{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MYW5M3TJIWQFPYSF7WGEI7UTZG","short_pith_number":"pith:MYW5M3TJ","canonical_record":{"source":{"id":"2408.07478","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2024-08-14T11:48:09Z","cross_cats_sorted":[],"title_canon_sha256":"9777cc39ff1dd53d3a767abd28e33f71900727128a406792cfa24b5f8dacfe43","abstract_canon_sha256":"d3e5b3a8ffca55ba1d4d0b3ce39b07a233386093c4927c172d6f3fa19c59f57d"},"schema_version":"1.0"},"canonical_sha256":"662dd66e6945a057e245fd8c447e93c9a7e8f7d2cc870ca5d137de1a901e598a","source":{"kind":"arxiv","id":"2408.07478","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.07478","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"arxiv_version","alias_value":"2408.07478v1","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.07478","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"pith_short_12","alias_value":"MYW5M3TJIWQF","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"pith_short_16","alias_value":"MYW5M3TJIWQFPYSF","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"pith_short_8","alias_value":"MYW5M3TJ","created_at":"2026-07-05T08:55:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MYW5M3TJIWQFPYSF7WGEI7UTZG","target":"record","payload":{"canonical_record":{"source":{"id":"2408.07478","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2024-08-14T11:48:09Z","cross_cats_sorted":[],"title_canon_sha256":"9777cc39ff1dd53d3a767abd28e33f71900727128a406792cfa24b5f8dacfe43","abstract_canon_sha256":"d3e5b3a8ffca55ba1d4d0b3ce39b07a233386093c4927c172d6f3fa19c59f57d"},"schema_version":"1.0"},"canonical_sha256":"662dd66e6945a057e245fd8c447e93c9a7e8f7d2cc870ca5d137de1a901e598a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:55:25.921906Z","signature_b64":"caOTlJmgfVec0FPUiHS4ciBmstxyYjHi//4MkhNxSPecnOkke0p/pj1l1tKjGF9ECrDhjKB3M2TEuYd3jLW+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"662dd66e6945a057e245fd8c447e93c9a7e8f7d2cc870ca5d137de1a901e598a","last_reissued_at":"2026-07-05T08:55:25.921506Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:55:25.921506Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.07478","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":"2026-07-05T08:55:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qchiomEe0fuUHcpYOzP3kylGWeCMfTyLOPX+ociki3rH8cBsVYboPxQeKVryhQT+k85cSnHyevtNroXmPc7+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:00:17.721630Z"},"content_sha256":"6176ddef93315a6f4855dfdc41eaccf1622f0163b51c3c0972ff074d43717f2a","schema_version":"1.0","event_id":"sha256:6176ddef93315a6f4855dfdc41eaccf1622f0163b51c3c0972ff074d43717f2a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MYW5M3TJIWQFPYSF7WGEI7UTZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical Networks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Anjali Sharma, Baljinder Singh Heera, Kumari Akansha, Pallavi Athe, Varsha Lohani, Yatindra Nath Singh","submitted_at":"2024-08-14T11:48:09Z","abstract_excerpt":"Optical networks play a crucial role in todays digital topography, enabling the high-speed and reliable transmission of vast amounts of data over optical fibre for long distances. This paper provides an overview of optical networks, especially emphasising on their evolution with time."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.07478","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2408.07478/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:55:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8PKRdN9ab08Jl8G1cWXIyFa/i9tIlLyWpShLyUqpBsQHOVpkNVeFBIDDq5BW4S8YYQy/OW23ev/KkbdrLFkSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:00:17.722033Z"},"content_sha256":"24472dbad53038f045072fff27fdf765233657f6d1c219e65c2287e7d94d55d4","schema_version":"1.0","event_id":"sha256:24472dbad53038f045072fff27fdf765233657f6d1c219e65c2287e7d94d55d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MYW5M3TJIWQFPYSF7WGEI7UTZG/bundle.json","state_url":"https://pith.science/pith/MYW5M3TJIWQFPYSF7WGEI7UTZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MYW5M3TJIWQFPYSF7WGEI7UTZG/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":"2026-07-07T06:00:17Z","links":{"resolver":"https://pith.science/pith/MYW5M3TJIWQFPYSF7WGEI7UTZG","bundle":"https://pith.science/pith/MYW5M3TJIWQFPYSF7WGEI7UTZG/bundle.json","state":"https://pith.science/pith/MYW5M3TJIWQFPYSF7WGEI7UTZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MYW5M3TJIWQFPYSF7WGEI7UTZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MYW5M3TJIWQFPYSF7WGEI7UTZG","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":"d3e5b3a8ffca55ba1d4d0b3ce39b07a233386093c4927c172d6f3fa19c59f57d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2024-08-14T11:48:09Z","title_canon_sha256":"9777cc39ff1dd53d3a767abd28e33f71900727128a406792cfa24b5f8dacfe43"},"schema_version":"1.0","source":{"id":"2408.07478","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.07478","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"arxiv_version","alias_value":"2408.07478v1","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.07478","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"pith_short_12","alias_value":"MYW5M3TJIWQF","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"pith_short_16","alias_value":"MYW5M3TJIWQFPYSF","created_at":"2026-07-05T08:55:25Z"},{"alias_kind":"pith_short_8","alias_value":"MYW5M3TJ","created_at":"2026-07-05T08:55:25Z"}],"graph_snapshots":[{"event_id":"sha256:24472dbad53038f045072fff27fdf765233657f6d1c219e65c2287e7d94d55d4","target":"graph","created_at":"2026-07-05T08:55:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2408.07478/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optical networks play a crucial role in todays digital topography, enabling the high-speed and reliable transmission of vast amounts of data over optical fibre for long distances. This paper provides an overview of optical networks, especially emphasising on their evolution with time.","authors_text":"Anjali Sharma, Baljinder Singh Heera, Kumari Akansha, Pallavi Athe, Varsha Lohani, Yatindra Nath Singh","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2024-08-14T11:48:09Z","title":"Optical Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.07478","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":"sha256:6176ddef93315a6f4855dfdc41eaccf1622f0163b51c3c0972ff074d43717f2a","target":"record","created_at":"2026-07-05T08:55:25Z","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":"d3e5b3a8ffca55ba1d4d0b3ce39b07a233386093c4927c172d6f3fa19c59f57d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2024-08-14T11:48:09Z","title_canon_sha256":"9777cc39ff1dd53d3a767abd28e33f71900727128a406792cfa24b5f8dacfe43"},"schema_version":"1.0","source":{"id":"2408.07478","kind":"arxiv","version":1}},"canonical_sha256":"662dd66e6945a057e245fd8c447e93c9a7e8f7d2cc870ca5d137de1a901e598a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"662dd66e6945a057e245fd8c447e93c9a7e8f7d2cc870ca5d137de1a901e598a","first_computed_at":"2026-07-05T08:55:25.921506Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:55:25.921506Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"caOTlJmgfVec0FPUiHS4ciBmstxyYjHi//4MkhNxSPecnOkke0p/pj1l1tKjGF9ECrDhjKB3M2TEuYd3jLW+DA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:55:25.921906Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.07478","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6176ddef93315a6f4855dfdc41eaccf1622f0163b51c3c0972ff074d43717f2a","sha256:24472dbad53038f045072fff27fdf765233657f6d1c219e65c2287e7d94d55d4"],"state_sha256":"dba1d760a0b51e09c116e23cb09f87df1af7a95bd82961700b36e1b329cc6cdd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QddK+Fjri1BupheOkdN6/wvOQCD27c18vfIVMjUkYeR5Jja1p2CHAjbJC48ISDWWCKw1O8spXG8/hFmh/DT9Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T06:00:17.724011Z","bundle_sha256":"1fd216e27aa901a07deb71fb3f8a7f7773a8c3e8c112d8c47c0e56d47268928d"}}