{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:MTTQ5F42TAUWLULP4VFUFBEVZZ","short_pith_number":"pith:MTTQ5F42","schema_version":"1.0","canonical_sha256":"64e70e979a982965d16fe54b428495ce4a3e3b83e6afa6bac357f4a6ee404c27","source":{"kind":"arxiv","id":"1012.0027","version":1},"attestation_state":"computed","paper":{"title":"Avoidance of multicast incapable branching nodes for multicast routing in WDM networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Bernard Cousin (IRISA), Fen Zhou (IRISA), Miklos Molnar (IRISA)","submitted_at":"2010-11-30T21:34:53Z","abstract_excerpt":"In this articlewestudy themulticast routing problem in all-opticalWDMnetworks under the spare light splitting constraint. To implement a multicast session, several light-trees may have to be used due to the limited fanouts of network nodes. Although many multicast routing algorithms have been proposed in order to reduce the total number of wavelength channels used (total cost) for a multicast session, the maximum number of wavelengths required in one fiber link (link stress) and the end-to-end delay are two parameters which are not always taken into consideration. It is known that the shortest"},"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":"1012.0027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-11-30T21:34:53Z","cross_cats_sorted":[],"title_canon_sha256":"48ca2c3939a5346c6231878569a1fa06850fae4a7023c5b1b22e20a58ee47e28","abstract_canon_sha256":"bf5a593de31a6d03caf1c0fbeb1ddcc70d0860a20bc2281c32e9040caff99cfa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:19.049732Z","signature_b64":"Pwq36HbTu0qyrpHMmJKruXJlNTK92LEqCvAXQIm0r/pTIkPBSSBjzP00SSxrS+/VthYjehllldSUPoekXxS6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64e70e979a982965d16fe54b428495ce4a3e3b83e6afa6bac357f4a6ee404c27","last_reissued_at":"2026-05-18T04:34:19.049247Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:19.049247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Avoidance of multicast incapable branching nodes for multicast routing in WDM networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Bernard Cousin (IRISA), Fen Zhou (IRISA), Miklos Molnar (IRISA)","submitted_at":"2010-11-30T21:34:53Z","abstract_excerpt":"In this articlewestudy themulticast routing problem in all-opticalWDMnetworks under the spare light splitting constraint. To implement a multicast session, several light-trees may have to be used due to the limited fanouts of network nodes. Although many multicast routing algorithms have been proposed in order to reduce the total number of wavelength channels used (total cost) for a multicast session, the maximum number of wavelengths required in one fiber link (link stress) and the end-to-end delay are two parameters which are not always taken into consideration. It is known that the shortest"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.0027","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":"1012.0027","created_at":"2026-05-18T04:34:19.049334+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.0027v1","created_at":"2026-05-18T04:34:19.049334+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.0027","created_at":"2026-05-18T04:34:19.049334+00:00"},{"alias_kind":"pith_short_12","alias_value":"MTTQ5F42TAUW","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"MTTQ5F42TAUWLULP","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"MTTQ5F42","created_at":"2026-05-18T12:26:10.704358+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/MTTQ5F42TAUWLULP4VFUFBEVZZ","json":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ.json","graph_json":"https://pith.science/api/pith-number/MTTQ5F42TAUWLULP4VFUFBEVZZ/graph.json","events_json":"https://pith.science/api/pith-number/MTTQ5F42TAUWLULP4VFUFBEVZZ/events.json","paper":"https://pith.science/paper/MTTQ5F42"},"agent_actions":{"view_html":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ","download_json":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ.json","view_paper":"https://pith.science/paper/MTTQ5F42","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.0027&json=true","fetch_graph":"https://pith.science/api/pith-number/MTTQ5F42TAUWLULP4VFUFBEVZZ/graph.json","fetch_events":"https://pith.science/api/pith-number/MTTQ5F42TAUWLULP4VFUFBEVZZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ/action/storage_attestation","attest_author":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ/action/author_attestation","sign_citation":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ/action/citation_signature","submit_replication":"https://pith.science/pith/MTTQ5F42TAUWLULP4VFUFBEVZZ/action/replication_record"}},"created_at":"2026-05-18T04:34:19.049334+00:00","updated_at":"2026-05-18T04:34:19.049334+00:00"}