{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3I6FW3DNNLMQPYUN6EFBPSLPGE","short_pith_number":"pith:3I6FW3DN","canonical_record":{"source":{"id":"2412.02490","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-12-03T14:59:33Z","cross_cats_sorted":[],"title_canon_sha256":"5ff518d50a25aa1dd3f76b79cdb7d7798986da0f2fd27ca2ac1d1ba38b049c58","abstract_canon_sha256":"fe3b01f2a2725799026d56661339d6b7f9bac9af76b143ead93245f976183746"},"schema_version":"1.0"},"canonical_sha256":"da3c5b6c6d6ad907e28df10a17c96f313486570c0d140960cd4deb5df9f0f3dc","source":{"kind":"arxiv","id":"2412.02490","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.02490","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"arxiv_version","alias_value":"2412.02490v3","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.02490","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"pith_short_12","alias_value":"3I6FW3DNNLMQ","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"pith_short_16","alias_value":"3I6FW3DNNLMQPYUN","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"pith_short_8","alias_value":"3I6FW3DN","created_at":"2026-07-05T10:12:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3I6FW3DNNLMQPYUN6EFBPSLPGE","target":"record","payload":{"canonical_record":{"source":{"id":"2412.02490","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-12-03T14:59:33Z","cross_cats_sorted":[],"title_canon_sha256":"5ff518d50a25aa1dd3f76b79cdb7d7798986da0f2fd27ca2ac1d1ba38b049c58","abstract_canon_sha256":"fe3b01f2a2725799026d56661339d6b7f9bac9af76b143ead93245f976183746"},"schema_version":"1.0"},"canonical_sha256":"da3c5b6c6d6ad907e28df10a17c96f313486570c0d140960cd4deb5df9f0f3dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:12:24.030484Z","signature_b64":"LFAb39ALvINpL0gx6lrZ1A4SlxKFcl5cJsCXcd/K+vZURnGdvn1T5/jXQsGldTuqkCi0fuwDlfUBI/8nDiA9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da3c5b6c6d6ad907e28df10a17c96f313486570c0d140960cd4deb5df9f0f3dc","last_reissued_at":"2026-07-05T10:12:24.029967Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:12:24.029967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.02490","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:12:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SA8WSxaWMlAK831KJ6VC7tuJbqBPFVwiiIw5/KG7UGDnZuKi+CEejcsALXP06cNvFPQTanZ+De2Vbzjf0AV6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T02:46:15.056115Z"},"content_sha256":"ba91c71ea0b87a1c3fdd38fb1c31123d9f86ce8a3432b65ed52c67dc5953dee7","schema_version":"1.0","event_id":"sha256:ba91c71ea0b87a1c3fdd38fb1c31123d9f86ce8a3432b65ed52c67dc5953dee7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3I6FW3DNNLMQPYUN6EFBPSLPGE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra-narrow linewidth light generation based on an optoelectronic oscillator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Dongdong Jiao, Ming Li, Qizhuang Cen, Shanhong Guan, Tengfei Hao, X. Steve Yao, Yitang Dai","submitted_at":"2024-12-03T14:59:33Z","abstract_excerpt":"Narrow-linewidth light sources are essential for both fundamental research and various technological applications, yet they are challenging to generate directly due to instabilities in active laser cavities and the misalignment between closely spaced resonator modes and broad gain bandwidth. In this study, we demonstrate the direct generation of low-noise light from an optoelectronic oscillator (OEO). By minimizing the delay in the optoelectronic link and employing a high-quality optical resonator, an OEO can simultaneously generate both a low-phase-noise optical oscillation that is resilient "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.02490","kind":"arxiv","version":3},"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/2412.02490/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":"2026-07-05T10:12:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lV6FwaRZY1lXD6yu0c0MjhrFlC8883zv7E9d/tJ6ZJe4PTDim+OnyEVT02c9VihZ7zNvUn5Y1SPYXXuv3bYuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T02:46:15.056891Z"},"content_sha256":"d5c617e3b110c3d8d4b44eb5cd233c8cb9e1db50576865eb9a14897623a4a854","schema_version":"1.0","event_id":"sha256:d5c617e3b110c3d8d4b44eb5cd233c8cb9e1db50576865eb9a14897623a4a854"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3I6FW3DNNLMQPYUN6EFBPSLPGE/bundle.json","state_url":"https://pith.science/pith/3I6FW3DNNLMQPYUN6EFBPSLPGE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3I6FW3DNNLMQPYUN6EFBPSLPGE/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":"2026-08-06T02:46:15Z","links":{"resolver":"https://pith.science/pith/3I6FW3DNNLMQPYUN6EFBPSLPGE","bundle":"https://pith.science/pith/3I6FW3DNNLMQPYUN6EFBPSLPGE/bundle.json","state":"https://pith.science/pith/3I6FW3DNNLMQPYUN6EFBPSLPGE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3I6FW3DNNLMQPYUN6EFBPSLPGE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3I6FW3DNNLMQPYUN6EFBPSLPGE","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":"fe3b01f2a2725799026d56661339d6b7f9bac9af76b143ead93245f976183746","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-12-03T14:59:33Z","title_canon_sha256":"5ff518d50a25aa1dd3f76b79cdb7d7798986da0f2fd27ca2ac1d1ba38b049c58"},"schema_version":"1.0","source":{"id":"2412.02490","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.02490","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"arxiv_version","alias_value":"2412.02490v3","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.02490","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"pith_short_12","alias_value":"3I6FW3DNNLMQ","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"pith_short_16","alias_value":"3I6FW3DNNLMQPYUN","created_at":"2026-07-05T10:12:24Z"},{"alias_kind":"pith_short_8","alias_value":"3I6FW3DN","created_at":"2026-07-05T10:12:24Z"}],"graph_snapshots":[{"event_id":"sha256:d5c617e3b110c3d8d4b44eb5cd233c8cb9e1db50576865eb9a14897623a4a854","target":"graph","created_at":"2026-07-05T10:12:24Z","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/2412.02490/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Narrow-linewidth light sources are essential for both fundamental research and various technological applications, yet they are challenging to generate directly due to instabilities in active laser cavities and the misalignment between closely spaced resonator modes and broad gain bandwidth. In this study, we demonstrate the direct generation of low-noise light from an optoelectronic oscillator (OEO). By minimizing the delay in the optoelectronic link and employing a high-quality optical resonator, an OEO can simultaneously generate both a low-phase-noise optical oscillation that is resilient ","authors_text":"Dongdong Jiao, Ming Li, Qizhuang Cen, Shanhong Guan, Tengfei Hao, X. Steve Yao, Yitang Dai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-12-03T14:59:33Z","title":"Ultra-narrow linewidth light generation based on an optoelectronic oscillator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.02490","kind":"arxiv","version":3},"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:ba91c71ea0b87a1c3fdd38fb1c31123d9f86ce8a3432b65ed52c67dc5953dee7","target":"record","created_at":"2026-07-05T10:12:24Z","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":"fe3b01f2a2725799026d56661339d6b7f9bac9af76b143ead93245f976183746","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-12-03T14:59:33Z","title_canon_sha256":"5ff518d50a25aa1dd3f76b79cdb7d7798986da0f2fd27ca2ac1d1ba38b049c58"},"schema_version":"1.0","source":{"id":"2412.02490","kind":"arxiv","version":3}},"canonical_sha256":"da3c5b6c6d6ad907e28df10a17c96f313486570c0d140960cd4deb5df9f0f3dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da3c5b6c6d6ad907e28df10a17c96f313486570c0d140960cd4deb5df9f0f3dc","first_computed_at":"2026-07-05T10:12:24.029967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:12:24.029967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LFAb39ALvINpL0gx6lrZ1A4SlxKFcl5cJsCXcd/K+vZURnGdvn1T5/jXQsGldTuqkCi0fuwDlfUBI/8nDiA9Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:12:24.030484Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.02490","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba91c71ea0b87a1c3fdd38fb1c31123d9f86ce8a3432b65ed52c67dc5953dee7","sha256:d5c617e3b110c3d8d4b44eb5cd233c8cb9e1db50576865eb9a14897623a4a854"],"state_sha256":"ca487340fa7f54d4d0f8bd31f90c5636da8d809fb8168568f6620dbd94af4610"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aVErKBM6se4UBgqgoFAFKXwGO1d68JvdhUn8aAkGqRXCg1oFAnii01rcWY7z3yh7Vki+prhGVeHTzbXz8khkCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T02:46:15.062287Z","bundle_sha256":"43213d492bc92ce843acb134ab81b520957ef8f2fb67afce8acacef2e54f2954"}}