{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:NKH34WEDBDPU4FJTST33GUG77C","short_pith_number":"pith:NKH34WED","schema_version":"1.0","canonical_sha256":"6a8fbe588308df4e153394f7b350dff8856af843e0c051ed757e3ed2a95871d6","source":{"kind":"arxiv","id":"1202.0887","version":1},"attestation_state":"computed","paper":{"title":"Local Wettability Reversal during Steady-State Two-Phase Flow in Porous Media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Alex Hansen, Erik Skjetne, Morten Gr{\\o}va, Santanu Sinha, Torgeir Bryge {\\O}deg{\\aa}rden","submitted_at":"2012-02-04T10:07:31Z","abstract_excerpt":"We study the effect of local wettability reversal on remobilizing immobile fluid clusters in steady-state two-phase flow in porous media. We consider a two dimensional network model for porous medium and introduce a wettability alteration mechanism. A qualitative change in the steady state flow patterns, destabilizing the percolating and trapped clusters, is observed as the system wettability is varied. When capillary forces are strong a finite wettability alteration is necessary to move the system from single-phase to two-phase flow regime. For the case of both phases being mobile we find a l"},"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":"1202.0887","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-02-04T10:07:31Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"8c4338ad89dc3838aad01e1bde3b744f94bdac58bee6288095a89e780765a692","abstract_canon_sha256":"87e993510dbef6528308d87fad4ebc66bbb7bfd06f7f0190878dbdb53817f2e8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:03:05.885517Z","signature_b64":"dXCA0BzYPWldFEHxzfRNSbybaGfxNwzpXiUopyj64euZ5Txl7KQ9PeA0fz/lsAxeTgxc+Fdm5lUGfpGUJOaOBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a8fbe588308df4e153394f7b350dff8856af843e0c051ed757e3ed2a95871d6","last_reissued_at":"2026-05-18T04:03:05.884610Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:03:05.884610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Local Wettability Reversal during Steady-State Two-Phase Flow in Porous Media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Alex Hansen, Erik Skjetne, Morten Gr{\\o}va, Santanu Sinha, Torgeir Bryge {\\O}deg{\\aa}rden","submitted_at":"2012-02-04T10:07:31Z","abstract_excerpt":"We study the effect of local wettability reversal on remobilizing immobile fluid clusters in steady-state two-phase flow in porous media. We consider a two dimensional network model for porous medium and introduce a wettability alteration mechanism. A qualitative change in the steady state flow patterns, destabilizing the percolating and trapped clusters, is observed as the system wettability is varied. When capillary forces are strong a finite wettability alteration is necessary to move the system from single-phase to two-phase flow regime. For the case of both phases being mobile we find a l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0887","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":"1202.0887","created_at":"2026-05-18T04:03:05.884748+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.0887v1","created_at":"2026-05-18T04:03:05.884748+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0887","created_at":"2026-05-18T04:03:05.884748+00:00"},{"alias_kind":"pith_short_12","alias_value":"NKH34WEDBDPU","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_16","alias_value":"NKH34WEDBDPU4FJT","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_8","alias_value":"NKH34WED","created_at":"2026-05-18T12:27:16.716162+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/NKH34WEDBDPU4FJTST33GUG77C","json":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C.json","graph_json":"https://pith.science/api/pith-number/NKH34WEDBDPU4FJTST33GUG77C/graph.json","events_json":"https://pith.science/api/pith-number/NKH34WEDBDPU4FJTST33GUG77C/events.json","paper":"https://pith.science/paper/NKH34WED"},"agent_actions":{"view_html":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C","download_json":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C.json","view_paper":"https://pith.science/paper/NKH34WED","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.0887&json=true","fetch_graph":"https://pith.science/api/pith-number/NKH34WEDBDPU4FJTST33GUG77C/graph.json","fetch_events":"https://pith.science/api/pith-number/NKH34WEDBDPU4FJTST33GUG77C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C/action/storage_attestation","attest_author":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C/action/author_attestation","sign_citation":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C/action/citation_signature","submit_replication":"https://pith.science/pith/NKH34WEDBDPU4FJTST33GUG77C/action/replication_record"}},"created_at":"2026-05-18T04:03:05.884748+00:00","updated_at":"2026-05-18T04:03:05.884748+00:00"}