{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:OGHAT7GY2MHQKAD7XFBJL67NG6","short_pith_number":"pith:OGHAT7GY","canonical_record":{"source":{"id":"1011.6030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-11-28T11:04:01Z","cross_cats_sorted":[],"title_canon_sha256":"0fbaef8bf5ce8ffada2d4a6ff26b12ea06b48418bf0307ffd2da659019c76ec1","abstract_canon_sha256":"b477d2c62476c8a36b52fd792b864e854b1fea8f448277c900f4fda062aa2c1f"},"schema_version":"1.0"},"canonical_sha256":"718e09fcd8d30f05007fb94295fbed37b7e0ded0397dc4b538b9db5ca30b3586","source":{"kind":"arxiv","id":"1011.6030","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6030","created_at":"2026-05-18T04:34:36Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6030v1","created_at":"2026-05-18T04:34:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6030","created_at":"2026-05-18T04:34:36Z"},{"alias_kind":"pith_short_12","alias_value":"OGHAT7GY2MHQ","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OGHAT7GY2MHQKAD7","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OGHAT7GY","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:OGHAT7GY2MHQKAD7XFBJL67NG6","target":"record","payload":{"canonical_record":{"source":{"id":"1011.6030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-11-28T11:04:01Z","cross_cats_sorted":[],"title_canon_sha256":"0fbaef8bf5ce8ffada2d4a6ff26b12ea06b48418bf0307ffd2da659019c76ec1","abstract_canon_sha256":"b477d2c62476c8a36b52fd792b864e854b1fea8f448277c900f4fda062aa2c1f"},"schema_version":"1.0"},"canonical_sha256":"718e09fcd8d30f05007fb94295fbed37b7e0ded0397dc4b538b9db5ca30b3586","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:36.542885Z","signature_b64":"4kIIi+kdYSNv5kmQ3+EpNNS4rr4WK4B4SeWi7mrcy7eAGXS2UyigVPRYuEHo5HFZi1/I0+/SH2Txahm/CqbJAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"718e09fcd8d30f05007fb94295fbed37b7e0ded0397dc4b538b9db5ca30b3586","last_reissued_at":"2026-05-18T04:34:36.542398Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:36.542398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.6030","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":"2026-05-18T04:34:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u5vnjUAWBGqC8HeYN1NC1QxfBRnOuKJrZTzajkgg2mGtxtY1XFxVcJg9KSx2O6N4BnHp9TWSr5HFt4fXKIYNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:45:25.735646Z"},"content_sha256":"0b4de4de7cef3f96f03f07ac9cac3d952dbd83746b877c81294fbd4a4e19880a","schema_version":"1.0","event_id":"sha256:0b4de4de7cef3f96f03f07ac9cac3d952dbd83746b877c81294fbd4a4e19880a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:OGHAT7GY2MHQKAD7XFBJL67NG6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical Multicast Routing Under Light Splitter Constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Bernard Cousin (IRISA), Shadi Jawhar (IRISA)","submitted_at":"2010-11-28T11:04:01Z","abstract_excerpt":"During the past few years, we have observed the emergence of new applications that use multicast transmission. For a multicast routing algorithm to be applicable in optical networks, it must route data only to group members, optimize and maintain loop-free routes, and concentrate the routes on a subset of network links. For an all-optical switch to play the role of a branching router, it must be equipped with a light splitter. Light splitters are expensive equipments and therefore it will be very expensive to implement splitters on all optical switches. Optical light splitters are only impleme"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6030","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:34:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DibPX9Lv4IXmhdl6hwJD4krA3MIiguSQyWqqBgG6uQTNreYHA7lyd+JZGMv59qRfzEGUv1mdlJGXtKHDV06YBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:45:25.735991Z"},"content_sha256":"94fe782ea1ede1338e9739798af7eb0a9c08706192338a1989f63d589395413d","schema_version":"1.0","event_id":"sha256:94fe782ea1ede1338e9739798af7eb0a9c08706192338a1989f63d589395413d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OGHAT7GY2MHQKAD7XFBJL67NG6/bundle.json","state_url":"https://pith.science/pith/OGHAT7GY2MHQKAD7XFBJL67NG6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OGHAT7GY2MHQKAD7XFBJL67NG6/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":"2026-07-02T21:45:25Z","links":{"resolver":"https://pith.science/pith/OGHAT7GY2MHQKAD7XFBJL67NG6","bundle":"https://pith.science/pith/OGHAT7GY2MHQKAD7XFBJL67NG6/bundle.json","state":"https://pith.science/pith/OGHAT7GY2MHQKAD7XFBJL67NG6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OGHAT7GY2MHQKAD7XFBJL67NG6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:OGHAT7GY2MHQKAD7XFBJL67NG6","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":"b477d2c62476c8a36b52fd792b864e854b1fea8f448277c900f4fda062aa2c1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-11-28T11:04:01Z","title_canon_sha256":"0fbaef8bf5ce8ffada2d4a6ff26b12ea06b48418bf0307ffd2da659019c76ec1"},"schema_version":"1.0","source":{"id":"1011.6030","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6030","created_at":"2026-05-18T04:34:36Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6030v1","created_at":"2026-05-18T04:34:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6030","created_at":"2026-05-18T04:34:36Z"},{"alias_kind":"pith_short_12","alias_value":"OGHAT7GY2MHQ","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OGHAT7GY2MHQKAD7","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OGHAT7GY","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:94fe782ea1ede1338e9739798af7eb0a9c08706192338a1989f63d589395413d","target":"graph","created_at":"2026-05-18T04:34:36Z","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"},"paper":{"abstract_excerpt":"During the past few years, we have observed the emergence of new applications that use multicast transmission. For a multicast routing algorithm to be applicable in optical networks, it must route data only to group members, optimize and maintain loop-free routes, and concentrate the routes on a subset of network links. For an all-optical switch to play the role of a branching router, it must be equipped with a light splitter. Light splitters are expensive equipments and therefore it will be very expensive to implement splitters on all optical switches. Optical light splitters are only impleme","authors_text":"Bernard Cousin (IRISA), Shadi Jawhar (IRISA)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-11-28T11:04:01Z","title":"Optical Multicast Routing Under Light Splitter Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6030","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":"sha256:0b4de4de7cef3f96f03f07ac9cac3d952dbd83746b877c81294fbd4a4e19880a","target":"record","created_at":"2026-05-18T04:34:36Z","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":"b477d2c62476c8a36b52fd792b864e854b1fea8f448277c900f4fda062aa2c1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-11-28T11:04:01Z","title_canon_sha256":"0fbaef8bf5ce8ffada2d4a6ff26b12ea06b48418bf0307ffd2da659019c76ec1"},"schema_version":"1.0","source":{"id":"1011.6030","kind":"arxiv","version":1}},"canonical_sha256":"718e09fcd8d30f05007fb94295fbed37b7e0ded0397dc4b538b9db5ca30b3586","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"718e09fcd8d30f05007fb94295fbed37b7e0ded0397dc4b538b9db5ca30b3586","first_computed_at":"2026-05-18T04:34:36.542398Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:34:36.542398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4kIIi+kdYSNv5kmQ3+EpNNS4rr4WK4B4SeWi7mrcy7eAGXS2UyigVPRYuEHo5HFZi1/I0+/SH2Txahm/CqbJAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:34:36.542885Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.6030","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b4de4de7cef3f96f03f07ac9cac3d952dbd83746b877c81294fbd4a4e19880a","sha256:94fe782ea1ede1338e9739798af7eb0a9c08706192338a1989f63d589395413d"],"state_sha256":"236a26808b872dfec529b5fdd8338186a406019154da414b17352e43369cf64f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8hp4VLZ+f1QawtIRb/Wn5XVPH/S+q/iE5PAiOWFMVyo56cMyEieu+3oqu5qulwT21i+wqnfhxGPdQIe4ZL6tBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T21:45:25.737873Z","bundle_sha256":"1c367acbb70945150bf5f279f270520c37f305da383271c435e92c47b0a849a7"}}