{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910005673},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910005813","491:4910005720","487:4870000256","485:4850005437","497:4970000107","491:4910005767","491:4910004478","497:4970001197","491:4910005275","491:4910005850","491:4910004387","491:4910005815","491:4910005812","665:6650002288","665:6650000270","489:4890002850","466:4660012145","485:4850004666","491:4910005811","478:4780007727","485:4850005438","491:4910004916","469:4690002806","491:4910004755","480:4800005833"],"twin_admin_codes":[491,491,487,485,497,491,491,497,491,491,491,491,491,665,665,489,466,485,491,478,485,491,469,491,480],"twin_sims":[0.00093977253243032,0.0007531732001326793,0.0006632935839778383,0.0004375093405076596,0.00022696497771696234,0.00022618913855411158,0.00018301080872461822,0.00016864726358154696,0.00014202828995085623,0.00011516533072944477,0.00009980299874033744,0.00008757902251254726,0.00006530914837779006,0.00006406465279124635,0.000061619074461282,0.000060748479728224696,0.00004612461306072538,0.000040585539484517225,0.00003610522801718572,0.00003479492026575868,0.00003314264711646851,0.000031512910508712655,0.000023369981741626368,0.00001761025859104561,0.000016864729498476024],"twin_dists":[0.4848989759753777,0.49253828173440956,0.4968710989169161,0.5108019062672072,0.5320326985746989,0.5321412464320456,0.5388137132714845,0.5413663808171297,0.5466924362631377,0.5531232833835668,0.5574721433325723,0.56141149317233,0.5701587156125901,0.5707276022464286,0.5718767322451512,0.5722962719519418,0.5803562871696116,0.5840627305146197,0.5874311609722671,0.5884916458703694,0.5898844218600002,0.5913244949332213,0.5997912103249962,0.6076968389458711,0.6088963120109347],"n_dims_used":45,"mean_confidence":0.8879330105251736},"coverage":{"mean_confidence":0.8879330105251736,"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}}