{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":494,"cluster_id":4940000294},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["485:4850004002","469:4690005078","494:4940000348","494:4940000246","494:4940005331","466:4660002529","494:4940002570","466:4660008075","496:4960011135","494:4940000347","477:4770003050","466:4660008221","489:4890005434","480:4800006448","496:4960011134","496:4960011374","496:4960010180","494:4940001483","479:4790001600","496:4960011378","490:4900002949","468:4680005183","496:4960011376","493:4930004914","490:4900002797"],"twin_admin_codes":[485,469,494,494,494,466,494,466,496,494,477,466,489,480,496,496,496,494,479,496,490,468,496,493,490],"twin_sims":[0.0019276787998116136,0.001191695383967796,0.001024264810580022,0.0006247869924468915,0.0005962426456570165,0.0005153299919643424,0.0004342758315796991,0.00041249516135227776,0.00038280544657753,0.0003385912563206534,0.00029424195198164856,0.0002905640722349935,0.0002601715967104618,0.0002586988065345135,0.000257226627250911,0.00025159474239179713,0.0002500489794065336,0.00022878987832947398,0.0002106576244800973,0.00019378496395025817,0.00018841154373913318,0.00017635414085719249,0.00017554663173942114,0.00016682124019343697,0.00016464846920892994],"twin_dists":[0.45922849940087523,0.4765660489059633,0.4818949118630358,0.4988972453933447,0.50047577633006,0.5053670836948392,0.5110468056326174,0.5127423074164775,0.5151937299520858,0.5191964526329321,0.5237375509653508,0.524142488029104,0.5276859444759421,0.5278673751247849,0.5280497028914559,0.5287563759620002,0.5289529337487833,0.5317787456266299,0.534391343831651,0.5370199787998184,0.5379024961404066,0.5399723391159453,0.5401156821229592,0.5417054663724754,0.5421135294032555],"n_dims_used":45,"mean_confidence":0.9190775553385416},"coverage":{"mean_confidence":0.9190775553385416,"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}}