{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:4PXNFQQLXAQAU36SCCZYVZLNL4","short_pith_number":"pith:4PXNFQQL","schema_version":"1.0","canonical_sha256":"e3eed2c20bb8200a6fd210b38ae56d5f22f9011f56c93ec082e8160d41844604","source":{"kind":"arxiv","id":"1507.05189","version":1},"attestation_state":"computed","paper":{"title":"Open Photoacoustic Cell for Blood Sugar Measurement: Numerical Calculation of Frequency Response","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.med-ph"],"primary_cat":"physics.comp-ph","authors_text":"Bernd Baumann, Marcus Wolff, Mark Teschner","submitted_at":"2015-07-18T14:21:45Z","abstract_excerpt":"A new approach for continuous and non-invasive monitoring of the glucose concentration in human epidermis has been suggested recently. This method is based on photoacoustic (PA) analysis of human interstitial fluid. The measurement can be performed in vitro and in vivo and, therefore, may form the basis for a non-invasive monitoring of the blood sugar level for diabetes patients. It requires a windowless PA cell with an additional opening that is pressed onto the human skin. Since signals are weak, advantage is taken of acoustic resonances of the cell. Recently, a numerical approach based on t"},"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":"1507.05189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2015-07-18T14:21:45Z","cross_cats_sorted":["physics.med-ph"],"title_canon_sha256":"b0c535a3ebdf6fd8ed45ad819f479ca54e3fe2a320c59e1e5a7880b91fbd2684","abstract_canon_sha256":"c0494171e73a186dedee4be3fe97d975446886de48ce426b55227fac23f02802"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:37.622727Z","signature_b64":"pnSKpya4fQltL/7YIl/m5N0RxsyeZuCyEjQshNv1+C8T6S0ulLqDMCBf4muofcqUTlJSTbnRVaFzXYWr9OkHBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3eed2c20bb8200a6fd210b38ae56d5f22f9011f56c93ec082e8160d41844604","last_reissued_at":"2026-05-18T01:36:37.622035Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:37.622035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Open Photoacoustic Cell for Blood Sugar Measurement: Numerical Calculation of Frequency Response","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.med-ph"],"primary_cat":"physics.comp-ph","authors_text":"Bernd Baumann, Marcus Wolff, Mark Teschner","submitted_at":"2015-07-18T14:21:45Z","abstract_excerpt":"A new approach for continuous and non-invasive monitoring of the glucose concentration in human epidermis has been suggested recently. This method is based on photoacoustic (PA) analysis of human interstitial fluid. The measurement can be performed in vitro and in vivo and, therefore, may form the basis for a non-invasive monitoring of the blood sugar level for diabetes patients. It requires a windowless PA cell with an additional opening that is pressed onto the human skin. Since signals are weak, advantage is taken of acoustic resonances of the cell. Recently, a numerical approach based on t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05189","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":"1507.05189","created_at":"2026-05-18T01:36:37.622120+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.05189v1","created_at":"2026-05-18T01:36:37.622120+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05189","created_at":"2026-05-18T01:36:37.622120+00:00"},{"alias_kind":"pith_short_12","alias_value":"4PXNFQQLXAQA","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"4PXNFQQLXAQAU36S","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"4PXNFQQL","created_at":"2026-05-18T12:29:05.191682+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/4PXNFQQLXAQAU36SCCZYVZLNL4","json":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4.json","graph_json":"https://pith.science/api/pith-number/4PXNFQQLXAQAU36SCCZYVZLNL4/graph.json","events_json":"https://pith.science/api/pith-number/4PXNFQQLXAQAU36SCCZYVZLNL4/events.json","paper":"https://pith.science/paper/4PXNFQQL"},"agent_actions":{"view_html":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4","download_json":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4.json","view_paper":"https://pith.science/paper/4PXNFQQL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.05189&json=true","fetch_graph":"https://pith.science/api/pith-number/4PXNFQQLXAQAU36SCCZYVZLNL4/graph.json","fetch_events":"https://pith.science/api/pith-number/4PXNFQQLXAQAU36SCCZYVZLNL4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4/action/storage_attestation","attest_author":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4/action/author_attestation","sign_citation":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4/action/citation_signature","submit_replication":"https://pith.science/pith/4PXNFQQLXAQAU36SCCZYVZLNL4/action/replication_record"}},"created_at":"2026-05-18T01:36:37.622120+00:00","updated_at":"2026-05-18T01:36:37.622120+00:00"}