{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DNB7RVGNOQ5T3MSXFDECQLXOKV","short_pith_number":"pith:DNB7RVGN","canonical_record":{"source":{"id":"1807.07224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-19T02:58:55Z","cross_cats_sorted":[],"title_canon_sha256":"214ff960abca27c3a3b10bba6d0a402c48c5386f345e2b5421c8e46008a4a5af","abstract_canon_sha256":"0bae0d23a2ba200ede0e01a7721a79f68821505c2e0dde9cd32194c3eec354e1"},"schema_version":"1.0"},"canonical_sha256":"1b43f8d4cd743b3db25728c8282eee5562e4ad9e2f91326d3a81bcdc74051813","source":{"kind":"arxiv","id":"1807.07224","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.07224","created_at":"2026-05-17T23:55:55Z"},{"alias_kind":"arxiv_version","alias_value":"1807.07224v1","created_at":"2026-05-17T23:55:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.07224","created_at":"2026-05-17T23:55:55Z"},{"alias_kind":"pith_short_12","alias_value":"DNB7RVGNOQ5T","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DNB7RVGNOQ5T3MSX","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DNB7RVGN","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DNB7RVGNOQ5T3MSXFDECQLXOKV","target":"record","payload":{"canonical_record":{"source":{"id":"1807.07224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-19T02:58:55Z","cross_cats_sorted":[],"title_canon_sha256":"214ff960abca27c3a3b10bba6d0a402c48c5386f345e2b5421c8e46008a4a5af","abstract_canon_sha256":"0bae0d23a2ba200ede0e01a7721a79f68821505c2e0dde9cd32194c3eec354e1"},"schema_version":"1.0"},"canonical_sha256":"1b43f8d4cd743b3db25728c8282eee5562e4ad9e2f91326d3a81bcdc74051813","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:55.978623Z","signature_b64":"la7fxBq8AUDBkWb3F4tyJHOiKhgc8/JpAOK2UG/vqiSyfwCct6dI2vCiwtmTIVorNea7Y7gUykjZb6nzTK0PAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b43f8d4cd743b3db25728c8282eee5562e4ad9e2f91326d3a81bcdc74051813","last_reissued_at":"2026-05-17T23:55:55.977900Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:55.977900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.07224","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":"2026-05-17T23:55:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VzwuUSKY7nt0MniTKtLASGhIERJ/eiNn5Rwtgiiq0aNkWGsibI/ciIaWPsYnifbU9j5rQ/o5cmFA1BXevoHNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:08:02.166294Z"},"content_sha256":"260b345d45e14108a4fe015d11dcad054f5835bcb778166eb10674e30edab796","schema_version":"1.0","event_id":"sha256:260b345d45e14108a4fe015d11dcad054f5835bcb778166eb10674e30edab796"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DNB7RVGNOQ5T3MSXFDECQLXOKV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Passive, deterministic photonic CPHASE gate via two-level systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Julio Gea-Banacloche, William Konyk","submitted_at":"2018-07-19T02:58:55Z","abstract_excerpt":"We show that an array of identical two level systems coupled losslessly to a one dimensional waveguide is able to realize a high fidelity conditional phase shift useful for quantum logic. We propose two arrangements of emitters (one that relies on direct interactions between the emitters, and one that does not), and describe possible physical realizations and limitations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.07224","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":"2026-05-17T23:55:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x3jUn45ieRxoI5BxS/sDBJCUnQ2nq0+lwW5mOjL32MG/D0sXil5SLBpf6D+mX70L+gm5xJ7Oe6iOc49gBslADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:08:02.166765Z"},"content_sha256":"3cde08d57b0890c6964ebe94fe94a4657953f82798b339699659975120ee18ee","schema_version":"1.0","event_id":"sha256:3cde08d57b0890c6964ebe94fe94a4657953f82798b339699659975120ee18ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DNB7RVGNOQ5T3MSXFDECQLXOKV/bundle.json","state_url":"https://pith.science/pith/DNB7RVGNOQ5T3MSXFDECQLXOKV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DNB7RVGNOQ5T3MSXFDECQLXOKV/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":"2026-05-26T09:08:02Z","links":{"resolver":"https://pith.science/pith/DNB7RVGNOQ5T3MSXFDECQLXOKV","bundle":"https://pith.science/pith/DNB7RVGNOQ5T3MSXFDECQLXOKV/bundle.json","state":"https://pith.science/pith/DNB7RVGNOQ5T3MSXFDECQLXOKV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DNB7RVGNOQ5T3MSXFDECQLXOKV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DNB7RVGNOQ5T3MSXFDECQLXOKV","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":"0bae0d23a2ba200ede0e01a7721a79f68821505c2e0dde9cd32194c3eec354e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-19T02:58:55Z","title_canon_sha256":"214ff960abca27c3a3b10bba6d0a402c48c5386f345e2b5421c8e46008a4a5af"},"schema_version":"1.0","source":{"id":"1807.07224","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.07224","created_at":"2026-05-17T23:55:55Z"},{"alias_kind":"arxiv_version","alias_value":"1807.07224v1","created_at":"2026-05-17T23:55:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.07224","created_at":"2026-05-17T23:55:55Z"},{"alias_kind":"pith_short_12","alias_value":"DNB7RVGNOQ5T","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DNB7RVGNOQ5T3MSX","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DNB7RVGN","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:3cde08d57b0890c6964ebe94fe94a4657953f82798b339699659975120ee18ee","target":"graph","created_at":"2026-05-17T23:55:55Z","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 show that an array of identical two level systems coupled losslessly to a one dimensional waveguide is able to realize a high fidelity conditional phase shift useful for quantum logic. We propose two arrangements of emitters (one that relies on direct interactions between the emitters, and one that does not), and describe possible physical realizations and limitations.","authors_text":"Julio Gea-Banacloche, William Konyk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-19T02:58:55Z","title":"Passive, deterministic photonic CPHASE gate via two-level systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.07224","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":"sha256:260b345d45e14108a4fe015d11dcad054f5835bcb778166eb10674e30edab796","target":"record","created_at":"2026-05-17T23:55:55Z","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":"0bae0d23a2ba200ede0e01a7721a79f68821505c2e0dde9cd32194c3eec354e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-19T02:58:55Z","title_canon_sha256":"214ff960abca27c3a3b10bba6d0a402c48c5386f345e2b5421c8e46008a4a5af"},"schema_version":"1.0","source":{"id":"1807.07224","kind":"arxiv","version":1}},"canonical_sha256":"1b43f8d4cd743b3db25728c8282eee5562e4ad9e2f91326d3a81bcdc74051813","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b43f8d4cd743b3db25728c8282eee5562e4ad9e2f91326d3a81bcdc74051813","first_computed_at":"2026-05-17T23:55:55.977900Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:55.977900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"la7fxBq8AUDBkWb3F4tyJHOiKhgc8/JpAOK2UG/vqiSyfwCct6dI2vCiwtmTIVorNea7Y7gUykjZb6nzTK0PAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:55.978623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.07224","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:260b345d45e14108a4fe015d11dcad054f5835bcb778166eb10674e30edab796","sha256:3cde08d57b0890c6964ebe94fe94a4657953f82798b339699659975120ee18ee"],"state_sha256":"f721b3c2ecfaac273c98991cc7d626b3939e0741d1d74fef9b9bfd55e15ba73c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHMyHV/Fx52T7kJz5AxE0kNmo/JZU1i0BwSQxoIVoClNKw0eP2jhddM8yKxcFoUMuHh8at+R41TyBvqveHyoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:08:02.169542Z","bundle_sha256":"1482f9e48afe571ce5fd87d07987433706574731ffb2c0dc8d70411ccd9609bd"}}