{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:YSJ5DKR6XV7LORSFZBQAMW6OUS","short_pith_number":"pith:YSJ5DKR6","schema_version":"1.0","canonical_sha256":"c493d1aa3ebd7eb74645c860065bcea49abbcc57e5f815a6ddb973c9338a2417","source":{"kind":"arxiv","id":"2302.11858","version":3},"attestation_state":"computed","paper":{"title":"Propagator and transfer matrices, Marchenko focusing functions and their mutual relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Christian Reinicke, Kees Wapenaar, Marcin Dukalski, Roel Snieder","submitted_at":"2023-02-23T08:55:23Z","abstract_excerpt":"Many seismic imaging methods use wave field extrapolation operators to redatum sources and receivers from the surface into the subsurface. We discuss wave field extrapolation operators that account for internal multiple reflections, in particular propagator matrices, transfer matrices and Marchenko focusing functions.\n  A propagator matrix is a square matrix that `propagates' a wave-field vector from one depth level to another. It accounts for primaries and multiples and holds for propagating and evanescent waves.\n  A Marchenko focusing function is a wave field that focuses at a designated poi"},"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":"2302.11858","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2023-02-23T08:55:23Z","cross_cats_sorted":[],"title_canon_sha256":"57ef6dc1323a34adaa18adc56ae79928d5da9545941494c99ccbefd6e1737cd8","abstract_canon_sha256":"9fa67453beee82cf8e9334e15295234f4b59161d21a9f7efe6cbe92595dc2b50"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:07.520625Z","signature_b64":"CjuovymWZt8QAeVAgsfHs5RO94loApCpEy8cJXJ7K5UjFYip0IprFLvnAihoTKaJJ/qbQsn4NmWzm07SQRF+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c493d1aa3ebd7eb74645c860065bcea49abbcc57e5f815a6ddb973c9338a2417","last_reissued_at":"2026-06-19T16:11:07.520268Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:07.520268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Propagator and transfer matrices, Marchenko focusing functions and their mutual relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Christian Reinicke, Kees Wapenaar, Marcin Dukalski, Roel Snieder","submitted_at":"2023-02-23T08:55:23Z","abstract_excerpt":"Many seismic imaging methods use wave field extrapolation operators to redatum sources and receivers from the surface into the subsurface. We discuss wave field extrapolation operators that account for internal multiple reflections, in particular propagator matrices, transfer matrices and Marchenko focusing functions.\n  A propagator matrix is a square matrix that `propagates' a wave-field vector from one depth level to another. It accounts for primaries and multiples and holds for propagating and evanescent waves.\n  A Marchenko focusing function is a wave field that focuses at a designated poi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.11858","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.11858/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2302.11858","created_at":"2026-06-19T16:11:07.520339+00:00"},{"alias_kind":"arxiv_version","alias_value":"2302.11858v3","created_at":"2026-06-19T16:11:07.520339+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.11858","created_at":"2026-06-19T16:11:07.520339+00:00"},{"alias_kind":"pith_short_12","alias_value":"YSJ5DKR6XV7L","created_at":"2026-06-19T16:11:07.520339+00:00"},{"alias_kind":"pith_short_16","alias_value":"YSJ5DKR6XV7LORSF","created_at":"2026-06-19T16:11:07.520339+00:00"},{"alias_kind":"pith_short_8","alias_value":"YSJ5DKR6","created_at":"2026-06-19T16:11:07.520339+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/YSJ5DKR6XV7LORSFZBQAMW6OUS","json":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS.json","graph_json":"https://pith.science/api/pith-number/YSJ5DKR6XV7LORSFZBQAMW6OUS/graph.json","events_json":"https://pith.science/api/pith-number/YSJ5DKR6XV7LORSFZBQAMW6OUS/events.json","paper":"https://pith.science/paper/YSJ5DKR6"},"agent_actions":{"view_html":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS","download_json":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS.json","view_paper":"https://pith.science/paper/YSJ5DKR6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2302.11858&json=true","fetch_graph":"https://pith.science/api/pith-number/YSJ5DKR6XV7LORSFZBQAMW6OUS/graph.json","fetch_events":"https://pith.science/api/pith-number/YSJ5DKR6XV7LORSFZBQAMW6OUS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS/action/storage_attestation","attest_author":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS/action/author_attestation","sign_citation":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS/action/citation_signature","submit_replication":"https://pith.science/pith/YSJ5DKR6XV7LORSFZBQAMW6OUS/action/replication_record"}},"created_at":"2026-06-19T16:11:07.520339+00:00","updated_at":"2026-06-19T16:11:07.520339+00:00"}