{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960011259},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960005212","473:4730004094","469:4690003007","479:4790003872","478:4780003393","469:4690003108","467:4670001921","500:5000003089","479:4790004044","469:4690003300","469:4690001887","500:5000005715","481:4810003271","479:4790002314","478:4780005913","467:4670002151","490:4900005926","500:5000009989","487:4870010710","488:4880003081","469:4690003206","469:4690002274","478:4780006365","489:4890003065","472:4720006623"],"twin_admin_codes":[496,473,469,479,478,469,467,500,479,469,469,500,481,479,478,467,490,500,487,488,469,469,478,489,472],"twin_sims":[0.0049129817406806196,0.004396920850275906,0.002158013431182861,0.0012710480511972464,0.0011774923687626578,0.0006611231798094155,0.0005778586050886578,0.00028739210006805966,0.00024625557855310806,0.00022635825149117122,0.0001940834162063605,0.00019082944471772778,0.00016781098759006478,0.00013729666880835394,0.00012329449697604485,0.00012138285704859627,0.00009476942801161819,0.00008482111662734277,0.000068748507193256,0.00005973404366083346,0.00004785113198518155,0.000047036732324242644,0.00004533583283592958,0.000044552314832096336,0.00004039616890658812],"twin_dists":[0.42347345586614904,0.42787093329830383,0.4550638646850745,0.4742789197327755,0.47699022640855737,0.49698234933945307,0.501530183363018,0.5244956068576806,0.5294401812367865,0.5321175559869371,0.5369716398326434,0.5375024917456069,0.541521242378462,0.5477368239746714,0.5510393985155968,0.5515175085115832,0.5590357865443708,0.5623720076431126,0.5686383693261344,0.5727923836430135,0.579287262809166,0.579786876170245,0.5808573924827991,0.581363422853481,0.5841977804399069],"n_dims_used":45,"mean_confidence":0.9007637871636285},"coverage":{"mean_confidence":0.9007637871636285,"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}}