{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4J7DJWZYH4GIGUIPANXMYCZXLL","short_pith_number":"pith:4J7DJWZY","canonical_record":{"source":{"id":"1806.08274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-21T14:50:15Z","cross_cats_sorted":[],"title_canon_sha256":"264adc47fde98d951cdcebd681b36029b120de2271bc23ec75c1db1c1d56d997","abstract_canon_sha256":"e0fb3a2f8f84bac3eeaefdfc4cb14fb47ad49eae1542fe862ffbfa0f5bbd3da4"},"schema_version":"1.0"},"canonical_sha256":"e27e34db383f0c83510f036ecc0b375ad940da2c14c8d69262239855435a8b36","source":{"kind":"arxiv","id":"1806.08274","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08274","created_at":"2026-05-18T00:12:41Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08274v1","created_at":"2026-05-18T00:12:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08274","created_at":"2026-05-18T00:12:41Z"},{"alias_kind":"pith_short_12","alias_value":"4J7DJWZYH4GI","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4J7DJWZYH4GIGUIP","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4J7DJWZY","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4J7DJWZYH4GIGUIPANXMYCZXLL","target":"record","payload":{"canonical_record":{"source":{"id":"1806.08274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-21T14:50:15Z","cross_cats_sorted":[],"title_canon_sha256":"264adc47fde98d951cdcebd681b36029b120de2271bc23ec75c1db1c1d56d997","abstract_canon_sha256":"e0fb3a2f8f84bac3eeaefdfc4cb14fb47ad49eae1542fe862ffbfa0f5bbd3da4"},"schema_version":"1.0"},"canonical_sha256":"e27e34db383f0c83510f036ecc0b375ad940da2c14c8d69262239855435a8b36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:41.541202Z","signature_b64":"KWKXqAWqzHkqMmApa9nLXqBENUbqRrGVOZ9qNVU467s5sbleHHgcf+qCeI5uWJIfZA8GXLLpT/1ZW0uti9qMBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e27e34db383f0c83510f036ecc0b375ad940da2c14c8d69262239855435a8b36","last_reissued_at":"2026-05-18T00:12:41.540467Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:41.540467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.08274","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":"2026-05-18T00:12:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z8W2Pb1qokPUhFJuYnxUjNtfeX1XLtH57VEUcIZXdKnCjJ3fa7M+BBK08oKnOeQv6c4nKDiC/omkXM1WpIAICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:58:51.679467Z"},"content_sha256":"b095fa067d2a3e7b40d61021d75133a9827341596f11acbb6e968d68454e21da","schema_version":"1.0","event_id":"sha256:b095fa067d2a3e7b40d61021d75133a9827341596f11acbb6e968d68454e21da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4J7DJWZYH4GIGUIPANXMYCZXLL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact Zone Analysis of p-Cycle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Pallavi Athe, Yatindra Nath Singh","submitted_at":"2018-06-21T14:50:15Z","abstract_excerpt":"Pre-configured cycle (p-Cycle) method has been studied in literature extensively for optical network protection. A large p-cycle has high capacity efficiency and can protect a large number of nodes against the single link failure scenarios. All the links protected by such a p-cycle lose protection when the p-cycle is consumed to restore traffic after a failure. As the probability of multiple link failure is high for a large network, it also means that with higher probability, on the second failure, protection may not be there for the failed link. Thus, if the number of links protected by a p-c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08274","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":"2026-05-18T00:12:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GQGyjjjClFo+vGU5lAJsm+IsqCtJdABnf6KtsPqkxd7fpMhrzd41n2g9itBi7sgVDX4TKT5hsOEXpv9BLsxpDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:58:51.679811Z"},"content_sha256":"ff3e8bacbc4be4ad42e772c3f9a9742b5fb3a8f0261c344a2b50f08f6f00ed4b","schema_version":"1.0","event_id":"sha256:ff3e8bacbc4be4ad42e772c3f9a9742b5fb3a8f0261c344a2b50f08f6f00ed4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4J7DJWZYH4GIGUIPANXMYCZXLL/bundle.json","state_url":"https://pith.science/pith/4J7DJWZYH4GIGUIPANXMYCZXLL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4J7DJWZYH4GIGUIPANXMYCZXLL/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":"2026-05-28T14:58:51Z","links":{"resolver":"https://pith.science/pith/4J7DJWZYH4GIGUIPANXMYCZXLL","bundle":"https://pith.science/pith/4J7DJWZYH4GIGUIPANXMYCZXLL/bundle.json","state":"https://pith.science/pith/4J7DJWZYH4GIGUIPANXMYCZXLL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4J7DJWZYH4GIGUIPANXMYCZXLL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4J7DJWZYH4GIGUIPANXMYCZXLL","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":"e0fb3a2f8f84bac3eeaefdfc4cb14fb47ad49eae1542fe862ffbfa0f5bbd3da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-21T14:50:15Z","title_canon_sha256":"264adc47fde98d951cdcebd681b36029b120de2271bc23ec75c1db1c1d56d997"},"schema_version":"1.0","source":{"id":"1806.08274","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08274","created_at":"2026-05-18T00:12:41Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08274v1","created_at":"2026-05-18T00:12:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08274","created_at":"2026-05-18T00:12:41Z"},{"alias_kind":"pith_short_12","alias_value":"4J7DJWZYH4GI","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4J7DJWZYH4GIGUIP","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4J7DJWZY","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:ff3e8bacbc4be4ad42e772c3f9a9742b5fb3a8f0261c344a2b50f08f6f00ed4b","target":"graph","created_at":"2026-05-18T00:12:41Z","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":"Pre-configured cycle (p-Cycle) method has been studied in literature extensively for optical network protection. A large p-cycle has high capacity efficiency and can protect a large number of nodes against the single link failure scenarios. All the links protected by such a p-cycle lose protection when the p-cycle is consumed to restore traffic after a failure. As the probability of multiple link failure is high for a large network, it also means that with higher probability, on the second failure, protection may not be there for the failed link. Thus, if the number of links protected by a p-c","authors_text":"Pallavi Athe, Yatindra Nath Singh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-21T14:50:15Z","title":"Impact Zone Analysis of p-Cycle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08274","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:b095fa067d2a3e7b40d61021d75133a9827341596f11acbb6e968d68454e21da","target":"record","created_at":"2026-05-18T00:12:41Z","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":"e0fb3a2f8f84bac3eeaefdfc4cb14fb47ad49eae1542fe862ffbfa0f5bbd3da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-21T14:50:15Z","title_canon_sha256":"264adc47fde98d951cdcebd681b36029b120de2271bc23ec75c1db1c1d56d997"},"schema_version":"1.0","source":{"id":"1806.08274","kind":"arxiv","version":1}},"canonical_sha256":"e27e34db383f0c83510f036ecc0b375ad940da2c14c8d69262239855435a8b36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e27e34db383f0c83510f036ecc0b375ad940da2c14c8d69262239855435a8b36","first_computed_at":"2026-05-18T00:12:41.540467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:41.540467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KWKXqAWqzHkqMmApa9nLXqBENUbqRrGVOZ9qNVU467s5sbleHHgcf+qCeI5uWJIfZA8GXLLpT/1ZW0uti9qMBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:41.541202Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.08274","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b095fa067d2a3e7b40d61021d75133a9827341596f11acbb6e968d68454e21da","sha256:ff3e8bacbc4be4ad42e772c3f9a9742b5fb3a8f0261c344a2b50f08f6f00ed4b"],"state_sha256":"175232399a7b99c64b4013bbe76905ec8409e3a5e162337e848040ad4201b6c4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vkm25S42qro1af361WGI4eKHoyrMarILpdl7CoybahSNcgDEWEYElgpyyr4WBAetuYbXI3nuXD9Cx3LjtiSvBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:58:51.681690Z","bundle_sha256":"59a0fbd6767dbbb7bb13bd59a5354211f535ba8bd9e0cc3dbd3d5ac514147d11"}}