705956077261172,0.0001946168717931962,0.0001939233393438716,0.0001777874990526263,0.00015087438644480845,0.0001412859361173406,0.00014126222300783541,0.0001257543208268745,0.00011112975455361775,0.00009422637691515351,0.0000925608567781665,0.00008511363598107628,0.00007654023668890813,0.00007511788587362529,0.0000681085684486762,0.00005743297389869222,0.00005523391405250788,0.000050272323169803136,0.000050070167100562384],"twin_dists":[0.4682577250353105,0.4905192394828811,0.505680568126579,0.5086817710639165,0.5092170950343865,0.5306856299135897,0.5364933990079539,0.5368854125126697,0.536997558051867,0.539719416299161,0.5448250359793875,0.5468541005092022,0.5468592777716972,0.5504343820888367,0.5542099737392547,0.5592091511629752,0.5597468126094651,0.5622687394211066,0.565444761612267,0.5660040381004462,0.5689157076884777,0.5739480243271675,0.575094243287427,0.5778482393277391,0.5779658433563166],"n_dims_used":45,"mean_confidence":0.911859130859375},"coverage":{"mean_confidence":0.911859130859375,"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}}