{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:3YMOYCQNNMWOLYTISR5JPOS53P","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":"50cc496fa957cd7a41b8819f3cf3cf570a5c1da23d7d549e3dc9bc267c041de3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-06T17:44:10Z","title_canon_sha256":"4ee369fd88b81804269cfd19232529c897fbc142f157b67431e95606c01a43f5"},"schema_version":"1.0","source":{"id":"2004.02852","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.02852","created_at":"2026-07-05T01:18:59Z"},{"alias_kind":"arxiv_version","alias_value":"2004.02852v1","created_at":"2026-07-05T01:18:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.02852","created_at":"2026-07-05T01:18:59Z"},{"alias_kind":"pith_short_12","alias_value":"3YMOYCQNNMWO","created_at":"2026-07-05T01:18:59Z"},{"alias_kind":"pith_short_16","alias_value":"3YMOYCQNNMWOLYTI","created_at":"2026-07-05T01:18:59Z"},{"alias_kind":"pith_short_8","alias_value":"3YMOYCQN","created_at":"2026-07-05T01:18:59Z"}],"graph_snapshots":[{"event_id":"sha256:8dbe7bf3a9ab0f127a8dc351c6c629414bf5f95d9ab646e1c3057bcec09a8fdb","target":"graph","created_at":"2026-07-05T01:18:59Z","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/2004.02852/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a flexible all-polarization-maintaining (PM) mode-locked ytterbium (Yb):fiber laser based on a nonlinear amplifying loop mirror (NALM). In addition to providing detailed design considerations, we discuss the different operation regimes accessible by this versatile laser architecture and experimentally analyze five representative mode-locking states. These five states were obtained in a 78-MHz configuration at different intracavity group delay dispersion (GDD) values ranging from anomalous (-0.035 ps$^2$) to normal (+0.015 ps$^2$). We put a particular focus on the characterization of","authors_text":"Aline S. Mayer, Chen Li, Christoph M. Heyl, Georg Winkler, Ingmar Hartl, Jakob Fellinger, Lukas W. Perner, Oliver H. Heckl, Sarper H. Salman, Stefan Droste, Wilfrid Grosinger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-06T17:44:10Z","title":"Flexible all-PM NALM Yb:fiber laser design for frequency comb applications: operation regimes and their noise properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.02852","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":"sha256:163a883e001d150ca13381133b5ba7561279acb7778b7777273a17054cd775e7","target":"record","created_at":"2026-07-05T01:18:59Z","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":"50cc496fa957cd7a41b8819f3cf3cf570a5c1da23d7d549e3dc9bc267c041de3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-06T17:44:10Z","title_canon_sha256":"4ee369fd88b81804269cfd19232529c897fbc142f157b67431e95606c01a43f5"},"schema_version":"1.0","source":{"id":"2004.02852","kind":"arxiv","version":1}},"canonical_sha256":"de18ec0a0d6b2ce5e268947a97ba5ddbeb3737df8e1fc3e7c6f425ecb4e042e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de18ec0a0d6b2ce5e268947a97ba5ddbeb3737df8e1fc3e7c6f425ecb4e042e8","first_computed_at":"2026-07-05T01:18:59.499062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:18:59.499062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2zkaL5rGYkINOFpcLQ+4KSHkthVFKk87GtiTHb7UFdi4GaNeEz3w1Uwa+iOJDFtB1hV4arU5lNBgN7OEdFJyCw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:18:59.500136Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.02852","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:163a883e001d150ca13381133b5ba7561279acb7778b7777273a17054cd775e7","sha256:8dbe7bf3a9ab0f127a8dc351c6c629414bf5f95d9ab646e1c3057bcec09a8fdb"],"state_sha256":"5daeeaac748d7866ba0bc42e22d05f6fe6b454fd554c182c7b98459466abd6c1"}