{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:PBWZQIUE2U54M2RFBJOUVXR2HW","short_pith_number":"pith:PBWZQIUE","schema_version":"1.0","canonical_sha256":"786d982284d53bc66a250a5d4ade3a3db44e0e9a2dfa7e6d64d8912cc46d7204","source":{"kind":"arxiv","id":"1902.04004","version":1},"attestation_state":"computed","paper":{"title":"A 1-approximation algorithm for energy-efficient TDM-PON guaranteeing SLA of up-stream and down-stream traffic","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Dibbendu Roy, Goutam Das, Sourav Dutta","submitted_at":"2019-02-11T17:09:44Z","abstract_excerpt":"Economical and environmental concerns necessitate research on designing energy-efficient optical access network especially Ethernet Passive Optical Network (EPON) which is one of the most widely accepted and deployed last-mile access network. In this paper, our primary focus is on designing a protocol for saving energy at Optical Network Units (ONUs) while satisfying the Service Label Agreement (SLA). The SLA of both Up-Stream (US) and Down-Stream (DS) traffic can be satisfied only if the EPON network can react to their instantaneous load change during sleep periods of ONUs and to the best of "},"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":"1902.04004","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-11T17:09:44Z","cross_cats_sorted":[],"title_canon_sha256":"9e4d58af047731465e54ee5a733bab4f2acd24010a0c6619623e332c3adfb946","abstract_canon_sha256":"6c6375b038b2be01555b3f66214249e8251160ef6ed8d1378a1b2d2bf47ac0ab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:17.386863Z","signature_b64":"dOF7zb3NOB1oYsrK7Io9+8nv1WhQQBqL+EG55wEUDOLfXFQLw/kGMSUFljnQOIKPOrUPoxxkVdTQ2c3nq7kuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"786d982284d53bc66a250a5d4ade3a3db44e0e9a2dfa7e6d64d8912cc46d7204","last_reissued_at":"2026-05-17T23:54:17.386335Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:17.386335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A 1-approximation algorithm for energy-efficient TDM-PON guaranteeing SLA of up-stream and down-stream traffic","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Dibbendu Roy, Goutam Das, Sourav Dutta","submitted_at":"2019-02-11T17:09:44Z","abstract_excerpt":"Economical and environmental concerns necessitate research on designing energy-efficient optical access network especially Ethernet Passive Optical Network (EPON) which is one of the most widely accepted and deployed last-mile access network. In this paper, our primary focus is on designing a protocol for saving energy at Optical Network Units (ONUs) while satisfying the Service Label Agreement (SLA). The SLA of both Up-Stream (US) and Down-Stream (DS) traffic can be satisfied only if the EPON network can react to their instantaneous load change during sleep periods of ONUs and to the best of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.04004","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":"1902.04004","created_at":"2026-05-17T23:54:17.386414+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.04004v1","created_at":"2026-05-17T23:54:17.386414+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.04004","created_at":"2026-05-17T23:54:17.386414+00:00"},{"alias_kind":"pith_short_12","alias_value":"PBWZQIUE2U54","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"PBWZQIUE2U54M2RF","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"PBWZQIUE","created_at":"2026-05-18T12:33:24.271573+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/PBWZQIUE2U54M2RFBJOUVXR2HW","json":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW.json","graph_json":"https://pith.science/api/pith-number/PBWZQIUE2U54M2RFBJOUVXR2HW/graph.json","events_json":"https://pith.science/api/pith-number/PBWZQIUE2U54M2RFBJOUVXR2HW/events.json","paper":"https://pith.science/paper/PBWZQIUE"},"agent_actions":{"view_html":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW","download_json":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW.json","view_paper":"https://pith.science/paper/PBWZQIUE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.04004&json=true","fetch_graph":"https://pith.science/api/pith-number/PBWZQIUE2U54M2RFBJOUVXR2HW/graph.json","fetch_events":"https://pith.science/api/pith-number/PBWZQIUE2U54M2RFBJOUVXR2HW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW/action/storage_attestation","attest_author":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW/action/author_attestation","sign_citation":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW/action/citation_signature","submit_replication":"https://pith.science/pith/PBWZQIUE2U54M2RFBJOUVXR2HW/action/replication_record"}},"created_at":"2026-05-17T23:54:17.386414+00:00","updated_at":"2026-05-17T23:54:17.386414+00:00"}