{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:KHKYGFH26X2YPJAEBXA6S5KNBE","short_pith_number":"pith:KHKYGFH2","schema_version":"1.0","canonical_sha256":"51d58314faf5f587a4040dc1e9754d092076f5ad471d8f2b58e74f3ed3dfae36","source":{"kind":"arxiv","id":"1112.6314","version":1},"attestation_state":"computed","paper":{"title":"Single and two-scale sharp-interface models for concrete carbonation -- Asymptotics and numerical approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Adrian Muntean, Andrea Fern\\'andez, Jonathan D. Evans","submitted_at":"2011-12-21T15:01:57Z","abstract_excerpt":"We investigate the fast-reaction asymptotics for a one-dimensional reaction-diffusion (RD) system describing the penetration of the carbonation reaction in concrete. The technique of matched-asymptotics is used to show that the RD system leads to two distinct classes of sharp-interface models, that correspond to different scalings in a small parameter \\epsilon representing the fast-reaction. Here \\epsilon is the ratio between the characteristic scale of the diffusion of the fastest species and the one of the carbonation reaction. We explore three conceptually different scaling regimes (in term"},"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":"1112.6314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-21T15:01:57Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"eea597a6f4ca4773ccdc27ef08381aba9319c37b68994f99f5d7c2f68ea4e918","abstract_canon_sha256":"5ff1141fdde2a09491261c891ed907a066c3a3b9c060c2e8180cc4ea6557daf7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:05:36.271324Z","signature_b64":"qIcGihV9muzCLUmlncHjLUI9VkAvun3xXvCMRLY3/g9BMrfPDAjywhDmezPKfVqW1bTnoO39M9XQn9ZKtxxqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51d58314faf5f587a4040dc1e9754d092076f5ad471d8f2b58e74f3ed3dfae36","last_reissued_at":"2026-05-18T04:05:36.270845Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:05:36.270845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Single and two-scale sharp-interface models for concrete carbonation -- Asymptotics and numerical approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Adrian Muntean, Andrea Fern\\'andez, Jonathan D. Evans","submitted_at":"2011-12-21T15:01:57Z","abstract_excerpt":"We investigate the fast-reaction asymptotics for a one-dimensional reaction-diffusion (RD) system describing the penetration of the carbonation reaction in concrete. The technique of matched-asymptotics is used to show that the RD system leads to two distinct classes of sharp-interface models, that correspond to different scalings in a small parameter \\epsilon representing the fast-reaction. Here \\epsilon is the ratio between the characteristic scale of the diffusion of the fastest species and the one of the carbonation reaction. We explore three conceptually different scaling regimes (in term"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.6314","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1112.6314","created_at":"2026-05-18T04:05:36.270913+00:00"},{"alias_kind":"arxiv_version","alias_value":"1112.6314v1","created_at":"2026-05-18T04:05:36.270913+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.6314","created_at":"2026-05-18T04:05:36.270913+00:00"},{"alias_kind":"pith_short_12","alias_value":"KHKYGFH26X2Y","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_16","alias_value":"KHKYGFH26X2YPJAE","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_8","alias_value":"KHKYGFH2","created_at":"2026-05-18T12:26:32.869790+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE","json":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE.json","graph_json":"https://pith.science/api/pith-number/KHKYGFH26X2YPJAEBXA6S5KNBE/graph.json","events_json":"https://pith.science/api/pith-number/KHKYGFH26X2YPJAEBXA6S5KNBE/events.json","paper":"https://pith.science/paper/KHKYGFH2"},"agent_actions":{"view_html":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE","download_json":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE.json","view_paper":"https://pith.science/paper/KHKYGFH2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1112.6314&json=true","fetch_graph":"https://pith.science/api/pith-number/KHKYGFH26X2YPJAEBXA6S5KNBE/graph.json","fetch_events":"https://pith.science/api/pith-number/KHKYGFH26X2YPJAEBXA6S5KNBE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE/action/storage_attestation","attest_author":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE/action/author_attestation","sign_citation":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE/action/citation_signature","submit_replication":"https://pith.science/pith/KHKYGFH26X2YPJAEBXA6S5KNBE/action/replication_record"}},"created_at":"2026-05-18T04:05:36.270913+00:00","updated_at":"2026-05-18T04:05:36.270913+00:00"}