{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XWFEPGMVCWJXFN4ULD25U24AMZ","short_pith_number":"pith:XWFEPGMV","canonical_record":{"source":{"id":"1707.03363","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-07-11T17:05:20Z","cross_cats_sorted":[],"title_canon_sha256":"c798c7a0f73fbcd91ee70036d8f7c3145ea03961c53cdfdac632ec430993710f","abstract_canon_sha256":"9524e615bfd236c745531b97ac89fa0b6f641d0ebadc2e87ec39edd2aafe176c"},"schema_version":"1.0"},"canonical_sha256":"bd8a479995159372b79458f5da6b80666303429c92a390156d31e1616eaf155b","source":{"kind":"arxiv","id":"1707.03363","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.03363","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"1707.03363v1","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.03363","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"XWFEPGMVCWJX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XWFEPGMVCWJXFN4U","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XWFEPGMV","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XWFEPGMVCWJXFN4ULD25U24AMZ","target":"record","payload":{"canonical_record":{"source":{"id":"1707.03363","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-07-11T17:05:20Z","cross_cats_sorted":[],"title_canon_sha256":"c798c7a0f73fbcd91ee70036d8f7c3145ea03961c53cdfdac632ec430993710f","abstract_canon_sha256":"9524e615bfd236c745531b97ac89fa0b6f641d0ebadc2e87ec39edd2aafe176c"},"schema_version":"1.0"},"canonical_sha256":"bd8a479995159372b79458f5da6b80666303429c92a390156d31e1616eaf155b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:29.238243Z","signature_b64":"vIGxD8r0H4i3xjsZb/hAWRQMUvriyMlpNt8QDD6tdczS47N68sJpnwIDWnff8uifI2vdgAlq19BBDgLWNuu4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd8a479995159372b79458f5da6b80666303429c92a390156d31e1616eaf155b","last_reissued_at":"2026-05-18T00:40:29.237707Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:29.237707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.03363","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":"2026-05-18T00:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o1SXQyhAK41caTD2BYu9FOOwmYMqC6ip7b5RumKQalfG4MIiIxupXfRisBkSjUJZJyatjRgmEOnN4+3wkT49Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:37:16.552665Z"},"content_sha256":"683502d087cc0bec888eb1cf3f8e7190f4661106094a57bb111133f2053018a3","schema_version":"1.0","event_id":"sha256:683502d087cc0bec888eb1cf3f8e7190f4661106094a57bb111133f2053018a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XWFEPGMVCWJXFN4ULD25U24AMZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The effect of self- and cross-phase modulation on photon-pairs generated by spontaneous four-wave mixing in integrated optical waveguides","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Gary F. Sinclair, Mark G. Thompson","submitted_at":"2017-07-11T17:05:20Z","abstract_excerpt":"A novel time-domain approach using the momentum operator is used to model spontaneous four-wave mixing in a lossless nonlinear waveguide. The effects of self- and cross-phase modulation on the photon-pair production rate and heralded photon purity are investigated. We show that in the special case where only one half of the photon-pair state is filtered that the generation rate and purity of the heralded photons are unmodified by the presence of self- and cross-phase modulation. The significance of this special case arises when we consider heralded single-photon sources, where future schemes a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.03363","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":"2026-05-18T00:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KM1Yclp4eW11jHiwB+Ldw/9qYWQb08wrVBw35hqOTCR+0thiVTUEfaZGjKrI5NE3NB0SzZ62poWA/znP9kwSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:37:16.553348Z"},"content_sha256":"f7f6293b6aeb58e9878f03415ab2001faaa7b82a196062b8769da2455f9de592","schema_version":"1.0","event_id":"sha256:f7f6293b6aeb58e9878f03415ab2001faaa7b82a196062b8769da2455f9de592"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWFEPGMVCWJXFN4ULD25U24AMZ/bundle.json","state_url":"https://pith.science/pith/XWFEPGMVCWJXFN4ULD25U24AMZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWFEPGMVCWJXFN4ULD25U24AMZ/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":"2026-05-30T10:37:16Z","links":{"resolver":"https://pith.science/pith/XWFEPGMVCWJXFN4ULD25U24AMZ","bundle":"https://pith.science/pith/XWFEPGMVCWJXFN4ULD25U24AMZ/bundle.json","state":"https://pith.science/pith/XWFEPGMVCWJXFN4ULD25U24AMZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWFEPGMVCWJXFN4ULD25U24AMZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XWFEPGMVCWJXFN4ULD25U24AMZ","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":"9524e615bfd236c745531b97ac89fa0b6f641d0ebadc2e87ec39edd2aafe176c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-07-11T17:05:20Z","title_canon_sha256":"c798c7a0f73fbcd91ee70036d8f7c3145ea03961c53cdfdac632ec430993710f"},"schema_version":"1.0","source":{"id":"1707.03363","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.03363","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"1707.03363v1","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.03363","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"XWFEPGMVCWJX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XWFEPGMVCWJXFN4U","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XWFEPGMV","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:f7f6293b6aeb58e9878f03415ab2001faaa7b82a196062b8769da2455f9de592","target":"graph","created_at":"2026-05-18T00:40:29Z","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":"A novel time-domain approach using the momentum operator is used to model spontaneous four-wave mixing in a lossless nonlinear waveguide. The effects of self- and cross-phase modulation on the photon-pair production rate and heralded photon purity are investigated. We show that in the special case where only one half of the photon-pair state is filtered that the generation rate and purity of the heralded photons are unmodified by the presence of self- and cross-phase modulation. The significance of this special case arises when we consider heralded single-photon sources, where future schemes a","authors_text":"Gary F. Sinclair, Mark G. Thompson","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-07-11T17:05:20Z","title":"The effect of self- and cross-phase modulation on photon-pairs generated by spontaneous four-wave mixing in integrated optical waveguides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.03363","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":"sha256:683502d087cc0bec888eb1cf3f8e7190f4661106094a57bb111133f2053018a3","target":"record","created_at":"2026-05-18T00:40:29Z","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":"9524e615bfd236c745531b97ac89fa0b6f641d0ebadc2e87ec39edd2aafe176c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-07-11T17:05:20Z","title_canon_sha256":"c798c7a0f73fbcd91ee70036d8f7c3145ea03961c53cdfdac632ec430993710f"},"schema_version":"1.0","source":{"id":"1707.03363","kind":"arxiv","version":1}},"canonical_sha256":"bd8a479995159372b79458f5da6b80666303429c92a390156d31e1616eaf155b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd8a479995159372b79458f5da6b80666303429c92a390156d31e1616eaf155b","first_computed_at":"2026-05-18T00:40:29.237707Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:29.237707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vIGxD8r0H4i3xjsZb/hAWRQMUvriyMlpNt8QDD6tdczS47N68sJpnwIDWnff8uifI2vdgAlq19BBDgLWNuu4Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:29.238243Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.03363","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:683502d087cc0bec888eb1cf3f8e7190f4661106094a57bb111133f2053018a3","sha256:f7f6293b6aeb58e9878f03415ab2001faaa7b82a196062b8769da2455f9de592"],"state_sha256":"679d60119f28f54b0b823daac419e15dfcf65406d6c5452d11e50bf1f658f9f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AhHDKBcQdqqyR5uiK24FRQUouFSob791ix18vwNvskMkzInJmRgddyqYRx4c2OB89LkIAXbHjYCPasfqFRkCCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T10:37:16.556629Z","bundle_sha256":"202220ba8950738b4a7cb8cba9dba6ae06798115bbde415747e7288d4facf955"}}