{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EFWGRWF6XV2JLUIKSP4VMBBDAF","short_pith_number":"pith:EFWGRWF6","canonical_record":{"source":{"id":"1402.6464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-26T09:18:03Z","cross_cats_sorted":[],"title_canon_sha256":"ce8cffbc0ecc273adb4d103fbd2b83c8c45b236e859425dc67d8673412f19631","abstract_canon_sha256":"a0d72edd4feeae7728e9baf2de36a53d2a231383d1ba58e4a95046fe6565ca54"},"schema_version":"1.0"},"canonical_sha256":"216c68d8bebd7495d10a93f95604230174b1b13e52835680c92229145ca2a587","source":{"kind":"arxiv","id":"1402.6464","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6464","created_at":"2026-05-18T02:57:44Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6464v1","created_at":"2026-05-18T02:57:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6464","created_at":"2026-05-18T02:57:44Z"},{"alias_kind":"pith_short_12","alias_value":"EFWGRWF6XV2J","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"EFWGRWF6XV2JLUIK","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"EFWGRWF6","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EFWGRWF6XV2JLUIKSP4VMBBDAF","target":"record","payload":{"canonical_record":{"source":{"id":"1402.6464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-26T09:18:03Z","cross_cats_sorted":[],"title_canon_sha256":"ce8cffbc0ecc273adb4d103fbd2b83c8c45b236e859425dc67d8673412f19631","abstract_canon_sha256":"a0d72edd4feeae7728e9baf2de36a53d2a231383d1ba58e4a95046fe6565ca54"},"schema_version":"1.0"},"canonical_sha256":"216c68d8bebd7495d10a93f95604230174b1b13e52835680c92229145ca2a587","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:44.477359Z","signature_b64":"sNbpxm1EY1OqIhza8zup4vA0iQpFA9qEMz3Ryy0GykbB9AyCftrLDGfN4q1zdVncgYIsGRQHPEIo02XPn1n2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"216c68d8bebd7495d10a93f95604230174b1b13e52835680c92229145ca2a587","last_reissued_at":"2026-05-18T02:57:44.476940Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:44.476940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.6464","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":"2026-05-18T02:57:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tnwFtY+MJnN1n2VuaFFQLKXNxosSg6q9PNwOkrlVGbSMXr95S2kPuBb/k4f9qJcVUMyN30g+Wmhc0alFwn7jCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T23:46:08.207582Z"},"content_sha256":"821bb1f33885e90f5b47deff83f4a9d234d02c4ec062049eee4b3b5359ac10aa","schema_version":"1.0","event_id":"sha256:821bb1f33885e90f5b47deff83f4a9d234d02c4ec062049eee4b3b5359ac10aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EFWGRWF6XV2JLUIKSP4VMBBDAF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical amplification of phase conjugation using a modulated optical feedback in a Nd:YVO_4 laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Eric Lacot (LIPhy), Herv\\'e Gilles (CIMAP - UMR 6252), Mathieu Laroche (CIMAP - UMR 6252), Sylvain Girard (LHC)","submitted_at":"2014-02-26T09:18:03Z","abstract_excerpt":"We demonstrate an efficient dynamical amplification of phase conjugation in the gain medium of a diode-pumped Nd3+:YVO4 solid state laser via excitation of its relaxation oscillations. Consequently, enhancement in the modulated amplitude of the phase conjugate wave is observed with up to +30 dB compared to classical homodyne approach."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6464","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":"2026-05-18T02:57:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ecyEq0CnZUanwrPuCY5eprY9YITPAM/sYk3DUs+Qyhc3Eh301B9h5pa8yCyl4VnGrkiOnMXXxv8Z8KRqjmzvDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T23:46:08.207935Z"},"content_sha256":"53eea347cbf80e9504f2953bf80f0fdf0d56fdf992b1a062363678cd0a7641ce","schema_version":"1.0","event_id":"sha256:53eea347cbf80e9504f2953bf80f0fdf0d56fdf992b1a062363678cd0a7641ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EFWGRWF6XV2JLUIKSP4VMBBDAF/bundle.json","state_url":"https://pith.science/pith/EFWGRWF6XV2JLUIKSP4VMBBDAF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EFWGRWF6XV2JLUIKSP4VMBBDAF/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":"2026-06-21T23:46:08Z","links":{"resolver":"https://pith.science/pith/EFWGRWF6XV2JLUIKSP4VMBBDAF","bundle":"https://pith.science/pith/EFWGRWF6XV2JLUIKSP4VMBBDAF/bundle.json","state":"https://pith.science/pith/EFWGRWF6XV2JLUIKSP4VMBBDAF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EFWGRWF6XV2JLUIKSP4VMBBDAF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EFWGRWF6XV2JLUIKSP4VMBBDAF","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":"a0d72edd4feeae7728e9baf2de36a53d2a231383d1ba58e4a95046fe6565ca54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-26T09:18:03Z","title_canon_sha256":"ce8cffbc0ecc273adb4d103fbd2b83c8c45b236e859425dc67d8673412f19631"},"schema_version":"1.0","source":{"id":"1402.6464","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6464","created_at":"2026-05-18T02:57:44Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6464v1","created_at":"2026-05-18T02:57:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6464","created_at":"2026-05-18T02:57:44Z"},{"alias_kind":"pith_short_12","alias_value":"EFWGRWF6XV2J","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"EFWGRWF6XV2JLUIK","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"EFWGRWF6","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:53eea347cbf80e9504f2953bf80f0fdf0d56fdf992b1a062363678cd0a7641ce","target":"graph","created_at":"2026-05-18T02:57:44Z","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 demonstrate an efficient dynamical amplification of phase conjugation in the gain medium of a diode-pumped Nd3+:YVO4 solid state laser via excitation of its relaxation oscillations. Consequently, enhancement in the modulated amplitude of the phase conjugate wave is observed with up to +30 dB compared to classical homodyne approach.","authors_text":"Eric Lacot (LIPhy), Herv\\'e Gilles (CIMAP - UMR 6252), Mathieu Laroche (CIMAP - UMR 6252), Sylvain Girard (LHC)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-26T09:18:03Z","title":"Dynamical amplification of phase conjugation using a modulated optical feedback in a Nd:YVO_4 laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6464","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":"sha256:821bb1f33885e90f5b47deff83f4a9d234d02c4ec062049eee4b3b5359ac10aa","target":"record","created_at":"2026-05-18T02:57:44Z","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":"a0d72edd4feeae7728e9baf2de36a53d2a231383d1ba58e4a95046fe6565ca54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-26T09:18:03Z","title_canon_sha256":"ce8cffbc0ecc273adb4d103fbd2b83c8c45b236e859425dc67d8673412f19631"},"schema_version":"1.0","source":{"id":"1402.6464","kind":"arxiv","version":1}},"canonical_sha256":"216c68d8bebd7495d10a93f95604230174b1b13e52835680c92229145ca2a587","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"216c68d8bebd7495d10a93f95604230174b1b13e52835680c92229145ca2a587","first_computed_at":"2026-05-18T02:57:44.476940Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:44.476940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sNbpxm1EY1OqIhza8zup4vA0iQpFA9qEMz3Ryy0GykbB9AyCftrLDGfN4q1zdVncgYIsGRQHPEIo02XPn1n2AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:44.477359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.6464","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:821bb1f33885e90f5b47deff83f4a9d234d02c4ec062049eee4b3b5359ac10aa","sha256:53eea347cbf80e9504f2953bf80f0fdf0d56fdf992b1a062363678cd0a7641ce"],"state_sha256":"77ef3472577c2e106db7670fbe8f6dfe286f093ff05459a673cee7d37f4a583c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IF+ZCzGFC7iZRHV0mSh/3XcX4li6pX7Vp4rjyNFBNROFWOCTGmgSxpe/CrK5n0xQoKRuMeIPh/Tqmx59LJ4bBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T23:46:08.209914Z","bundle_sha256":"bef53e710e0e23f60b675b3f8c0cbf8fb835c785ab92557f07934ebbe11c9ba6"}}