{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:CWSNGRIRNX3LXJWYEVUQACV2RP","short_pith_number":"pith:CWSNGRIR","canonical_record":{"source":{"id":"2608.04275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2026-08-04T23:09:15Z","cross_cats_sorted":[],"title_canon_sha256":"feccb92fbfaebb258bce707aab5065eaee28b63998c9f7d9c6ad1e5ada7dba0d","abstract_canon_sha256":"1d32afcaae14358c3e574764ff92fed7aed2e7235730dc01beda21e6881b39bd"},"schema_version":"1.0"},"canonical_sha256":"15a4d345116df6bba6d82569000aba8bdc8266e797ea7615f9f404d298e5ab50","source":{"kind":"arxiv","id":"2608.04275","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04275","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04275v1","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04275","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"pith_short_12","alias_value":"CWSNGRIRNX3L","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"pith_short_16","alias_value":"CWSNGRIRNX3LXJWY","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"pith_short_8","alias_value":"CWSNGRIR","created_at":"2026-08-06T01:32:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:CWSNGRIRNX3LXJWYEVUQACV2RP","target":"record","payload":{"canonical_record":{"source":{"id":"2608.04275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2026-08-04T23:09:15Z","cross_cats_sorted":[],"title_canon_sha256":"feccb92fbfaebb258bce707aab5065eaee28b63998c9f7d9c6ad1e5ada7dba0d","abstract_canon_sha256":"1d32afcaae14358c3e574764ff92fed7aed2e7235730dc01beda21e6881b39bd"},"schema_version":"1.0"},"canonical_sha256":"15a4d345116df6bba6d82569000aba8bdc8266e797ea7615f9f404d298e5ab50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:32:07.027495Z","signature_b64":"CtR+rv3Kjxgo18a/Y04pVNH7Y6SlmA8ojUPul/rfYuIVHySLPHq2z1hj6lp1F7dCjTrzOVdmZD0opcfhqSZTBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15a4d345116df6bba6d82569000aba8bdc8266e797ea7615f9f404d298e5ab50","last_reissued_at":"2026-08-06T01:32:07.026104Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:32:07.026104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.04275","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":"2026-08-06T01:32:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q8lMQ0mwdlaHjVkgJk53B+iSzTOYlt4sSJCyBLHU678TZW0C5lKx5AxQtqRPsjZrGguuWpQZ+c8tFJDb8ZdnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:57:56.021299Z"},"content_sha256":"cf9b3e78f0048c22f4328fae5bc4d5ade41b1e1600ab490d57425f5cc1eb22b1","schema_version":"1.0","event_id":"sha256:cf9b3e78f0048c22f4328fae5bc4d5ade41b1e1600ab490d57425f5cc1eb22b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:CWSNGRIRNX3LXJWYEVUQACV2RP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic Dispatching for Time-Sensitive Blood Sample Collection and Delivery","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.OC","authors_text":"Aliaa Alnaggar, Arash Dehghan, Merve Bodur, Mucahit Cevik","submitted_at":"2026-08-04T23:09:15Z","abstract_excerpt":"Hospitals and diagnostic laboratories rely on couriers to collect blood samples from geographically dispersed collection centres and deliver them for analysis before their short viability windows expire; late deliveries force costly re-collection and can delay diagnosis. We study the real-time dispatching of such a courier fleet, in which sample requests arrive stochastically at the centres throughout the day and a central dispatcher must repeatedly decide which vehicles to send, which centres each should visit, and whether to collect urgent samples immediately or consolidate them into later t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04275","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/2608.04275/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":"2026-08-06T01:32:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u7epFSIGAkBcWBkaKbGU7J+zhgPSCpotpo5OcnTQF/y0WgWdaVbd+Ia7A/onsnpUqxgRvnQDi5946mbWvDn5AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:57:56.021835Z"},"content_sha256":"6fca8c9e8d7ed5867deb08dc630508e985f9327ced8ec3a6ac989f2a80c9cbd9","schema_version":"1.0","event_id":"sha256:6fca8c9e8d7ed5867deb08dc630508e985f9327ced8ec3a6ac989f2a80c9cbd9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CWSNGRIRNX3LXJWYEVUQACV2RP/bundle.json","state_url":"https://pith.science/pith/CWSNGRIRNX3LXJWYEVUQACV2RP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CWSNGRIRNX3LXJWYEVUQACV2RP/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":"2026-08-11T02:57:56Z","links":{"resolver":"https://pith.science/pith/CWSNGRIRNX3LXJWYEVUQACV2RP","bundle":"https://pith.science/pith/CWSNGRIRNX3LXJWYEVUQACV2RP/bundle.json","state":"https://pith.science/pith/CWSNGRIRNX3LXJWYEVUQACV2RP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CWSNGRIRNX3LXJWYEVUQACV2RP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CWSNGRIRNX3LXJWYEVUQACV2RP","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":"1d32afcaae14358c3e574764ff92fed7aed2e7235730dc01beda21e6881b39bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2026-08-04T23:09:15Z","title_canon_sha256":"feccb92fbfaebb258bce707aab5065eaee28b63998c9f7d9c6ad1e5ada7dba0d"},"schema_version":"1.0","source":{"id":"2608.04275","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04275","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04275v1","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04275","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"pith_short_12","alias_value":"CWSNGRIRNX3L","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"pith_short_16","alias_value":"CWSNGRIRNX3LXJWY","created_at":"2026-08-06T01:32:07Z"},{"alias_kind":"pith_short_8","alias_value":"CWSNGRIR","created_at":"2026-08-06T01:32:07Z"}],"graph_snapshots":[{"event_id":"sha256:6fca8c9e8d7ed5867deb08dc630508e985f9327ced8ec3a6ac989f2a80c9cbd9","target":"graph","created_at":"2026-08-06T01:32:07Z","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/2608.04275/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hospitals and diagnostic laboratories rely on couriers to collect blood samples from geographically dispersed collection centres and deliver them for analysis before their short viability windows expire; late deliveries force costly re-collection and can delay diagnosis. We study the real-time dispatching of such a courier fleet, in which sample requests arrive stochastically at the centres throughout the day and a central dispatcher must repeatedly decide which vehicles to send, which centres each should visit, and whether to collect urgent samples immediately or consolidate them into later t","authors_text":"Aliaa Alnaggar, Arash Dehghan, Merve Bodur, Mucahit Cevik","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2026-08-04T23:09:15Z","title":"Dynamic Dispatching for Time-Sensitive Blood Sample Collection and Delivery"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04275","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:cf9b3e78f0048c22f4328fae5bc4d5ade41b1e1600ab490d57425f5cc1eb22b1","target":"record","created_at":"2026-08-06T01:32:07Z","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":"1d32afcaae14358c3e574764ff92fed7aed2e7235730dc01beda21e6881b39bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2026-08-04T23:09:15Z","title_canon_sha256":"feccb92fbfaebb258bce707aab5065eaee28b63998c9f7d9c6ad1e5ada7dba0d"},"schema_version":"1.0","source":{"id":"2608.04275","kind":"arxiv","version":1}},"canonical_sha256":"15a4d345116df6bba6d82569000aba8bdc8266e797ea7615f9f404d298e5ab50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15a4d345116df6bba6d82569000aba8bdc8266e797ea7615f9f404d298e5ab50","first_computed_at":"2026-08-06T01:32:07.026104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-06T01:32:07.026104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CtR+rv3Kjxgo18a/Y04pVNH7Y6SlmA8ojUPul/rfYuIVHySLPHq2z1hj6lp1F7dCjTrzOVdmZD0opcfhqSZTBg==","signature_status":"signed_v1","signed_at":"2026-08-06T01:32:07.027495Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.04275","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf9b3e78f0048c22f4328fae5bc4d5ade41b1e1600ab490d57425f5cc1eb22b1","sha256:6fca8c9e8d7ed5867deb08dc630508e985f9327ced8ec3a6ac989f2a80c9cbd9"],"state_sha256":"9220b54966c4080711548a565685fbb08b3ca966d3b3cbfa1f02ae6d9201e62a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t/xNcMoZGB1KkVIYwUz4j09zZn4scOglsyLdeXlGXFQ8xJrWYhQyUY42sLjM59WnrU8bZjKL7Ure4MpAyN2hBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T02:57:56.026837Z","bundle_sha256":"24c09f97742f0c949cc3b9c96fe5998365eece547e3fd2a389cdb63055dbf795"}}