{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:CKC23JJVJQLTZ5FYF5UUZM5TFR","short_pith_number":"pith:CKC23JJV","canonical_record":{"source":{"id":"2404.00543","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"math.OC","submitted_at":"2024-03-31T03:14:55Z","cross_cats_sorted":["cs.SY","eess.SY"],"title_canon_sha256":"6b0047f6a3867cd67931552f1e7b13b63fd783684371e0a2a035dfe2dcef76c7","abstract_canon_sha256":"3738104f53a3a8cd0804018462208a829a1f5c952162d5ca617d7c0318630f28"},"schema_version":"1.0"},"canonical_sha256":"1285ada5354c173cf4b82f694cb3b32c6bba5aefb0d7f8ea072bdb39099a51fd","source":{"kind":"arxiv","id":"2404.00543","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.00543","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"arxiv_version","alias_value":"2404.00543v2","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.00543","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"pith_short_12","alias_value":"CKC23JJVJQLT","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"pith_short_16","alias_value":"CKC23JJVJQLTZ5FY","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"pith_short_8","alias_value":"CKC23JJV","created_at":"2026-07-05T11:52:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:CKC23JJVJQLTZ5FYF5UUZM5TFR","target":"record","payload":{"canonical_record":{"source":{"id":"2404.00543","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"math.OC","submitted_at":"2024-03-31T03:14:55Z","cross_cats_sorted":["cs.SY","eess.SY"],"title_canon_sha256":"6b0047f6a3867cd67931552f1e7b13b63fd783684371e0a2a035dfe2dcef76c7","abstract_canon_sha256":"3738104f53a3a8cd0804018462208a829a1f5c952162d5ca617d7c0318630f28"},"schema_version":"1.0"},"canonical_sha256":"1285ada5354c173cf4b82f694cb3b32c6bba5aefb0d7f8ea072bdb39099a51fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:52:12.757285Z","signature_b64":"WdNfhTX3Az/K9FWoC01/akwWp/PoHB6mbVcOd1f7PThFHKmjrueajUiMlu35a2tW1Hd/815l5E3zLKcq7r3OBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1285ada5354c173cf4b82f694cb3b32c6bba5aefb0d7f8ea072bdb39099a51fd","last_reissued_at":"2026-07-05T11:52:12.756833Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:52:12.756833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.00543","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:52:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oHkxiE/vo8qDTvLc0qqyunPbspPGpL4HFmCqFRbjKh3ncZCe28Z+YdULumTsGogti0V7n9+tTEX5xJv4a2jWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:42:04.933191Z"},"content_sha256":"480a03b421a963f6d5a702a4079291812f83ec5e1214c70e3e08288edebdc096","schema_version":"1.0","event_id":"sha256:480a03b421a963f6d5a702a4079291812f83ec5e1214c70e3e08288edebdc096"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:CKC23JJVJQLTZ5FYF5UUZM5TFR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic Transfer Policies for Parallel Queues","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.SY","eess.SY"],"primary_cat":"math.OC","authors_text":"Jangwon Park, Timothy C. Y. Chan, Vahid Sarhangian","submitted_at":"2024-03-31T03:14:55Z","abstract_excerpt":"We consider the problem of load balancing in parallel queues by transferring customers between them at discrete points in time. Holding costs accrue as customers wait in the queue, while transfer decisions incur both fixed (setup) costs and variable costs that increase with the number of transfers and travel distance, and vary by transfer direction. Our work is primarily motivated by inter-facility patient transfers to address imbalanced congestion and inequity in access to care during surges in hospital demand. Analyzing an associated fluid control problem, we show that under general assumpti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.00543","kind":"arxiv","version":2},"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/2404.00543/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":"2026-07-05T11:52:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JgqXL+tPVfp/xxdyOSEmlThrktnAa+unxOjy6oX7gkdn5m2h1vuAT2jv2nYrGpNgI5uYijmAKuiTIB5/zwhaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:42:04.934079Z"},"content_sha256":"e5fc904b0c88154e3f0b8e2b808c80a982526e26ccaf21fab3c9a55d42b88538","schema_version":"1.0","event_id":"sha256:e5fc904b0c88154e3f0b8e2b808c80a982526e26ccaf21fab3c9a55d42b88538"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CKC23JJVJQLTZ5FYF5UUZM5TFR/bundle.json","state_url":"https://pith.science/pith/CKC23JJVJQLTZ5FYF5UUZM5TFR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CKC23JJVJQLTZ5FYF5UUZM5TFR/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":"2026-08-03T16:42:04Z","links":{"resolver":"https://pith.science/pith/CKC23JJVJQLTZ5FYF5UUZM5TFR","bundle":"https://pith.science/pith/CKC23JJVJQLTZ5FYF5UUZM5TFR/bundle.json","state":"https://pith.science/pith/CKC23JJVJQLTZ5FYF5UUZM5TFR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CKC23JJVJQLTZ5FYF5UUZM5TFR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:CKC23JJVJQLTZ5FYF5UUZM5TFR","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":"3738104f53a3a8cd0804018462208a829a1f5c952162d5ca617d7c0318630f28","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"math.OC","submitted_at":"2024-03-31T03:14:55Z","title_canon_sha256":"6b0047f6a3867cd67931552f1e7b13b63fd783684371e0a2a035dfe2dcef76c7"},"schema_version":"1.0","source":{"id":"2404.00543","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.00543","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"arxiv_version","alias_value":"2404.00543v2","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.00543","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"pith_short_12","alias_value":"CKC23JJVJQLT","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"pith_short_16","alias_value":"CKC23JJVJQLTZ5FY","created_at":"2026-07-05T11:52:12Z"},{"alias_kind":"pith_short_8","alias_value":"CKC23JJV","created_at":"2026-07-05T11:52:12Z"}],"graph_snapshots":[{"event_id":"sha256:e5fc904b0c88154e3f0b8e2b808c80a982526e26ccaf21fab3c9a55d42b88538","target":"graph","created_at":"2026-07-05T11:52:12Z","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/2404.00543/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the problem of load balancing in parallel queues by transferring customers between them at discrete points in time. Holding costs accrue as customers wait in the queue, while transfer decisions incur both fixed (setup) costs and variable costs that increase with the number of transfers and travel distance, and vary by transfer direction. Our work is primarily motivated by inter-facility patient transfers to address imbalanced congestion and inequity in access to care during surges in hospital demand. Analyzing an associated fluid control problem, we show that under general assumpti","authors_text":"Jangwon Park, Timothy C. Y. Chan, Vahid Sarhangian","cross_cats":["cs.SY","eess.SY"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"math.OC","submitted_at":"2024-03-31T03:14:55Z","title":"Dynamic Transfer Policies for Parallel Queues"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.00543","kind":"arxiv","version":2},"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":"sha256:480a03b421a963f6d5a702a4079291812f83ec5e1214c70e3e08288edebdc096","target":"record","created_at":"2026-07-05T11:52:12Z","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":"3738104f53a3a8cd0804018462208a829a1f5c952162d5ca617d7c0318630f28","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"math.OC","submitted_at":"2024-03-31T03:14:55Z","title_canon_sha256":"6b0047f6a3867cd67931552f1e7b13b63fd783684371e0a2a035dfe2dcef76c7"},"schema_version":"1.0","source":{"id":"2404.00543","kind":"arxiv","version":2}},"canonical_sha256":"1285ada5354c173cf4b82f694cb3b32c6bba5aefb0d7f8ea072bdb39099a51fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1285ada5354c173cf4b82f694cb3b32c6bba5aefb0d7f8ea072bdb39099a51fd","first_computed_at":"2026-07-05T11:52:12.756833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:52:12.756833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WdNfhTX3Az/K9FWoC01/akwWp/PoHB6mbVcOd1f7PThFHKmjrueajUiMlu35a2tW1Hd/815l5E3zLKcq7r3OBg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:52:12.757285Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.00543","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:480a03b421a963f6d5a702a4079291812f83ec5e1214c70e3e08288edebdc096","sha256:e5fc904b0c88154e3f0b8e2b808c80a982526e26ccaf21fab3c9a55d42b88538"],"state_sha256":"a6438fc80e2b8b52324300db6be7c7db588032688a523c0d6787eb1172e52750"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+WFxMGxVXgJ8cZALJdWMtooC5F5x5BAsyIPLEK/Vsd4c4+ZyaGD10jLz3Zw2ypktbAMmOWEn5SJiaqIngEAqCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:42:04.937752Z","bundle_sha256":"c525e109f09eabfd7b56eb8b5afc27b84ce92d1379e8a30bf204860a59dd4e02"}}