{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ACP2RWSSOX327AHMW76JT742BT","short_pith_number":"pith:ACP2RWSS","canonical_record":{"source":{"id":"1708.05230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-08-01T23:15:41Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"1a38c64276491505535a469aa37cc97610aea050a7c4cd111b34313968f5e322","abstract_canon_sha256":"7cecdbe45476d02a18f1080391db93821b2f0891837fe2e214ca02fe98623bdf"},"schema_version":"1.0"},"canonical_sha256":"009fa8da5275f7af80ecb7fc99ff9a0cc54de9fb4e6c73f3164b98ddcbedacf4","source":{"kind":"arxiv","id":"1708.05230","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05230","created_at":"2026-05-18T00:37:53Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05230v1","created_at":"2026-05-18T00:37:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05230","created_at":"2026-05-18T00:37:53Z"},{"alias_kind":"pith_short_12","alias_value":"ACP2RWSSOX32","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"ACP2RWSSOX327AHM","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"ACP2RWSS","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ACP2RWSSOX327AHMW76JT742BT","target":"record","payload":{"canonical_record":{"source":{"id":"1708.05230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-08-01T23:15:41Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"1a38c64276491505535a469aa37cc97610aea050a7c4cd111b34313968f5e322","abstract_canon_sha256":"7cecdbe45476d02a18f1080391db93821b2f0891837fe2e214ca02fe98623bdf"},"schema_version":"1.0"},"canonical_sha256":"009fa8da5275f7af80ecb7fc99ff9a0cc54de9fb4e6c73f3164b98ddcbedacf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:53.521672Z","signature_b64":"IecGXkwCAjS+pQmnwLj3Tyj2Ahbay8cnDYu+Xi8Q62u732pknbyeHUmB3EutLSvCqKX3GOIIXXsVmZcQHVN0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"009fa8da5275f7af80ecb7fc99ff9a0cc54de9fb4e6c73f3164b98ddcbedacf4","last_reissued_at":"2026-05-18T00:37:53.521027Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:53.521027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.05230","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":"2026-05-18T00:37:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1VMz9281Cy8WpYzcfoWCiOBLlccHwT8vKuKc84v8ho8YgAkYoHPS6ejtT/3wx2rNtmEPJ6E5QGBUWRmnDo4GDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:37:38.189410Z"},"content_sha256":"dd920f9f5d3b27cc07d07f8a19e0088ac864cea2092eff81e229c94d4c6e77b0","schema_version":"1.0","event_id":"sha256:dd920f9f5d3b27cc07d07f8a19e0088ac864cea2092eff81e229c94d4c6e77b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ACP2RWSSOX327AHMW76JT742BT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hidden probe attacks on ultralong fiber laser key distribution systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","quant-ph"],"primary_cat":"physics.app-ph","authors_text":"Juan Carlos Garcia-Escartin, Pedro Chamorro-Posada","submitted_at":"2017-08-01T23:15:41Z","abstract_excerpt":"In ultralong fiber laser key distribution, two sides use standard optical equipment to create kilometer long fiber lasers in a communication link to establish a secret key. Its security rests on the assumption that any attacker would need much more sophisticated equipment and techniques than those of the legitimate user in order to discover the generated key. We present a challenge to that assumption with a hidden probe attack in which the eavesdropper hides a weak signal in the unavoidable noise floor that appears in the laser during amplification and probes with it the configuration of one o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05230","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":"2026-05-18T00:37:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yh9LaZX2Zsj1QeeYlkrHfTrOkcbmU0lkvOwVOTr3icG3iRjQ0n3ACfId42T0KDPt08J+zrDlF2pY/kneh5MfCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:37:38.189763Z"},"content_sha256":"bf252f6e3e12e4481fa5b0b8161112365287e03aee22c7f0b9e6ad46308da31b","schema_version":"1.0","event_id":"sha256:bf252f6e3e12e4481fa5b0b8161112365287e03aee22c7f0b9e6ad46308da31b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ACP2RWSSOX327AHMW76JT742BT/bundle.json","state_url":"https://pith.science/pith/ACP2RWSSOX327AHMW76JT742BT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ACP2RWSSOX327AHMW76JT742BT/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":"2026-06-03T18:37:38Z","links":{"resolver":"https://pith.science/pith/ACP2RWSSOX327AHMW76JT742BT","bundle":"https://pith.science/pith/ACP2RWSSOX327AHMW76JT742BT/bundle.json","state":"https://pith.science/pith/ACP2RWSSOX327AHMW76JT742BT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ACP2RWSSOX327AHMW76JT742BT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ACP2RWSSOX327AHMW76JT742BT","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":"7cecdbe45476d02a18f1080391db93821b2f0891837fe2e214ca02fe98623bdf","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-08-01T23:15:41Z","title_canon_sha256":"1a38c64276491505535a469aa37cc97610aea050a7c4cd111b34313968f5e322"},"schema_version":"1.0","source":{"id":"1708.05230","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05230","created_at":"2026-05-18T00:37:53Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05230v1","created_at":"2026-05-18T00:37:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05230","created_at":"2026-05-18T00:37:53Z"},{"alias_kind":"pith_short_12","alias_value":"ACP2RWSSOX32","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"ACP2RWSSOX327AHM","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"ACP2RWSS","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:bf252f6e3e12e4481fa5b0b8161112365287e03aee22c7f0b9e6ad46308da31b","target":"graph","created_at":"2026-05-18T00:37:53Z","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":"In ultralong fiber laser key distribution, two sides use standard optical equipment to create kilometer long fiber lasers in a communication link to establish a secret key. Its security rests on the assumption that any attacker would need much more sophisticated equipment and techniques than those of the legitimate user in order to discover the generated key. We present a challenge to that assumption with a hidden probe attack in which the eavesdropper hides a weak signal in the unavoidable noise floor that appears in the laser during amplification and probes with it the configuration of one o","authors_text":"Juan Carlos Garcia-Escartin, Pedro Chamorro-Posada","cross_cats":["physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-08-01T23:15:41Z","title":"Hidden probe attacks on ultralong fiber laser key distribution systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05230","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:dd920f9f5d3b27cc07d07f8a19e0088ac864cea2092eff81e229c94d4c6e77b0","target":"record","created_at":"2026-05-18T00:37:53Z","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":"7cecdbe45476d02a18f1080391db93821b2f0891837fe2e214ca02fe98623bdf","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-08-01T23:15:41Z","title_canon_sha256":"1a38c64276491505535a469aa37cc97610aea050a7c4cd111b34313968f5e322"},"schema_version":"1.0","source":{"id":"1708.05230","kind":"arxiv","version":1}},"canonical_sha256":"009fa8da5275f7af80ecb7fc99ff9a0cc54de9fb4e6c73f3164b98ddcbedacf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"009fa8da5275f7af80ecb7fc99ff9a0cc54de9fb4e6c73f3164b98ddcbedacf4","first_computed_at":"2026-05-18T00:37:53.521027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:53.521027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IecGXkwCAjS+pQmnwLj3Tyj2Ahbay8cnDYu+Xi8Q62u732pknbyeHUmB3EutLSvCqKX3GOIIXXsVmZcQHVN0Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:53.521672Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.05230","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd920f9f5d3b27cc07d07f8a19e0088ac864cea2092eff81e229c94d4c6e77b0","sha256:bf252f6e3e12e4481fa5b0b8161112365287e03aee22c7f0b9e6ad46308da31b"],"state_sha256":"e88acb20bd9883f1a875848bf33c840746f0f2aa3a059c1bbad9124f581b1b65"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/3rMYu4JQiQpdd7ombu/kCOOfvK3umSNPnppVmbZ98G4++DkeMl+9TotLySTLAIYeGCyKSPiRu2W5Xu1k6Z/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:37:38.191779Z","bundle_sha256":"6315af941ba1a04399ddf99f391f9020d2fdb3535de1c3138ca455278ee3fee7"}}