{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JIOD7476EQSFHC5MJLNX7GFIM3","short_pith_number":"pith:JIOD7476","canonical_record":{"source":{"id":"1801.03649","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-11T07:38:17Z","cross_cats_sorted":[],"title_canon_sha256":"4c3eed516ea0102f1962862ac56423378f437638608ac6392df914d1b447696c","abstract_canon_sha256":"e690cdd99338b16d7848761a7c97667371b197dde3ca722e1329ac5dcf305351"},"schema_version":"1.0"},"canonical_sha256":"4a1c3ff3fe2424538bac4adb7f98a866f2168562399761eb92850b86d29168f0","source":{"kind":"arxiv","id":"1801.03649","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03649","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03649v2","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03649","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"pith_short_12","alias_value":"JIOD7476EQSF","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JIOD7476EQSFHC5M","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JIOD7476","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JIOD7476EQSFHC5MJLNX7GFIM3","target":"record","payload":{"canonical_record":{"source":{"id":"1801.03649","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-11T07:38:17Z","cross_cats_sorted":[],"title_canon_sha256":"4c3eed516ea0102f1962862ac56423378f437638608ac6392df914d1b447696c","abstract_canon_sha256":"e690cdd99338b16d7848761a7c97667371b197dde3ca722e1329ac5dcf305351"},"schema_version":"1.0"},"canonical_sha256":"4a1c3ff3fe2424538bac4adb7f98a866f2168562399761eb92850b86d29168f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:06.746087Z","signature_b64":"dNkEqr1Ui7woKU2mIAnmV8FMLSbcx9T3A25DiUE9I7G8tWxEPprHIuMmHe42KsuHxVGU4j3mVLVij7Ms8G1rDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a1c3ff3fe2424538bac4adb7f98a866f2168562399761eb92850b86d29168f0","last_reissued_at":"2026-05-18T00:21:06.745607Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:06.745607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.03649","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:21:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YTARbm/Nkl6pa530IAgJ7dimGwGSeuY3nZ3cykrY8wLKH4l1SzgeTMPZkx7iQU+vVg0VLxXy9GgnvqO9gkOzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:49:42.957729Z"},"content_sha256":"8b522c6cbedab24c1f6fff3a93d2eda75e9cd70ce3a6ef0691880f90a3006d95","schema_version":"1.0","event_id":"sha256:8b522c6cbedab24c1f6fff3a93d2eda75e9cd70ce3a6ef0691880f90a3006d95"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JIOD7476EQSFHC5MJLNX7GFIM3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interplay of Kerr and Raman beam cleaning with a multimode microstructure fiber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Tonello, D. Modotto, G. Millot, K. Krupa, M. Fabert, R. Dupiol, S. Wabnitz, V. Couderc","submitted_at":"2018-01-11T07:38:17Z","abstract_excerpt":"We experimentally study the competition between Kerr beam self-cleaning and Raman beam cleanup in a multimode air-silica microstructure optical fiber. Kerr beam self-cleaning of the pump is observed for a certain range of input powers only. Raman Stokes beam generation and cleanup lead to both depletion and degradation of beam quality for the pump. The interplay of modal four-wave mixing and Raman scattering in the infrared domain lead to the generation of a multimode supercontinuum ranging from 500 nm up to 1800 nm."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03649","kind":"arxiv","version":2},"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":"2026-05-18T00:21:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YZdWtCOmsh7Xi5bJMmQCRhNH98CKZ0wVMxrzWHKm5cpCWijjrF6wiiHQKCBe+XLHlnlRl/d5yK3R/ZXb+acvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:49:42.958437Z"},"content_sha256":"f252f77376bbb8fcfe12279396acb51fdb8c34144061367a34a3d3b0c7ae2b2f","schema_version":"1.0","event_id":"sha256:f252f77376bbb8fcfe12279396acb51fdb8c34144061367a34a3d3b0c7ae2b2f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JIOD7476EQSFHC5MJLNX7GFIM3/bundle.json","state_url":"https://pith.science/pith/JIOD7476EQSFHC5MJLNX7GFIM3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JIOD7476EQSFHC5MJLNX7GFIM3/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":"2026-05-26T04:49:42Z","links":{"resolver":"https://pith.science/pith/JIOD7476EQSFHC5MJLNX7GFIM3","bundle":"https://pith.science/pith/JIOD7476EQSFHC5MJLNX7GFIM3/bundle.json","state":"https://pith.science/pith/JIOD7476EQSFHC5MJLNX7GFIM3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JIOD7476EQSFHC5MJLNX7GFIM3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JIOD7476EQSFHC5MJLNX7GFIM3","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":"e690cdd99338b16d7848761a7c97667371b197dde3ca722e1329ac5dcf305351","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-11T07:38:17Z","title_canon_sha256":"4c3eed516ea0102f1962862ac56423378f437638608ac6392df914d1b447696c"},"schema_version":"1.0","source":{"id":"1801.03649","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03649","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03649v2","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03649","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"pith_short_12","alias_value":"JIOD7476EQSF","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JIOD7476EQSFHC5M","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JIOD7476","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:f252f77376bbb8fcfe12279396acb51fdb8c34144061367a34a3d3b0c7ae2b2f","target":"graph","created_at":"2026-05-18T00:21:06Z","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 experimentally study the competition between Kerr beam self-cleaning and Raman beam cleanup in a multimode air-silica microstructure optical fiber. Kerr beam self-cleaning of the pump is observed for a certain range of input powers only. Raman Stokes beam generation and cleanup lead to both depletion and degradation of beam quality for the pump. The interplay of modal four-wave mixing and Raman scattering in the infrared domain lead to the generation of a multimode supercontinuum ranging from 500 nm up to 1800 nm.","authors_text":"A. Tonello, D. Modotto, G. Millot, K. Krupa, M. Fabert, R. Dupiol, S. Wabnitz, V. Couderc","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-11T07:38:17Z","title":"Interplay of Kerr and Raman beam cleaning with a multimode microstructure fiber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03649","kind":"arxiv","version":2},"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":"sha256:8b522c6cbedab24c1f6fff3a93d2eda75e9cd70ce3a6ef0691880f90a3006d95","target":"record","created_at":"2026-05-18T00:21:06Z","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":"e690cdd99338b16d7848761a7c97667371b197dde3ca722e1329ac5dcf305351","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-11T07:38:17Z","title_canon_sha256":"4c3eed516ea0102f1962862ac56423378f437638608ac6392df914d1b447696c"},"schema_version":"1.0","source":{"id":"1801.03649","kind":"arxiv","version":2}},"canonical_sha256":"4a1c3ff3fe2424538bac4adb7f98a866f2168562399761eb92850b86d29168f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a1c3ff3fe2424538bac4adb7f98a866f2168562399761eb92850b86d29168f0","first_computed_at":"2026-05-18T00:21:06.745607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:06.745607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dNkEqr1Ui7woKU2mIAnmV8FMLSbcx9T3A25DiUE9I7G8tWxEPprHIuMmHe42KsuHxVGU4j3mVLVij7Ms8G1rDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:06.746087Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03649","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b522c6cbedab24c1f6fff3a93d2eda75e9cd70ce3a6ef0691880f90a3006d95","sha256:f252f77376bbb8fcfe12279396acb51fdb8c34144061367a34a3d3b0c7ae2b2f"],"state_sha256":"7c9997ea32c651b1c0ba0cf6087838a6d5d6be39a6fc01633405b51982333434"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qc5STKEelTSvPfMcDyX9yE/HzImEZmvg/dk3a7BtR8odWF04Ci1dr0Zpr2waqoluYe2fjeT58NtCY3bhLkPDCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T04:49:42.962224Z","bundle_sha256":"2a3b8c61b13647a64565c09dff0d2a7a3c1404261da267eb511ce90ce8994c0b"}}