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We aim to reproduce the observed abundance of H2O2 and other species detected in {\\rho} Oph A quantitatively.\n  Methods. We make use of a chemical network which includes gas phase reactions as well as processes on the grains; desorption from the grain surface through chemical reaction is also included. We run the model for a range of physical param"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1111.6477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-28T15:38:17Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"e49ec4606b88c11be8a4eec5549e82bea5033f7dbfb979e3a670201b005d6dc8","abstract_canon_sha256":"c807c3a327ad0bbe3a680af0ad5d61ed88a41e10e1d14020fd699353770cc2de"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:22.965904Z","signature_b64":"NORAMrnjhnpJMJyW4Vn5pqByhbZcuBAnFUl2cYHaz/HnPNEkYKGxv3pTnNW8puYYsIFGzySZtUg1thUPyHx0DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65022d857c2754e909c42578035f194b913a636cf60f3c134f98ca6dd0a191d2","last_reissued_at":"2026-05-18T01:59:22.965363Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:22.965363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Production of interstellar hydrogen peroxide (H2O2) on the surface of dust grains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"astro-ph.GA","authors_text":"Berengere Parise, Fujun Du, Per Bergman","submitted_at":"2011-11-28T15:38:17Z","abstract_excerpt":"Context. 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