{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:WKJCNDD2IAISA42HXHEH7LCJGF","short_pith_number":"pith:WKJCNDD2","schema_version":"1.0","canonical_sha256":"b292268c7a4011207347b9c87fac493153a23dfe0761e8b43cc46794281556b5","source":{"kind":"arxiv","id":"2408.03496","version":3},"attestation_state":"computed","paper":{"title":"A three-stage method for reconstructing multiple coefficients in coupled photoacoustic and diffuse optical imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NA","math.OC","physics.comp-ph","physics.med-ph"],"primary_cat":"math.NA","authors_text":"Kui Ren, Shanyin Tong, Yinxi Pan","submitted_at":"2024-08-07T01:33:44Z","abstract_excerpt":"This paper studies inverse problems in quantitative photoacoustic tomography with additional optical current data supplemented from diffuse optical tomography. We propose a three-stage image reconstruction method for the simultaneous recovery of the absorption, diffusion, and Gr\\\"uneisen coefficients. We demonstrate, through numerical simulations, that: (i) when the Gr\\\"uneisen coefficient is known, the addition of the optical measurements allows a more accurate reconstruction of the scattering and absorption coefficients; and (ii) when the Gr\\\"uneisen coefficient is not known, the addition of"},"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":"2408.03496","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2024-08-07T01:33:44Z","cross_cats_sorted":["cs.NA","math.OC","physics.comp-ph","physics.med-ph"],"title_canon_sha256":"dbb5f5fd8c24793252884ccdce4ea50d9057a5bdc445a9ca2c21d3c7d4009eec","abstract_canon_sha256":"66444fb79ba8e96a1069ae1298c6d0bcf7aa863aeb5c28af514d45a03b18e7d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:04:39.448432Z","signature_b64":"FZit8f/psFKDcf7bVVQjzlJTsjvg4OdFYl0amowVvFUUQ3LwFD5B75M6geIGWXg9/vR1BObtIqoek94yqmHSCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b292268c7a4011207347b9c87fac493153a23dfe0761e8b43cc46794281556b5","last_reissued_at":"2026-07-05T10:04:39.447959Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:04:39.447959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A three-stage method for reconstructing multiple coefficients in coupled photoacoustic and diffuse optical imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NA","math.OC","physics.comp-ph","physics.med-ph"],"primary_cat":"math.NA","authors_text":"Kui Ren, Shanyin Tong, Yinxi Pan","submitted_at":"2024-08-07T01:33:44Z","abstract_excerpt":"This paper studies inverse problems in quantitative photoacoustic tomography with additional optical current data supplemented from diffuse optical tomography. We propose a three-stage image reconstruction method for the simultaneous recovery of the absorption, diffusion, and Gr\\\"uneisen coefficients. We demonstrate, through numerical simulations, that: (i) when the Gr\\\"uneisen coefficient is known, the addition of the optical measurements allows a more accurate reconstruction of the scattering and absorption coefficients; and (ii) when the Gr\\\"uneisen coefficient is not known, the addition of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.03496","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/2408.03496/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":"2408.03496","created_at":"2026-07-05T10:04:39.448024+00:00"},{"alias_kind":"arxiv_version","alias_value":"2408.03496v3","created_at":"2026-07-05T10:04:39.448024+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.03496","created_at":"2026-07-05T10:04:39.448024+00:00"},{"alias_kind":"pith_short_12","alias_value":"WKJCNDD2IAIS","created_at":"2026-07-05T10:04:39.448024+00:00"},{"alias_kind":"pith_short_16","alias_value":"WKJCNDD2IAISA42H","created_at":"2026-07-05T10:04:39.448024+00:00"},{"alias_kind":"pith_short_8","alias_value":"WKJCNDD2","created_at":"2026-07-05T10:04:39.448024+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/WKJCNDD2IAISA42HXHEH7LCJGF","json":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF.json","graph_json":"https://pith.science/api/pith-number/WKJCNDD2IAISA42HXHEH7LCJGF/graph.json","events_json":"https://pith.science/api/pith-number/WKJCNDD2IAISA42HXHEH7LCJGF/events.json","paper":"https://pith.science/paper/WKJCNDD2"},"agent_actions":{"view_html":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF","download_json":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF.json","view_paper":"https://pith.science/paper/WKJCNDD2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2408.03496&json=true","fetch_graph":"https://pith.science/api/pith-number/WKJCNDD2IAISA42HXHEH7LCJGF/graph.json","fetch_events":"https://pith.science/api/pith-number/WKJCNDD2IAISA42HXHEH7LCJGF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF/action/storage_attestation","attest_author":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF/action/author_attestation","sign_citation":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF/action/citation_signature","submit_replication":"https://pith.science/pith/WKJCNDD2IAISA42HXHEH7LCJGF/action/replication_record"}},"created_at":"2026-07-05T10:04:39.448024+00:00","updated_at":"2026-07-05T10:04:39.448024+00:00"}