{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UHN6JHG7APAQO2DDKICN3BO6OV","short_pith_number":"pith:UHN6JHG7","canonical_record":{"source":{"id":"1401.4945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-20T15:36:54Z","cross_cats_sorted":[],"title_canon_sha256":"eab395b13e027ec4e2d92389df7ee52cbd23a7381e49cbc805180556e5cc8966","abstract_canon_sha256":"d1cd9828f4cdc85ca1ca342a7824204358f1e27ddcc4296e8551aa8b411b8374"},"schema_version":"1.0"},"canonical_sha256":"a1dbe49cdf03c10768635204dd85de7571c74b22aa3eb813c5827d1a7dd795ab","source":{"kind":"arxiv","id":"1401.4945","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4945","created_at":"2026-05-18T02:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4945v1","created_at":"2026-05-18T02:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4945","created_at":"2026-05-18T02:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"UHN6JHG7APAQ","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UHN6JHG7APAQO2DD","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UHN6JHG7","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UHN6JHG7APAQO2DDKICN3BO6OV","target":"record","payload":{"canonical_record":{"source":{"id":"1401.4945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-20T15:36:54Z","cross_cats_sorted":[],"title_canon_sha256":"eab395b13e027ec4e2d92389df7ee52cbd23a7381e49cbc805180556e5cc8966","abstract_canon_sha256":"d1cd9828f4cdc85ca1ca342a7824204358f1e27ddcc4296e8551aa8b411b8374"},"schema_version":"1.0"},"canonical_sha256":"a1dbe49cdf03c10768635204dd85de7571c74b22aa3eb813c5827d1a7dd795ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:01.008533Z","signature_b64":"cfn5kwm3Ch/lWFNzBKe6lGKU06zDwPvoPDR+48uGCOmCG16fqDk+3vKRqUiUd+kcm94dsDS6qeJwdLyaWxXqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1dbe49cdf03c10768635204dd85de7571c74b22aa3eb813c5827d1a7dd795ab","last_reissued_at":"2026-05-18T02:51:01.008100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:01.008100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.4945","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":"2026-05-18T02:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EPtbuVhuWxHcTdwwCwHo3umHe5rfC0uJ3+xQmpC5yRL0X3LzPxv+YaAc5uN6vd+Z5nNrWVR3zBNSBIAcx7ICCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T13:43:15.167425Z"},"content_sha256":"a0d6ba413c70c9c46d13f0eee8c62436d6502998ee80c0b60c3607ab2dec8d69","schema_version":"1.0","event_id":"sha256:a0d6ba413c70c9c46d13f0eee8c62436d6502998ee80c0b60c3607ab2dec8d69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UHN6JHG7APAQO2DDKICN3BO6OV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Free-carrier driven spatio-temporal dynamics in amplifying silicon waveguides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Andrea Marini, Fabio Biancalana, Samudra Roy","submitted_at":"2014-01-20T15:36:54Z","abstract_excerpt":"We theoretically investigate the free-carrier induced spatio-temporal dynamics of continuous waves in silicon waveguides embedded in an amplifying medium. Optical propagation is governed by a cubic Ginzburg-Landau equation coupled with an ordinary differential equation accounting for the free-carrier dynamics. We find that, owing to free-carrier dispersion, countinuous waves are modulationally unstable in both anomalous and normal dispersion regimes and chaotically generate unstable accelerating pulses."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4945","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":"2026-05-18T02:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S2N1noP86ehUgsnS1VxJ/vQxPi0A5/dLlB/3n8VOPcVX0guxrsDVTBQ7glYVJE+cSZ9pWoshkVruP3/ATin7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T13:43:15.168126Z"},"content_sha256":"49c2dd1c4ddfe5f1c11505d5705ead019cb4e0c92007b305fbd84760570a10d3","schema_version":"1.0","event_id":"sha256:49c2dd1c4ddfe5f1c11505d5705ead019cb4e0c92007b305fbd84760570a10d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UHN6JHG7APAQO2DDKICN3BO6OV/bundle.json","state_url":"https://pith.science/pith/UHN6JHG7APAQO2DDKICN3BO6OV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UHN6JHG7APAQO2DDKICN3BO6OV/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":"2026-05-22T13:43:15Z","links":{"resolver":"https://pith.science/pith/UHN6JHG7APAQO2DDKICN3BO6OV","bundle":"https://pith.science/pith/UHN6JHG7APAQO2DDKICN3BO6OV/bundle.json","state":"https://pith.science/pith/UHN6JHG7APAQO2DDKICN3BO6OV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UHN6JHG7APAQO2DDKICN3BO6OV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UHN6JHG7APAQO2DDKICN3BO6OV","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":"d1cd9828f4cdc85ca1ca342a7824204358f1e27ddcc4296e8551aa8b411b8374","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-20T15:36:54Z","title_canon_sha256":"eab395b13e027ec4e2d92389df7ee52cbd23a7381e49cbc805180556e5cc8966"},"schema_version":"1.0","source":{"id":"1401.4945","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.4945","created_at":"2026-05-18T02:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1401.4945v1","created_at":"2026-05-18T02:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.4945","created_at":"2026-05-18T02:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"UHN6JHG7APAQ","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UHN6JHG7APAQO2DD","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UHN6JHG7","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:49c2dd1c4ddfe5f1c11505d5705ead019cb4e0c92007b305fbd84760570a10d3","target":"graph","created_at":"2026-05-18T02:51:01Z","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 theoretically investigate the free-carrier induced spatio-temporal dynamics of continuous waves in silicon waveguides embedded in an amplifying medium. Optical propagation is governed by a cubic Ginzburg-Landau equation coupled with an ordinary differential equation accounting for the free-carrier dynamics. We find that, owing to free-carrier dispersion, countinuous waves are modulationally unstable in both anomalous and normal dispersion regimes and chaotically generate unstable accelerating pulses.","authors_text":"Andrea Marini, Fabio Biancalana, Samudra Roy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-20T15:36:54Z","title":"Free-carrier driven spatio-temporal dynamics in amplifying silicon waveguides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.4945","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:a0d6ba413c70c9c46d13f0eee8c62436d6502998ee80c0b60c3607ab2dec8d69","target":"record","created_at":"2026-05-18T02:51:01Z","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":"d1cd9828f4cdc85ca1ca342a7824204358f1e27ddcc4296e8551aa8b411b8374","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-20T15:36:54Z","title_canon_sha256":"eab395b13e027ec4e2d92389df7ee52cbd23a7381e49cbc805180556e5cc8966"},"schema_version":"1.0","source":{"id":"1401.4945","kind":"arxiv","version":1}},"canonical_sha256":"a1dbe49cdf03c10768635204dd85de7571c74b22aa3eb813c5827d1a7dd795ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1dbe49cdf03c10768635204dd85de7571c74b22aa3eb813c5827d1a7dd795ab","first_computed_at":"2026-05-18T02:51:01.008100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:01.008100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cfn5kwm3Ch/lWFNzBKe6lGKU06zDwPvoPDR+48uGCOmCG16fqDk+3vKRqUiUd+kcm94dsDS6qeJwdLyaWxXqAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:01.008533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.4945","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0d6ba413c70c9c46d13f0eee8c62436d6502998ee80c0b60c3607ab2dec8d69","sha256:49c2dd1c4ddfe5f1c11505d5705ead019cb4e0c92007b305fbd84760570a10d3"],"state_sha256":"5584917d6ba0a134a6c36dac1e6171552e8b78982b2c8cd0df44ace6013fc144"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+QkxIHyCDwiwhrG1EDGjh2GKk/i6vYeC3s4FZgHyRAHU8o3zE/ibT7gM3JZHvzwneGVVIrdMyq+hW/hreJeUBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T13:43:15.171829Z","bundle_sha256":"4007351c23ec76b4487bc1717dc644a7af89b76615772d1d00c0759db9348faa"}}