{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000365},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000446","494:4940007941","494:4940007434","490:4900000305","490:4900000979","494:4940007839","494:4940008541","494:4940007639","494:4940007834","490:4900000371","490:4900000370","490:4900000443","490:4900012310","490:4900000978","494:4940008351","494:4940008254","490:4900000445","490:4900000441","490:4900012380","490:4900000534","490:4900000533","494:4940006351","490:4900000448","490:4900000368","494:4940008358"],"twin_admin_codes":[490,494,494,490,490,494,494,494,494,490,490,490,490,490,494,494,490,490,490,490,490,494,490,490,494],"twin_sims":[0.28844640541387545,0.23556066622562216,0.1813207443678507,0.181197284332837,0.1768128552777888,0.1480770404534372,0.10294063019159592,0.10138547164508076,0.08082152166908299,0.07764401231783945,0.07541569876497542,0.0732238220046968,0.06471623728300616,0.0643866520754772,0.06252701839272261,0.05771710309041408,0.05727290916602963,0.05596660460189434,0.05340052024342539,0.04873914969370289,0.042032533857922015,0.03941053760780195,0.03850302181172349,0.03562843005143217,0.03538050846137151],"twin_dists":[0.20479406938634184,0.22084672863987762,0.24000353693839388,0.24005140144039966,0.2417664020298781,0.2538388529606546,0.27694667006961604,0.27787225361718243,0.2913077507556735,0.29362096032067253,0.2952889942724506,0.296968997329405,0.303903144781336,0.3041863966883223,0.30580720809826667,0.31019083642174067,0.31061066266289067,0.31186107646463274,0.3143893467452617,0.3192521314863476,0.32698008062707473,0.33028601696347143,0.3314736115350953,0.33539876322421575,0.33574975112286604],"n_dims_used":45,"mean_confidence":0.9107208251953125},"coverage":{"mean_confidence":0.9107208251953125,"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}}