{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:TNTUGAC72QXZZ5MJIML75J6OLO","short_pith_number":"pith:TNTUGAC7","canonical_record":{"source":{"id":"1603.05025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-16T10:47:24Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"3e1ff07fec8291b76eb41ca3e7d4523be87b02d9e4696060911a4b9a13a6a559","abstract_canon_sha256":"fee175cf4ed624887e1e22cb09b32de1a74b0717eb85614b830730d39808656b"},"schema_version":"1.0"},"canonical_sha256":"9b6743005fd42f9cf5894317fea7ce5bab33a5969af9fd6cc6b7c1395767835c","source":{"kind":"arxiv","id":"1603.05025","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.05025","created_at":"2026-05-18T01:10:50Z"},{"alias_kind":"arxiv_version","alias_value":"1603.05025v1","created_at":"2026-05-18T01:10:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.05025","created_at":"2026-05-18T01:10:50Z"},{"alias_kind":"pith_short_12","alias_value":"TNTUGAC72QXZ","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"TNTUGAC72QXZZ5MJ","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"TNTUGAC7","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:TNTUGAC72QXZZ5MJIML75J6OLO","target":"record","payload":{"canonical_record":{"source":{"id":"1603.05025","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-16T10:47:24Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"3e1ff07fec8291b76eb41ca3e7d4523be87b02d9e4696060911a4b9a13a6a559","abstract_canon_sha256":"fee175cf4ed624887e1e22cb09b32de1a74b0717eb85614b830730d39808656b"},"schema_version":"1.0"},"canonical_sha256":"9b6743005fd42f9cf5894317fea7ce5bab33a5969af9fd6cc6b7c1395767835c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:50.415401Z","signature_b64":"gasKwggTbLM9WRf0mZc/G0AR97z5UXdF10DsrgjOkc1OYkfVC1N98ufma0xAxUKh39UfgpPkRv9l5TydHjX9BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b6743005fd42f9cf5894317fea7ce5bab33a5969af9fd6cc6b7c1395767835c","last_reissued_at":"2026-05-18T01:10:50.414834Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:50.414834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.05025","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":"2026-05-18T01:10:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MXpf8xlZ0H5QymEbM+Cf7HbvQmyk6/LWc+QWgTFj7dRdTMJ1dAOmZs9PEM9ao3Z2EWY93TDf01ewlChisq5LCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:32:00.359967Z"},"content_sha256":"cdffde371667280bf3f7f86a2dfa488507ffaa2119e637e8b0a1937d12be2fed","schema_version":"1.0","event_id":"sha256:cdffde371667280bf3f7f86a2dfa488507ffaa2119e637e8b0a1937d12be2fed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:TNTUGAC72QXZZ5MJIML75J6OLO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra-stable optical frequency dissemination on a multi-access fibre network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Anne Amy-Klein (LPL), Anthony Bercy (LNE - SYRTE, LPL), Olivier Lopez (LPL), Paul-Eric Pottie (LNE - SYRTE)","submitted_at":"2016-03-16T10:47:24Z","abstract_excerpt":"We report the dissemination of an ultrastable optical frequency signal to two distant users simultaneously using a branching network. The ultrastable signal is extracted along a main fibre link; it is optically tracked with a narrow-linewidth laser diode, which light is injected in a secondary link. The propagation noise of both links is actively compensated. We implement this scheme with two links of 50-km fibre spools, the extraction being setup at the mid-point of the main link. We show that the extracted signal at the end of the secondary link exhibits fractional frequency instability of 1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.05025","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":"2026-05-18T01:10:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"axSybPjkOq2S+uZQnQJAuURGJJarloOsNQ2+tgONqmhaUi29L/6fEkemG6s1LkJ735bRaXdHOsTy64QezacQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:32:00.360746Z"},"content_sha256":"b95110de5d192935e8acf620cdaff619e076290f455fa080834c93a4afbf106e","schema_version":"1.0","event_id":"sha256:b95110de5d192935e8acf620cdaff619e076290f455fa080834c93a4afbf106e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TNTUGAC72QXZZ5MJIML75J6OLO/bundle.json","state_url":"https://pith.science/pith/TNTUGAC72QXZZ5MJIML75J6OLO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TNTUGAC72QXZZ5MJIML75J6OLO/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":"2026-05-31T07:32:00Z","links":{"resolver":"https://pith.science/pith/TNTUGAC72QXZZ5MJIML75J6OLO","bundle":"https://pith.science/pith/TNTUGAC72QXZZ5MJIML75J6OLO/bundle.json","state":"https://pith.science/pith/TNTUGAC72QXZZ5MJIML75J6OLO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TNTUGAC72QXZZ5MJIML75J6OLO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TNTUGAC72QXZZ5MJIML75J6OLO","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":"fee175cf4ed624887e1e22cb09b32de1a74b0717eb85614b830730d39808656b","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-16T10:47:24Z","title_canon_sha256":"3e1ff07fec8291b76eb41ca3e7d4523be87b02d9e4696060911a4b9a13a6a559"},"schema_version":"1.0","source":{"id":"1603.05025","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.05025","created_at":"2026-05-18T01:10:50Z"},{"alias_kind":"arxiv_version","alias_value":"1603.05025v1","created_at":"2026-05-18T01:10:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.05025","created_at":"2026-05-18T01:10:50Z"},{"alias_kind":"pith_short_12","alias_value":"TNTUGAC72QXZ","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"TNTUGAC72QXZZ5MJ","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"TNTUGAC7","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:b95110de5d192935e8acf620cdaff619e076290f455fa080834c93a4afbf106e","target":"graph","created_at":"2026-05-18T01:10:50Z","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 report the dissemination of an ultrastable optical frequency signal to two distant users simultaneously using a branching network. The ultrastable signal is extracted along a main fibre link; it is optically tracked with a narrow-linewidth laser diode, which light is injected in a secondary link. The propagation noise of both links is actively compensated. We implement this scheme with two links of 50-km fibre spools, the extraction being setup at the mid-point of the main link. We show that the extracted signal at the end of the secondary link exhibits fractional frequency instability of 1","authors_text":"Anne Amy-Klein (LPL), Anthony Bercy (LNE - SYRTE, LPL), Olivier Lopez (LPL), Paul-Eric Pottie (LNE - SYRTE)","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-16T10:47:24Z","title":"Ultra-stable optical frequency dissemination on a multi-access fibre network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.05025","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:cdffde371667280bf3f7f86a2dfa488507ffaa2119e637e8b0a1937d12be2fed","target":"record","created_at":"2026-05-18T01:10:50Z","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":"fee175cf4ed624887e1e22cb09b32de1a74b0717eb85614b830730d39808656b","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-16T10:47:24Z","title_canon_sha256":"3e1ff07fec8291b76eb41ca3e7d4523be87b02d9e4696060911a4b9a13a6a559"},"schema_version":"1.0","source":{"id":"1603.05025","kind":"arxiv","version":1}},"canonical_sha256":"9b6743005fd42f9cf5894317fea7ce5bab33a5969af9fd6cc6b7c1395767835c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b6743005fd42f9cf5894317fea7ce5bab33a5969af9fd6cc6b7c1395767835c","first_computed_at":"2026-05-18T01:10:50.414834Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:50.414834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gasKwggTbLM9WRf0mZc/G0AR97z5UXdF10DsrgjOkc1OYkfVC1N98ufma0xAxUKh39UfgpPkRv9l5TydHjX9BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:50.415401Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.05025","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cdffde371667280bf3f7f86a2dfa488507ffaa2119e637e8b0a1937d12be2fed","sha256:b95110de5d192935e8acf620cdaff619e076290f455fa080834c93a4afbf106e"],"state_sha256":"a02a0c9ff414e76bc114ca61066a51548b856ed4e56e47319c89f5c5fdb92ed8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PNAFLS48tyfV8fAKGLgL0gO0GHmQ82OAWIOuragffdHk9IIRgAlgSKZtvJH2XzLX3q5+CK94VB34BlRuguo/Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T07:32:00.364704Z","bundle_sha256":"785d86dd3992887d22cf2f4c3c68a8c17c82978d079571fe7fbcb7b23b9715d4"}}