{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:WULCBGROERHSN3Q5Y73ADMFEYO","short_pith_number":"pith:WULCBGRO","schema_version":"1.0","canonical_sha256":"b516209a2e244f26ee1dc7f601b0a4c38de9117ee50511858c685b20834a0c4a","source":{"kind":"arxiv","id":"1901.06451","version":1},"attestation_state":"computed","paper":{"title":"A Reconfigurable High-Performance Optical Data Center Architecture","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Chong Liu, Maotong Xu, Suresh Subramaniam","submitted_at":"2019-01-19T01:31:39Z","abstract_excerpt":"Optical data center network architectures are becoming attractive because of their low energy consumption, large bandwidth, and low cabling complexity. In\\cite{Xu1605:PODCA}, an AWGR-based passive optical data center architecture (PODCA) is presented. Compared with other optical data center architectures, e.g., DOS \\cite{ye2010scalable}, Proteus \\cite{singla2010proteus}, and Petabit \\cite{xia2010petabit}, PODCA can save up to 90$\\%$ on power consumption and 88$\\%$ in cost. Also, average latency can be low as 9 $\\mu$s at close to 100$\\%$ throughput. However, PODCA is not reconfigurable and cann"},"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":"1901.06451","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.NI","submitted_at":"2019-01-19T01:31:39Z","cross_cats_sorted":[],"title_canon_sha256":"30746374518cb2d027196cbf397ae0f2a55beb1c7035d18fe2c0b3c59a3795c1","abstract_canon_sha256":"a73ccbe789b7bb6658ef26c4e6a78e3ce568b97c7bf0a4fdbf9b4885d682d4b6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:50.271067Z","signature_b64":"ZRAfNUudtnoezJOQuemc4ilXE9IVBwQohFHwFWPRwjOG0jn+HQmJTtlDizVD9sL/tkfmnw++b3vulu/0fsWhBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b516209a2e244f26ee1dc7f601b0a4c38de9117ee50511858c685b20834a0c4a","last_reissued_at":"2026-05-17T23:55:50.270451Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:50.270451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Reconfigurable High-Performance Optical Data Center Architecture","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Chong Liu, Maotong Xu, Suresh Subramaniam","submitted_at":"2019-01-19T01:31:39Z","abstract_excerpt":"Optical data center network architectures are becoming attractive because of their low energy consumption, large bandwidth, and low cabling complexity. In\\cite{Xu1605:PODCA}, an AWGR-based passive optical data center architecture (PODCA) is presented. Compared with other optical data center architectures, e.g., DOS \\cite{ye2010scalable}, Proteus \\cite{singla2010proteus}, and Petabit \\cite{xia2010petabit}, PODCA can save up to 90$\\%$ on power consumption and 88$\\%$ in cost. Also, average latency can be low as 9 $\\mu$s at close to 100$\\%$ throughput. However, PODCA is not reconfigurable and cann"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06451","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":"1901.06451","created_at":"2026-05-17T23:55:50.270532+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.06451v1","created_at":"2026-05-17T23:55:50.270532+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06451","created_at":"2026-05-17T23:55:50.270532+00:00"},{"alias_kind":"pith_short_12","alias_value":"WULCBGROERHS","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"WULCBGROERHSN3Q5","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"WULCBGRO","created_at":"2026-05-18T12:33:30.264802+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/WULCBGROERHSN3Q5Y73ADMFEYO","json":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO.json","graph_json":"https://pith.science/api/pith-number/WULCBGROERHSN3Q5Y73ADMFEYO/graph.json","events_json":"https://pith.science/api/pith-number/WULCBGROERHSN3Q5Y73ADMFEYO/events.json","paper":"https://pith.science/paper/WULCBGRO"},"agent_actions":{"view_html":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO","download_json":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO.json","view_paper":"https://pith.science/paper/WULCBGRO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.06451&json=true","fetch_graph":"https://pith.science/api/pith-number/WULCBGROERHSN3Q5Y73ADMFEYO/graph.json","fetch_events":"https://pith.science/api/pith-number/WULCBGROERHSN3Q5Y73ADMFEYO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO/action/storage_attestation","attest_author":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO/action/author_attestation","sign_citation":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO/action/citation_signature","submit_replication":"https://pith.science/pith/WULCBGROERHSN3Q5Y73ADMFEYO/action/replication_record"}},"created_at":"2026-05-17T23:55:50.270532+00:00","updated_at":"2026-05-17T23:55:50.270532+00:00"}