{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:4RCRN3NF3MXE5HN3S2IGB3VXIG","short_pith_number":"pith:4RCRN3NF","schema_version":"1.0","canonical_sha256":"e44516eda5db2e4e9dbb969060eeb74197788cf1d588f99a8e688f5b4227d787","source":{"kind":"arxiv","id":"2303.10775","version":1},"attestation_state":"computed","paper":{"title":"Noninvasive in vivo photoacoustic measurement of internal jugular venous oxygenation in humans","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Alejandro Garcia-Uribe, Anshuman Sharma, Haixin Ke, Kavya Narayana Reddy, Lihong V. Wang, Todd N. Erpelding","submitted_at":"2023-03-19T21:55:08Z","abstract_excerpt":"In many clinical conditions, such as head trauma, stroke, and low cardiac output states, the brain is at risk for hypoxic-ischemic injury. The metabolic rate and oxygen consumption of the brain are reflected in internal jugular venous oxygen saturation (sijvO2). The current gold standard for monitoring brain oxygenation is invasive; it requires jugular vein catheterization under fluoroscopic guidance and therefore is rarely used. Photoacoustic (PA) measurement, on the other hand, can estimate the oxygen consumption of the brain non-invasively in real time. Such a convenient method can potentia"},"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":"2303.10775","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2023-03-19T21:55:08Z","cross_cats_sorted":[],"title_canon_sha256":"463ef33386948de6653034fb6d3db906a1167d51f3248c73f775619ae42f23da","abstract_canon_sha256":"f4549778c4aa544540db39d9ae8179dc51daae6db9e4345035eddeb970097368"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:52:36.481008Z","signature_b64":"H0hX2hFmBk/FZB3xq6rliUBD5HA7pIYJQBVQxYt7vP+jEMGKGtaHoJrqlIQJkuBRw+zkP1ovqLfrmCkmJ4XKDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e44516eda5db2e4e9dbb969060eeb74197788cf1d588f99a8e688f5b4227d787","last_reissued_at":"2026-07-05T05:52:36.480668Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:52:36.480668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Noninvasive in vivo photoacoustic measurement of internal jugular venous oxygenation in humans","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Alejandro Garcia-Uribe, Anshuman Sharma, Haixin Ke, Kavya Narayana Reddy, Lihong V. Wang, Todd N. Erpelding","submitted_at":"2023-03-19T21:55:08Z","abstract_excerpt":"In many clinical conditions, such as head trauma, stroke, and low cardiac output states, the brain is at risk for hypoxic-ischemic injury. The metabolic rate and oxygen consumption of the brain are reflected in internal jugular venous oxygen saturation (sijvO2). The current gold standard for monitoring brain oxygenation is invasive; it requires jugular vein catheterization under fluoroscopic guidance and therefore is rarely used. Photoacoustic (PA) measurement, on the other hand, can estimate the oxygen consumption of the brain non-invasively in real time. Such a convenient method can potentia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.10775","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.10775/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":"2303.10775","created_at":"2026-07-05T05:52:36.480724+00:00"},{"alias_kind":"arxiv_version","alias_value":"2303.10775v1","created_at":"2026-07-05T05:52:36.480724+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.10775","created_at":"2026-07-05T05:52:36.480724+00:00"},{"alias_kind":"pith_short_12","alias_value":"4RCRN3NF3MXE","created_at":"2026-07-05T05:52:36.480724+00:00"},{"alias_kind":"pith_short_16","alias_value":"4RCRN3NF3MXE5HN3","created_at":"2026-07-05T05:52:36.480724+00:00"},{"alias_kind":"pith_short_8","alias_value":"4RCRN3NF","created_at":"2026-07-05T05:52:36.480724+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/4RCRN3NF3MXE5HN3S2IGB3VXIG","json":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG.json","graph_json":"https://pith.science/api/pith-number/4RCRN3NF3MXE5HN3S2IGB3VXIG/graph.json","events_json":"https://pith.science/api/pith-number/4RCRN3NF3MXE5HN3S2IGB3VXIG/events.json","paper":"https://pith.science/paper/4RCRN3NF"},"agent_actions":{"view_html":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG","download_json":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG.json","view_paper":"https://pith.science/paper/4RCRN3NF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2303.10775&json=true","fetch_graph":"https://pith.science/api/pith-number/4RCRN3NF3MXE5HN3S2IGB3VXIG/graph.json","fetch_events":"https://pith.science/api/pith-number/4RCRN3NF3MXE5HN3S2IGB3VXIG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG/action/storage_attestation","attest_author":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG/action/author_attestation","sign_citation":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG/action/citation_signature","submit_replication":"https://pith.science/pith/4RCRN3NF3MXE5HN3S2IGB3VXIG/action/replication_record"}},"created_at":"2026-07-05T05:52:36.480724+00:00","updated_at":"2026-07-05T05:52:36.480724+00:00"}