{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:QG47D5ICD4KDCO5GQ56QYMYVVY","short_pith_number":"pith:QG47D5IC","canonical_record":{"source":{"id":"2507.02460","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-07-03T09:17:44Z","cross_cats_sorted":[],"title_canon_sha256":"5015f19734998a1ea4cd3e76ddf101d95c1a93577ce18125270f8dbfdc776e8d","abstract_canon_sha256":"8af32fdac51f39659d86e45b504a2cb13a0ab3d47bdec4098174d72f3c8472a0"},"schema_version":"1.0"},"canonical_sha256":"81b9f1f5021f14313ba6877d0c3315ae2c4ebd2c02036d83f56f84d51476ab4c","source":{"kind":"arxiv","id":"2507.02460","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02460","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02460v1","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02460","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"pith_short_12","alias_value":"QG47D5ICD4KD","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"QG47D5ICD4KDCO5G","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"QG47D5IC","created_at":"2026-07-05T11:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:QG47D5ICD4KDCO5GQ56QYMYVVY","target":"record","payload":{"canonical_record":{"source":{"id":"2507.02460","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-07-03T09:17:44Z","cross_cats_sorted":[],"title_canon_sha256":"5015f19734998a1ea4cd3e76ddf101d95c1a93577ce18125270f8dbfdc776e8d","abstract_canon_sha256":"8af32fdac51f39659d86e45b504a2cb13a0ab3d47bdec4098174d72f3c8472a0"},"schema_version":"1.0"},"canonical_sha256":"81b9f1f5021f14313ba6877d0c3315ae2c4ebd2c02036d83f56f84d51476ab4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:31:18.727020Z","signature_b64":"CY2XkZql75UysZpewsgZ+Fbq1jiesE0CLhKdOB+FMNokUMqJF0JgZa0XA7XInnAfZz2C6mfqrbB5Qz45i3UtBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81b9f1f5021f14313ba6877d0c3315ae2c4ebd2c02036d83f56f84d51476ab4c","last_reissued_at":"2026-07-05T11:31:18.726560Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:31:18.726560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.02460","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":"2026-07-05T11:31:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2BQ0B13cJ2GicBP/xur/HAjQ2RsJ8PsO7btozC0/dxhgyApjrr+me1YM07NCWZVyf1Qj/CVWFu9VtRB+At4zAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T04:44:16.447769Z"},"content_sha256":"cd51c2823ffcb16d6833d106c7294b7d60db70641245a052c4866f549a1aca00","schema_version":"1.0","event_id":"sha256:cd51c2823ffcb16d6833d106c7294b7d60db70641245a052c4866f549a1aca00"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:QG47D5ICD4KDCO5GQ56QYMYVVY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing Photon Indistinguishability of Spectrally Mismatched Single Photons by Cavity Floquet Engineering","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C.H. Li, C.Y. Jin, F. Liu, H.H. Zhu, J.W. Yu, X.Q. Zhou, X.T. Cheng, Y. Zhao, Z.B. Ni","submitted_at":"2025-07-03T09:17:44Z","abstract_excerpt":"We theoretically propose a scheme to enhance the photon indistinguishability of spectrally mismatched single photons via Floquet-engineered optical frequency combs (OFCs) in cavity quantum electrodynamic systems. By periodically modulating two distinct single-photon states under a modulation frequency which is exactly equal to the spectral mismatch of two cavity modes, a pair of single-photon frequency-comb (SPFC) states is prepared energy-conservatively based on full unitary operations. The two states show high indistinguishability with an ideal $g^{(2)}_\\mathrm{HOM}(0)$ down to zero due to t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02460","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.02460/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:31:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CwQuFUqxIykWmQV9si297Q6MxYvQ4lsLjP6Gbky+sxTjlXhIgXf5SCoIKaElDwDXcawfdJN88Tv+hDhPcIh4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T04:44:16.448852Z"},"content_sha256":"0b6e62bbcf5c9ccebaf688f0f4ceec9596afda4f73aadb06cfb3831a52956661","schema_version":"1.0","event_id":"sha256:0b6e62bbcf5c9ccebaf688f0f4ceec9596afda4f73aadb06cfb3831a52956661"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QG47D5ICD4KDCO5GQ56QYMYVVY/bundle.json","state_url":"https://pith.science/pith/QG47D5ICD4KDCO5GQ56QYMYVVY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QG47D5ICD4KDCO5GQ56QYMYVVY/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":"2026-08-17T04:44:16Z","links":{"resolver":"https://pith.science/pith/QG47D5ICD4KDCO5GQ56QYMYVVY","bundle":"https://pith.science/pith/QG47D5ICD4KDCO5GQ56QYMYVVY/bundle.json","state":"https://pith.science/pith/QG47D5ICD4KDCO5GQ56QYMYVVY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QG47D5ICD4KDCO5GQ56QYMYVVY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QG47D5ICD4KDCO5GQ56QYMYVVY","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":"8af32fdac51f39659d86e45b504a2cb13a0ab3d47bdec4098174d72f3c8472a0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-07-03T09:17:44Z","title_canon_sha256":"5015f19734998a1ea4cd3e76ddf101d95c1a93577ce18125270f8dbfdc776e8d"},"schema_version":"1.0","source":{"id":"2507.02460","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02460","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02460v1","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02460","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"pith_short_12","alias_value":"QG47D5ICD4KD","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"QG47D5ICD4KDCO5G","created_at":"2026-07-05T11:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"QG47D5IC","created_at":"2026-07-05T11:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:0b6e62bbcf5c9ccebaf688f0f4ceec9596afda4f73aadb06cfb3831a52956661","target":"graph","created_at":"2026-07-05T11:31:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2507.02460/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We theoretically propose a scheme to enhance the photon indistinguishability of spectrally mismatched single photons via Floquet-engineered optical frequency combs (OFCs) in cavity quantum electrodynamic systems. By periodically modulating two distinct single-photon states under a modulation frequency which is exactly equal to the spectral mismatch of two cavity modes, a pair of single-photon frequency-comb (SPFC) states is prepared energy-conservatively based on full unitary operations. The two states show high indistinguishability with an ideal $g^{(2)}_\\mathrm{HOM}(0)$ down to zero due to t","authors_text":"C.H. Li, C.Y. Jin, F. Liu, H.H. Zhu, J.W. Yu, X.Q. Zhou, X.T. Cheng, Y. Zhao, Z.B. Ni","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-07-03T09:17:44Z","title":"Enhancing Photon Indistinguishability of Spectrally Mismatched Single Photons by Cavity Floquet Engineering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02460","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:cd51c2823ffcb16d6833d106c7294b7d60db70641245a052c4866f549a1aca00","target":"record","created_at":"2026-07-05T11:31:18Z","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":"8af32fdac51f39659d86e45b504a2cb13a0ab3d47bdec4098174d72f3c8472a0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-07-03T09:17:44Z","title_canon_sha256":"5015f19734998a1ea4cd3e76ddf101d95c1a93577ce18125270f8dbfdc776e8d"},"schema_version":"1.0","source":{"id":"2507.02460","kind":"arxiv","version":1}},"canonical_sha256":"81b9f1f5021f14313ba6877d0c3315ae2c4ebd2c02036d83f56f84d51476ab4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81b9f1f5021f14313ba6877d0c3315ae2c4ebd2c02036d83f56f84d51476ab4c","first_computed_at":"2026-07-05T11:31:18.726560Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:31:18.726560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CY2XkZql75UysZpewsgZ+Fbq1jiesE0CLhKdOB+FMNokUMqJF0JgZa0XA7XInnAfZz2C6mfqrbB5Qz45i3UtBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:31:18.727020Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.02460","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd51c2823ffcb16d6833d106c7294b7d60db70641245a052c4866f549a1aca00","sha256:0b6e62bbcf5c9ccebaf688f0f4ceec9596afda4f73aadb06cfb3831a52956661"],"state_sha256":"663635de1cefd40ef968ffddf911f82ad51035c9d219e216416de4999fe433a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dtaX3YhijZq/aqbzXgfnNk3W/luj5lvowX9ee7quk2rxBVh+XMbeKuMX9b3KhkieVcftPZybVcoqdEmjdJk8Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T04:44:16.463067Z","bundle_sha256":"ebc7853fb665bee5865d182e3e239268ac43e360c5a8fd553ed268edf01e74df"}}