{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WMFKFBNWXJEB2Q7FVJPNIJOLYK","short_pith_number":"pith:WMFKFBNW","canonical_record":{"source":{"id":"1403.6340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-25T13:38:46Z","cross_cats_sorted":[],"title_canon_sha256":"2dd55e462466b82b4e5c098dc5c74529e7e406b1903dcb51d4487e389a378370","abstract_canon_sha256":"7e34d289dd761def4cc4e1fefd5097d9469fd0261daef30df5a2be58a2a976a5"},"schema_version":"1.0"},"canonical_sha256":"b30aa285b6ba481d43e5aa5ed425cbc29ee8221b45b63908080e80b6efb72257","source":{"kind":"arxiv","id":"1403.6340","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.6340","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"arxiv_version","alias_value":"1403.6340v2","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.6340","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"pith_short_12","alias_value":"WMFKFBNWXJEB","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WMFKFBNWXJEB2Q7F","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WMFKFBNW","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WMFKFBNWXJEB2Q7FVJPNIJOLYK","target":"record","payload":{"canonical_record":{"source":{"id":"1403.6340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-25T13:38:46Z","cross_cats_sorted":[],"title_canon_sha256":"2dd55e462466b82b4e5c098dc5c74529e7e406b1903dcb51d4487e389a378370","abstract_canon_sha256":"7e34d289dd761def4cc4e1fefd5097d9469fd0261daef30df5a2be58a2a976a5"},"schema_version":"1.0"},"canonical_sha256":"b30aa285b6ba481d43e5aa5ed425cbc29ee8221b45b63908080e80b6efb72257","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:06.221405Z","signature_b64":"faf4ocrYaZPecZsPAGzfMuBWv6GUFgUCS0Eecj2LMGiqCGe8a0tWUewwxtrZR3QBKmWPb60tDPp+VSQDL2Z7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b30aa285b6ba481d43e5aa5ed425cbc29ee8221b45b63908080e80b6efb72257","last_reissued_at":"2026-05-18T02:32:06.220954Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:06.220954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.6340","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":"2026-05-18T02:32:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J/m2oSQW3bQAqmrPhLbMMmfL16Qpwqjn0Q3I9fu1ucE5XjvYZS/b88FYlymrlbldOCLbEZhu4mTjwHZWy3wGDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T19:36:54.093798Z"},"content_sha256":"fdd5671e5ec8140652e2274656620b4da0997acad118d3de909488764c2929d1","schema_version":"1.0","event_id":"sha256:fdd5671e5ec8140652e2274656620b4da0997acad118d3de909488764c2929d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WMFKFBNWXJEB2Q7FVJPNIJOLYK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feasibility of single-photon cross-phase modulation using metastable xenon in a high finesse cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"B. T. Kirby, G. T. Hickman, J. D. Franson, T. B. Pittman","submitted_at":"2014-03-25T13:38:46Z","abstract_excerpt":"Cross-phase modulation at the single-photon level has a wide variety of fundamental applications in quantum optics including the generation of macroscopic entangled states. Here we describe a practical method for producing a weak cross-phase modulation at the single-photon level using metastable xenon in a high finesse cavity. We estimate the achievable phase shift and give a brief update on the experimental progress towards its realization. A single-photon cross-phase modulation of approximately 20 milliradians is predicted by both a straightforward perturbation theory calculation and a numer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.6340","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":"2026-05-18T02:32:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HU9aBPWjEC4in2bjnIYWGSkh6DnxGStEZ+jPSATyAkX0hTgSUniVWaFDqtg+KPlJ7ag8BtkoqWhewuV9IDnqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T19:36:54.094137Z"},"content_sha256":"32b61bb019dda14bbc8d6ec61c63e0c39244da0fa1ccacee2e4395622feed16b","schema_version":"1.0","event_id":"sha256:32b61bb019dda14bbc8d6ec61c63e0c39244da0fa1ccacee2e4395622feed16b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WMFKFBNWXJEB2Q7FVJPNIJOLYK/bundle.json","state_url":"https://pith.science/pith/WMFKFBNWXJEB2Q7FVJPNIJOLYK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WMFKFBNWXJEB2Q7FVJPNIJOLYK/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":"2026-06-20T19:36:54Z","links":{"resolver":"https://pith.science/pith/WMFKFBNWXJEB2Q7FVJPNIJOLYK","bundle":"https://pith.science/pith/WMFKFBNWXJEB2Q7FVJPNIJOLYK/bundle.json","state":"https://pith.science/pith/WMFKFBNWXJEB2Q7FVJPNIJOLYK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WMFKFBNWXJEB2Q7FVJPNIJOLYK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WMFKFBNWXJEB2Q7FVJPNIJOLYK","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":"7e34d289dd761def4cc4e1fefd5097d9469fd0261daef30df5a2be58a2a976a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-25T13:38:46Z","title_canon_sha256":"2dd55e462466b82b4e5c098dc5c74529e7e406b1903dcb51d4487e389a378370"},"schema_version":"1.0","source":{"id":"1403.6340","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.6340","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"arxiv_version","alias_value":"1403.6340v2","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.6340","created_at":"2026-05-18T02:32:06Z"},{"alias_kind":"pith_short_12","alias_value":"WMFKFBNWXJEB","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WMFKFBNWXJEB2Q7F","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WMFKFBNW","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:32b61bb019dda14bbc8d6ec61c63e0c39244da0fa1ccacee2e4395622feed16b","target":"graph","created_at":"2026-05-18T02:32:06Z","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":"Cross-phase modulation at the single-photon level has a wide variety of fundamental applications in quantum optics including the generation of macroscopic entangled states. Here we describe a practical method for producing a weak cross-phase modulation at the single-photon level using metastable xenon in a high finesse cavity. We estimate the achievable phase shift and give a brief update on the experimental progress towards its realization. A single-photon cross-phase modulation of approximately 20 milliradians is predicted by both a straightforward perturbation theory calculation and a numer","authors_text":"B. T. Kirby, G. T. Hickman, J. D. Franson, T. B. Pittman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-25T13:38:46Z","title":"Feasibility of single-photon cross-phase modulation using metastable xenon in a high finesse cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.6340","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:fdd5671e5ec8140652e2274656620b4da0997acad118d3de909488764c2929d1","target":"record","created_at":"2026-05-18T02:32:06Z","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":"7e34d289dd761def4cc4e1fefd5097d9469fd0261daef30df5a2be58a2a976a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-25T13:38:46Z","title_canon_sha256":"2dd55e462466b82b4e5c098dc5c74529e7e406b1903dcb51d4487e389a378370"},"schema_version":"1.0","source":{"id":"1403.6340","kind":"arxiv","version":2}},"canonical_sha256":"b30aa285b6ba481d43e5aa5ed425cbc29ee8221b45b63908080e80b6efb72257","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b30aa285b6ba481d43e5aa5ed425cbc29ee8221b45b63908080e80b6efb72257","first_computed_at":"2026-05-18T02:32:06.220954Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:06.220954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"faf4ocrYaZPecZsPAGzfMuBWv6GUFgUCS0Eecj2LMGiqCGe8a0tWUewwxtrZR3QBKmWPb60tDPp+VSQDL2Z7Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:06.221405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.6340","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fdd5671e5ec8140652e2274656620b4da0997acad118d3de909488764c2929d1","sha256:32b61bb019dda14bbc8d6ec61c63e0c39244da0fa1ccacee2e4395622feed16b"],"state_sha256":"e20b175ff3596065da11841cef4866b93d654c8f76b774ab0111cf1f0af66c29"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w2UL8NVoU1UZeJAzqqz5Y3fQX0cas1Cv5j+Ne0kAwotLrb4n/JcfnueEF4e/Bs2Xmoh9iGKKpD8/3D1udYPbDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T19:36:54.096245Z","bundle_sha256":"4fe98a6c071344d5c5125ec0abf0638ba21b1bfcd3a2504f4d37ca7cf8e50c28"}}