{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:5JDCBA5KK3WRO2LWT4T46THRPT","short_pith_number":"pith:5JDCBA5K","canonical_record":{"source":{"id":"2406.14816","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-21T01:32:57Z","cross_cats_sorted":["eess.SP","physics.bio-ph"],"title_canon_sha256":"fe77ab37e97550ebeb2ab2676701a403a43408ab2d4ab9be888e42c837192452","abstract_canon_sha256":"eaa6d8f21a98e5caa01f13672e4e9b02bf26ea9f6fac91bde68b2d403d05c59e"},"schema_version":"1.0"},"canonical_sha256":"ea462083aa56ed1769769f27cf4cf17cf22020fae1588cc8c7103aaaffcf7068","source":{"kind":"arxiv","id":"2406.14816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14816","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14816v1","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14816","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"pith_short_12","alias_value":"5JDCBA5KK3WR","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"pith_short_16","alias_value":"5JDCBA5KK3WRO2LW","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"pith_short_8","alias_value":"5JDCBA5K","created_at":"2026-07-05T08:35:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:5JDCBA5KK3WRO2LWT4T46THRPT","target":"record","payload":{"canonical_record":{"source":{"id":"2406.14816","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-21T01:32:57Z","cross_cats_sorted":["eess.SP","physics.bio-ph"],"title_canon_sha256":"fe77ab37e97550ebeb2ab2676701a403a43408ab2d4ab9be888e42c837192452","abstract_canon_sha256":"eaa6d8f21a98e5caa01f13672e4e9b02bf26ea9f6fac91bde68b2d403d05c59e"},"schema_version":"1.0"},"canonical_sha256":"ea462083aa56ed1769769f27cf4cf17cf22020fae1588cc8c7103aaaffcf7068","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:35:08.876434Z","signature_b64":"0OQnkuy2g2KTdWPHXIufgCC4fVu0tfD2SiQD/nZEQQoVQRZR0EpHHGIoHmK+5aohVT2IfCc/V/fTBNbpB0tKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea462083aa56ed1769769f27cf4cf17cf22020fae1588cc8c7103aaaffcf7068","last_reissued_at":"2026-07-05T08:35:08.875987Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:35:08.875987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.14816","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:35:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TAjz4VA5q6DrU44ak/xKBV32F4sTLS03+ZTGC6llWnZpKeuze38v5oqTUUXPbKF6h5cz8Zwh9JvhBMq0fTnDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T00:20:26.784231Z"},"content_sha256":"344b82210d56362019ec5c8bbbf25a13c5f0978e2f7cd7176aaaafd6558a2dca","schema_version":"1.0","event_id":"sha256:344b82210d56362019ec5c8bbbf25a13c5f0978e2f7cd7176aaaafd6558a2dca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:5JDCBA5KK3WRO2LWT4T46THRPT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A novel optical assay system for bilirubin concentration measurement in whole blood","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["eess.SP","physics.bio-ph"],"primary_cat":"physics.med-ph","authors_text":"Anushi E. Rajapaksa, Arman Ahnood, Genia Burchall, Jean Pierre Ndabakuranye, Shiqiang Li, Steven Prawer","submitted_at":"2024-06-21T01:32:57Z","abstract_excerpt":"As a biomarker for liver disease, bilirubin has been utilized in prognostic scoring systems for cirrhosis. While laboratory-based methods are used to determine bilirubin levels in clinical settings, they do not readily lend themselves to applications outside of hospitals. Consequently, bilirubin monitoring for cirrhotic patients is often performed only intermittently; thus, episodes requiring clinical interventions could be missed. This work investigates the feasibility of measuring bilirubin concentration in whole porcine blood samples using dual-wavelength transmission measurement. A compact"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14816","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/2406.14816/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:35:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUgvWtSmZVBSXISwUIknZqPdVgFb1iICRCnNb2Z/V3hFUHzJUJg2T9aOQtP7L8BLjPtFE1IY3+w99Cv6kulhCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T00:20:26.784636Z"},"content_sha256":"a7268782c13606c375747c6acc6de35b9dd4432d00c573ab04a940180a4d4837","schema_version":"1.0","event_id":"sha256:a7268782c13606c375747c6acc6de35b9dd4432d00c573ab04a940180a4d4837"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5JDCBA5KK3WRO2LWT4T46THRPT/bundle.json","state_url":"https://pith.science/pith/5JDCBA5KK3WRO2LWT4T46THRPT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5JDCBA5KK3WRO2LWT4T46THRPT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-16T00:20:26Z","links":{"resolver":"https://pith.science/pith/5JDCBA5KK3WRO2LWT4T46THRPT","bundle":"https://pith.science/pith/5JDCBA5KK3WRO2LWT4T46THRPT/bundle.json","state":"https://pith.science/pith/5JDCBA5KK3WRO2LWT4T46THRPT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5JDCBA5KK3WRO2LWT4T46THRPT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:5JDCBA5KK3WRO2LWT4T46THRPT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"eaa6d8f21a98e5caa01f13672e4e9b02bf26ea9f6fac91bde68b2d403d05c59e","cross_cats_sorted":["eess.SP","physics.bio-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-21T01:32:57Z","title_canon_sha256":"fe77ab37e97550ebeb2ab2676701a403a43408ab2d4ab9be888e42c837192452"},"schema_version":"1.0","source":{"id":"2406.14816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.14816","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"arxiv_version","alias_value":"2406.14816v1","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.14816","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"pith_short_12","alias_value":"5JDCBA5KK3WR","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"pith_short_16","alias_value":"5JDCBA5KK3WRO2LW","created_at":"2026-07-05T08:35:08Z"},{"alias_kind":"pith_short_8","alias_value":"5JDCBA5K","created_at":"2026-07-05T08:35:08Z"}],"graph_snapshots":[{"event_id":"sha256:a7268782c13606c375747c6acc6de35b9dd4432d00c573ab04a940180a4d4837","target":"graph","created_at":"2026-07-05T08:35:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.14816/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As a biomarker for liver disease, bilirubin has been utilized in prognostic scoring systems for cirrhosis. While laboratory-based methods are used to determine bilirubin levels in clinical settings, they do not readily lend themselves to applications outside of hospitals. Consequently, bilirubin monitoring for cirrhotic patients is often performed only intermittently; thus, episodes requiring clinical interventions could be missed. This work investigates the feasibility of measuring bilirubin concentration in whole porcine blood samples using dual-wavelength transmission measurement. A compact","authors_text":"Anushi E. Rajapaksa, Arman Ahnood, Genia Burchall, Jean Pierre Ndabakuranye, Shiqiang Li, Steven Prawer","cross_cats":["eess.SP","physics.bio-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-21T01:32:57Z","title":"A novel optical assay system for bilirubin concentration measurement in whole blood"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.14816","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:344b82210d56362019ec5c8bbbf25a13c5f0978e2f7cd7176aaaafd6558a2dca","target":"record","created_at":"2026-07-05T08:35:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"eaa6d8f21a98e5caa01f13672e4e9b02bf26ea9f6fac91bde68b2d403d05c59e","cross_cats_sorted":["eess.SP","physics.bio-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2024-06-21T01:32:57Z","title_canon_sha256":"fe77ab37e97550ebeb2ab2676701a403a43408ab2d4ab9be888e42c837192452"},"schema_version":"1.0","source":{"id":"2406.14816","kind":"arxiv","version":1}},"canonical_sha256":"ea462083aa56ed1769769f27cf4cf17cf22020fae1588cc8c7103aaaffcf7068","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea462083aa56ed1769769f27cf4cf17cf22020fae1588cc8c7103aaaffcf7068","first_computed_at":"2026-07-05T08:35:08.875987Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:35:08.875987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0OQnkuy2g2KTdWPHXIufgCC4fVu0tfD2SiQD/nZEQQoVQRZR0EpHHGIoHmK+5aohVT2IfCc/V/fTBNbpB0tKBg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:35:08.876434Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.14816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:344b82210d56362019ec5c8bbbf25a13c5f0978e2f7cd7176aaaafd6558a2dca","sha256:a7268782c13606c375747c6acc6de35b9dd4432d00c573ab04a940180a4d4837"],"state_sha256":"ff47af2fba553ec028bd18d39e5ae4da07568d126c5c1735fd845f34a8f2dcdd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rn0FV1Eqfb9u35hEC+nSllh02ciIeJwTXBWqhTaYUhpYiGebHKdewq+yJJdp4PYaxMuX57Qf4J+qVAeFfkqXCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T00:20:26.787340Z","bundle_sha256":"b9d7e484e7c25ef0085b5e6c8b43877fcc30cf2ec9abfee031ad3b9732d41991"}}