{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UMSR7RNGRID5SGOPZMJNBMKNVH","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":"b3e9febd216d4a60feb17b6e7a16bd0b4c71c25b86a7761d7be3f0567e6288f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-03-29T09:48:48Z","title_canon_sha256":"ecfa1c62bdd10a224fd211a7e40ddb732daa58361c91cad00e8f1aff8ceed08c"},"schema_version":"1.0","source":{"id":"1903.12418","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12418","created_at":"2026-07-05T00:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12418v1","created_at":"2026-07-05T00:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12418","created_at":"2026-07-05T00:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"UMSR7RNGRID5","created_at":"2026-07-05T00:01:46Z"},{"alias_kind":"pith_short_16","alias_value":"UMSR7RNGRID5SGOP","created_at":"2026-07-05T00:01:46Z"},{"alias_kind":"pith_short_8","alias_value":"UMSR7RNG","created_at":"2026-07-05T00:01:46Z"}],"graph_snapshots":[{"event_id":"sha256:9cd652a016ce705508a20f8c50dff3a0a20f1fd50eec53d42ba6e0de7e9c31b7","target":"graph","created_at":"2026-07-05T00:01:46Z","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/1903.12418/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the CEP stabilization of an Yb-doped fiber amplifier system delivering 30 microjoules, 100 fs pulses at 100 kHz repetition rate. A single shot, every shot, measurement of the CEP stability based on a simple f-2f interferometer is performed, yielding a CEP standard deviation of 320 mrad rms over 1 s. Long-term stability is also assessed, with 380 mrad measured over one hour. This level of performance is allowed by a hybrid architecture including a passively CEP-stabilized front-end based on difference frequency generation, and an active CEP stabilization loop for the fiber amplifie","authors_text":"Florent Guichard, Hamed Merdji, Jean-Francois Hergott, Loic Lavenu, Marc Hanna, Michele Natile, Patrick Georges, Ronic Chiche, Willem Boutu, Xiaowei Chen, Yoann Zaouter","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-03-29T09:48:48Z","title":"CEP-stable high-energy ytterbium doped fiber amplifier"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12418","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":"sha256:46f5ca2e29cc0c2142b002ce4113483eb29adc0a660ec689850c0d9a46567726","target":"record","created_at":"2026-07-05T00:01:46Z","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":"b3e9febd216d4a60feb17b6e7a16bd0b4c71c25b86a7761d7be3f0567e6288f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-03-29T09:48:48Z","title_canon_sha256":"ecfa1c62bdd10a224fd211a7e40ddb732daa58361c91cad00e8f1aff8ceed08c"},"schema_version":"1.0","source":{"id":"1903.12418","kind":"arxiv","version":1}},"canonical_sha256":"a3251fc5a68a07d919cfcb12d0b14da9f4910af6be0729f4337821ba015c845f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3251fc5a68a07d919cfcb12d0b14da9f4910af6be0729f4337821ba015c845f","first_computed_at":"2026-07-05T00:01:46.257415Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:01:46.257415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SVwL4E1G8lKNBdGkE1/HkatF3ElNj2mrWwOKjGOFiFDfpiKYpCCg+NL9dO+X4zmvZu3vDjPFnJaM94bpk8KBDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:01:46.257900Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.12418","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46f5ca2e29cc0c2142b002ce4113483eb29adc0a660ec689850c0d9a46567726","sha256:9cd652a016ce705508a20f8c50dff3a0a20f1fd50eec53d42ba6e0de7e9c31b7"],"state_sha256":"c98f283011e740bd4578acdb1e18729c5a1f8af621d5ea50b043f9c42702d908"}