{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800006469},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790001573","484:4840006831","478:4780004389","480:4800002373","498:4980003991","500:5000011477","496:4960010902","484:4840000342","488:4880002575","489:4890005353","488:4880005946","476:4760000536","484:4840001269","474:4740001670","472:4720005717","469:4690000330","487:4870001231","484:4840008580","484:4840006934","484:4840001571","490:4900001130","494:4940008959","475:4750000024","474:4740003679","475:4750000023"],"twin_admin_codes":[479,484,478,480,498,500,496,484,488,489,488,476,484,474,472,469,487,484,484,484,490,494,475,474,475],"twin_sims":[0.0025804982761440773,0.0023545768819031596,0.001822900657703268,0.00105896910195281,0.0010038987673201805,0.0009495855986621244,0.0009226684977576627,0.0006055089314616245,0.0005075703997692271,0.00047487525185541454,0.0002037742526450533,0.00019694800167302612,0.00017122564634166284,0.00016495624942627907,0.00015652089100531637,0.00010800130954104243,0.00009280682336409955,0.00008810827859399393,0.000032411703101928836,0.000028689419742125036,0.000024634461833008127,0.00002438836469417884,0.00002365483973671118,0.000023126646525195768,0.000021345305377957977],"twin_dists":[0.44838770413805784,0.4518211613894913,0.4612766731375759,0.4807271960112358,0.4825973809260105,0.48453749730456797,0.48553748762365784,0.49995575649492774,0.5058732196577644,0.5080884623792898,0.5354389084625688,0.5365112025556952,0.5408934307162815,0.5420554184329559,0.5436863445423625,0.5550783687540012,0.5596668366537391,0.5612304453852277,0.5905217701147534,0.5939960471866237,0.598307510281849,0.5985904946234956,0.5994504040651728,0.6000854888253616,0.6023342582063623],"n_dims_used":42,"mean_confidence":0.8878647940499442},"coverage":{"mean_confidence":0.8878647940499442,"n_dims_used":42,"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}}