{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:7FWQCLDNIY6U6HSLBHX2ECF7UT","short_pith_number":"pith:7FWQCLDN","canonical_record":{"source":{"id":"1701.07392","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-01-25T17:33:31Z","cross_cats_sorted":[],"title_canon_sha256":"2d873ead3aa7896e3a5d792e8e87ed2b7acb9ea78d7391b188fefe2620dcdd59","abstract_canon_sha256":"f4f44e704b075b989f57cc3b6fadab1c2ed90f3fba0fa21322f3922be915f17e"},"schema_version":"1.0"},"canonical_sha256":"f96d012c6d463d4f1e4b09efa208bfa4eb9f301a7383c592346edf3817f6316b","source":{"kind":"arxiv","id":"1701.07392","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07392","created_at":"2026-05-18T00:38:58Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07392v1","created_at":"2026-05-18T00:38:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07392","created_at":"2026-05-18T00:38:58Z"},{"alias_kind":"pith_short_12","alias_value":"7FWQCLDNIY6U","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7FWQCLDNIY6U6HSL","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7FWQCLDN","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:7FWQCLDNIY6U6HSLBHX2ECF7UT","target":"record","payload":{"canonical_record":{"source":{"id":"1701.07392","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-01-25T17:33:31Z","cross_cats_sorted":[],"title_canon_sha256":"2d873ead3aa7896e3a5d792e8e87ed2b7acb9ea78d7391b188fefe2620dcdd59","abstract_canon_sha256":"f4f44e704b075b989f57cc3b6fadab1c2ed90f3fba0fa21322f3922be915f17e"},"schema_version":"1.0"},"canonical_sha256":"f96d012c6d463d4f1e4b09efa208bfa4eb9f301a7383c592346edf3817f6316b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:58.137447Z","signature_b64":"Y2NPUEq08TlVXjx+NVpNDA9WBj7BC/clN2vRWFN5sWEcI++CFmwy68kaiCZA9neo5qxUMTbp1E4tmZ5d/8YVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f96d012c6d463d4f1e4b09efa208bfa4eb9f301a7383c592346edf3817f6316b","last_reissued_at":"2026-05-18T00:38:58.136737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:58.136737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.07392","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":"2026-05-18T00:38:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kq27/hp7oLNqeys3g76xzMn1UwznEcYOxOfYsLQlj2mDfebcjAhlGWZsiUJAI8zgUK6xHcbirj1sjNG5XVMoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:12:43.361663Z"},"content_sha256":"d204240b3e5963a66bf1638be7b49634a9937ce8d025bccfcadf6997fb432c65","schema_version":"1.0","event_id":"sha256:d204240b3e5963a66bf1638be7b49634a9937ce8d025bccfcadf6997fb432c65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:7FWQCLDNIY6U6HSLBHX2ECF7UT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generation of Broadband Mid-IR and UV Light in Gas-Filled Single-Ring Hollow-Core PCF","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"David Novoa, John C. Travers, Marco Cassataro, Mehmet C. G\\\"unendi, Michael H. Frosz, Nitin N. Edavalath, Philip St.J. Russell","submitted_at":"2017-01-25T17:33:31Z","abstract_excerpt":"We report generation of an ultrafast supercontinuum extending into the mid- infrared in gas-filled single-ring hollow-core photonic crystal fiber (SR-PCF) pumped by 1.7 $\\mu$m light from an optical parametric amplifier. The simple fiber structure offers shallow dispersion and flat transmission in the near and mid-infrared, enabling the generation of broadband spectra extending from 300 nm to 3.1 $\\mu$m, with a total energy of a few $\\mu$J. In addition, we report the emission of ultraviolet dispersive waves whose frequency can be tuned simply by adjusting the pump wavelength. SR-PCF also provid"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07392","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":"2026-05-18T00:38:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5C5TWGGAZhZxwDeUr1RNiRD/N65lqV/mUJnmCBbLB2UAqEzzqIUuFA38J4hoxJDFVeD8+KUjKJK2ZPrMQR4pDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:12:43.362010Z"},"content_sha256":"3350e7f9a7475e1020f122671a4e6a5ce461d482a12d096dd9cac0889eaf9a20","schema_version":"1.0","event_id":"sha256:3350e7f9a7475e1020f122671a4e6a5ce461d482a12d096dd9cac0889eaf9a20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7FWQCLDNIY6U6HSLBHX2ECF7UT/bundle.json","state_url":"https://pith.science/pith/7FWQCLDNIY6U6HSLBHX2ECF7UT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7FWQCLDNIY6U6HSLBHX2ECF7UT/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":"2026-05-28T06:12:43Z","links":{"resolver":"https://pith.science/pith/7FWQCLDNIY6U6HSLBHX2ECF7UT","bundle":"https://pith.science/pith/7FWQCLDNIY6U6HSLBHX2ECF7UT/bundle.json","state":"https://pith.science/pith/7FWQCLDNIY6U6HSLBHX2ECF7UT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7FWQCLDNIY6U6HSLBHX2ECF7UT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:7FWQCLDNIY6U6HSLBHX2ECF7UT","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":"f4f44e704b075b989f57cc3b6fadab1c2ed90f3fba0fa21322f3922be915f17e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-01-25T17:33:31Z","title_canon_sha256":"2d873ead3aa7896e3a5d792e8e87ed2b7acb9ea78d7391b188fefe2620dcdd59"},"schema_version":"1.0","source":{"id":"1701.07392","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07392","created_at":"2026-05-18T00:38:58Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07392v1","created_at":"2026-05-18T00:38:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07392","created_at":"2026-05-18T00:38:58Z"},{"alias_kind":"pith_short_12","alias_value":"7FWQCLDNIY6U","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7FWQCLDNIY6U6HSL","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7FWQCLDN","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:3350e7f9a7475e1020f122671a4e6a5ce461d482a12d096dd9cac0889eaf9a20","target":"graph","created_at":"2026-05-18T00:38:58Z","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 report generation of an ultrafast supercontinuum extending into the mid- infrared in gas-filled single-ring hollow-core photonic crystal fiber (SR-PCF) pumped by 1.7 $\\mu$m light from an optical parametric amplifier. The simple fiber structure offers shallow dispersion and flat transmission in the near and mid-infrared, enabling the generation of broadband spectra extending from 300 nm to 3.1 $\\mu$m, with a total energy of a few $\\mu$J. In addition, we report the emission of ultraviolet dispersive waves whose frequency can be tuned simply by adjusting the pump wavelength. SR-PCF also provid","authors_text":"David Novoa, John C. Travers, Marco Cassataro, Mehmet C. G\\\"unendi, Michael H. Frosz, Nitin N. Edavalath, Philip St.J. Russell","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-01-25T17:33:31Z","title":"Generation of Broadband Mid-IR and UV Light in Gas-Filled Single-Ring Hollow-Core PCF"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07392","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:d204240b3e5963a66bf1638be7b49634a9937ce8d025bccfcadf6997fb432c65","target":"record","created_at":"2026-05-18T00:38:58Z","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":"f4f44e704b075b989f57cc3b6fadab1c2ed90f3fba0fa21322f3922be915f17e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-01-25T17:33:31Z","title_canon_sha256":"2d873ead3aa7896e3a5d792e8e87ed2b7acb9ea78d7391b188fefe2620dcdd59"},"schema_version":"1.0","source":{"id":"1701.07392","kind":"arxiv","version":1}},"canonical_sha256":"f96d012c6d463d4f1e4b09efa208bfa4eb9f301a7383c592346edf3817f6316b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f96d012c6d463d4f1e4b09efa208bfa4eb9f301a7383c592346edf3817f6316b","first_computed_at":"2026-05-18T00:38:58.136737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:58.136737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y2NPUEq08TlVXjx+NVpNDA9WBj7BC/clN2vRWFN5sWEcI++CFmwy68kaiCZA9neo5qxUMTbp1E4tmZ5d/8YVCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:58.137447Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.07392","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d204240b3e5963a66bf1638be7b49634a9937ce8d025bccfcadf6997fb432c65","sha256:3350e7f9a7475e1020f122671a4e6a5ce461d482a12d096dd9cac0889eaf9a20"],"state_sha256":"13aaf858b2aa5447a4fda9e16235df747e14d0cca3e54bd8ddae46aaa38d1f09"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LMqu086OJgOuHPgvZWsslGXIbH8sMlx/q4XD0txq3Gi5TKCaNQnfVVGOH70QLh4nOgUeOYljbX9H82UZTNx5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:12:43.363967Z","bundle_sha256":"b9df01c1a8a060be3a9cda04c307a3eed69bc9113b79cb54cf15fe410639a266"}}