{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ELFPWW6WDERISOOYPAIHF2VFEE","short_pith_number":"pith:ELFPWW6W","canonical_record":{"source":{"id":"1705.00709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-28T04:22:35Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"e4b1773e8bd731a6e842cd93b817ed25834e1b93965466dbea960f7b728fd311","abstract_canon_sha256":"60cf097a9d925bb732eb5a9c19635f1852011db9fb19d308c4ae331f41074c59"},"schema_version":"1.0"},"canonical_sha256":"22cafb5bd619228939d8781072eaa5211e603e8a59746ce6e5bb552cb1f3ebde","source":{"kind":"arxiv","id":"1705.00709","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.00709","created_at":"2026-05-18T00:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"1705.00709v1","created_at":"2026-05-18T00:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.00709","created_at":"2026-05-18T00:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"ELFPWW6WDERI","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"ELFPWW6WDERISOOY","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"ELFPWW6W","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ELFPWW6WDERISOOYPAIHF2VFEE","target":"record","payload":{"canonical_record":{"source":{"id":"1705.00709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-28T04:22:35Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"e4b1773e8bd731a6e842cd93b817ed25834e1b93965466dbea960f7b728fd311","abstract_canon_sha256":"60cf097a9d925bb732eb5a9c19635f1852011db9fb19d308c4ae331f41074c59"},"schema_version":"1.0"},"canonical_sha256":"22cafb5bd619228939d8781072eaa5211e603e8a59746ce6e5bb552cb1f3ebde","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:43.566695Z","signature_b64":"fQQ+0mGLNgQLYn6EYwAe19ODbEapsmjW8477VWpAojCTHZkExLUvPBlpO2wKyb3h9iF/zHu0FUktOr2V9SR+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22cafb5bd619228939d8781072eaa5211e603e8a59746ce6e5bb552cb1f3ebde","last_reissued_at":"2026-05-18T00:42:43.566164Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:43.566164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.00709","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":"2026-05-18T00:42:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7IF+7RRx4+Ja1FoZwX1/+OFUS32MDACpCYcANwjn/p7w+Gf74G1/N/DESntpOxTanzomPsBMR6auJkfuxh2eCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:37:52.164044Z"},"content_sha256":"a6d3ba00003d188b6144199db46a916c077d708db41311c3715c4dbe51e1d134","schema_version":"1.0","event_id":"sha256:a6d3ba00003d188b6144199db46a916c077d708db41311c3715c4dbe51e1d134"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ELFPWW6WDERISOOYPAIHF2VFEE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterization of Optical Frequency Transfer Over 154 km of Aerial Fiber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.ins-det","authors_text":"Bruce Wallace, David Gozzard, Keith Grainge, Romeo Gamatham, Sascha Schediwy","submitted_at":"2017-04-28T04:22:35Z","abstract_excerpt":"We present measurements of the frequency transfer stability and analysis of the noise characteristics of an optical signal propagating over aerial suspended fiber links up to 153.6 km in length. The measured frequency transfer stability over these links is on the order of 10^-11 at an integration time of one second dropping to 10^-12 for integration times longer than 100 s. We show that wind-loading of the cable spans is the dominant source of short-timescale noise on the fiber links. We also report an attempt to stabilize the optical frequency transfer over these aerial links."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.00709","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":"2026-05-18T00:42:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SI1CMM8f7WKXHvnolS5Xz0NdC1s4FYcnTlcXI0QcWJk7sw388UVCds++xT5Hyqf+sIFEtYx0ZG0qKffWepliDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:37:52.164705Z"},"content_sha256":"a509a2c19a4382f1fbe90f74245a2999bf6d82afad2d231b33e62cd1197022ac","schema_version":"1.0","event_id":"sha256:a509a2c19a4382f1fbe90f74245a2999bf6d82afad2d231b33e62cd1197022ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ELFPWW6WDERISOOYPAIHF2VFEE/bundle.json","state_url":"https://pith.science/pith/ELFPWW6WDERISOOYPAIHF2VFEE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ELFPWW6WDERISOOYPAIHF2VFEE/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":"2026-05-31T08:37:52Z","links":{"resolver":"https://pith.science/pith/ELFPWW6WDERISOOYPAIHF2VFEE","bundle":"https://pith.science/pith/ELFPWW6WDERISOOYPAIHF2VFEE/bundle.json","state":"https://pith.science/pith/ELFPWW6WDERISOOYPAIHF2VFEE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ELFPWW6WDERISOOYPAIHF2VFEE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ELFPWW6WDERISOOYPAIHF2VFEE","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":"60cf097a9d925bb732eb5a9c19635f1852011db9fb19d308c4ae331f41074c59","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-28T04:22:35Z","title_canon_sha256":"e4b1773e8bd731a6e842cd93b817ed25834e1b93965466dbea960f7b728fd311"},"schema_version":"1.0","source":{"id":"1705.00709","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.00709","created_at":"2026-05-18T00:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"1705.00709v1","created_at":"2026-05-18T00:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.00709","created_at":"2026-05-18T00:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"ELFPWW6WDERI","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"ELFPWW6WDERISOOY","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"ELFPWW6W","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:a509a2c19a4382f1fbe90f74245a2999bf6d82afad2d231b33e62cd1197022ac","target":"graph","created_at":"2026-05-18T00:42:43Z","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":"We present measurements of the frequency transfer stability and analysis of the noise characteristics of an optical signal propagating over aerial suspended fiber links up to 153.6 km in length. The measured frequency transfer stability over these links is on the order of 10^-11 at an integration time of one second dropping to 10^-12 for integration times longer than 100 s. We show that wind-loading of the cable spans is the dominant source of short-timescale noise on the fiber links. We also report an attempt to stabilize the optical frequency transfer over these aerial links.","authors_text":"Bruce Wallace, David Gozzard, Keith Grainge, Romeo Gamatham, Sascha Schediwy","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-28T04:22:35Z","title":"Characterization of Optical Frequency Transfer Over 154 km of Aerial Fiber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.00709","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:a6d3ba00003d188b6144199db46a916c077d708db41311c3715c4dbe51e1d134","target":"record","created_at":"2026-05-18T00:42:43Z","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":"60cf097a9d925bb732eb5a9c19635f1852011db9fb19d308c4ae331f41074c59","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-28T04:22:35Z","title_canon_sha256":"e4b1773e8bd731a6e842cd93b817ed25834e1b93965466dbea960f7b728fd311"},"schema_version":"1.0","source":{"id":"1705.00709","kind":"arxiv","version":1}},"canonical_sha256":"22cafb5bd619228939d8781072eaa5211e603e8a59746ce6e5bb552cb1f3ebde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22cafb5bd619228939d8781072eaa5211e603e8a59746ce6e5bb552cb1f3ebde","first_computed_at":"2026-05-18T00:42:43.566164Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:43.566164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fQQ+0mGLNgQLYn6EYwAe19ODbEapsmjW8477VWpAojCTHZkExLUvPBlpO2wKyb3h9iF/zHu0FUktOr2V9SR+CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:43.566695Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.00709","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6d3ba00003d188b6144199db46a916c077d708db41311c3715c4dbe51e1d134","sha256:a509a2c19a4382f1fbe90f74245a2999bf6d82afad2d231b33e62cd1197022ac"],"state_sha256":"823ff6bee59e49124f0173f50048fd3cbbefe118e826945e649b3807df4042c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XWNdvBv6zAugOfxB0NUWVeuEvAA3L0l1kbv8SJkBgOQfFAQcQwpXlYLDHhs5yf18BnOltFqFTShYGHCXCWDgDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:37:52.168653Z","bundle_sha256":"404d061d66cfdd9dc247637765925b689af44503ddfa9ae6752445de42c4e6f8"}}