{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QYNKTWPJI3PFBSVUGHZLQ32HQ7","short_pith_number":"pith:QYNKTWPJ","canonical_record":{"source":{"id":"1808.09298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-28T13:50:09Z","cross_cats_sorted":[],"title_canon_sha256":"89fcf68767881744cb15298140ae2ec1bd4d00994ec057319ce7062eeb21cc38","abstract_canon_sha256":"4db65e9c2bc201067b19edd19d6bfec5bd8aa9537c19b6d2c3aedb6771f911cd"},"schema_version":"1.0"},"canonical_sha256":"861aa9d9e946de50cab431f2b86f4787fbfc3984c4a1305628195db926582084","source":{"kind":"arxiv","id":"1808.09298","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09298","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09298v1","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09298","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"QYNKTWPJI3PF","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"QYNKTWPJI3PFBSVU","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"QYNKTWPJ","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QYNKTWPJI3PFBSVUGHZLQ32HQ7","target":"record","payload":{"canonical_record":{"source":{"id":"1808.09298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-28T13:50:09Z","cross_cats_sorted":[],"title_canon_sha256":"89fcf68767881744cb15298140ae2ec1bd4d00994ec057319ce7062eeb21cc38","abstract_canon_sha256":"4db65e9c2bc201067b19edd19d6bfec5bd8aa9537c19b6d2c3aedb6771f911cd"},"schema_version":"1.0"},"canonical_sha256":"861aa9d9e946de50cab431f2b86f4787fbfc3984c4a1305628195db926582084","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:27.878626Z","signature_b64":"C5VxaD0GaUJFQCys0hh2fV/pJlTV4FQFBus86eqgq7wN8QxEZK4brywGUlw7JDt7g9F250Jt7MbYbLE6EP74BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"861aa9d9e946de50cab431f2b86f4787fbfc3984c4a1305628195db926582084","last_reissued_at":"2026-05-18T00:05:27.877959Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:27.877959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.09298","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":"2026-05-18T00:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"raPYAmGeaEJVcfuoMuKw8dC5wdIl0jpUS5HCh5mGLs/o60lt2OCcIL5YDqzcdZNh+gX1o80PtSemnUjD7ELtCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:47:21.862206Z"},"content_sha256":"e8a4f224011593550bf461c73d995d79b3a2db28bd4e9d26d14fc47bf594ee69","schema_version":"1.0","event_id":"sha256:e8a4f224011593550bf461c73d995d79b3a2db28bd4e9d26d14fc47bf594ee69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QYNKTWPJI3PFBSVUGHZLQ32HQ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic-Disorder-Induced Enhancement of Entanglement in Photonic Quantum Walks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chuan-Feng Li, Geng Chen, Guang-Can Guo, Jin-Shi Xu, Kai Sun, Qin-Qin Wang, Wei-Wei Pan, Xiao-Ye Xu, Yong-Jian Han","submitted_at":"2018-08-28T13:50:09Z","abstract_excerpt":"Entanglement generation in discrete time quantum walks is deemed to be another key property beyond the transport behaviors. The latter has been widely used in investigating the localization or topology in quantum walks. However, there are few experiments involving the former for the challenges in full reconstruction of the final wave function. Here, we report an experiment demonstrating the enhancement of the entanglement in quantum walks using dynamic disorder. Through reconstructing the local spinor state for each site, von Neumann entropy can be obtained and used to quantify the coin-positi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09298","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":"2026-05-18T00:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5uLwwqJqugPZkbfC6dyc3aOXlTfqzHgc95CuVXTRRkvzR56WMZ94DjJHRGtl+y0UD5b/e6hGl9xbyUjJ9r0PAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:47:21.862873Z"},"content_sha256":"017877cef42899b222660fa9f333cfd883e8b03ff8c5473ecbb342992312cd2e","schema_version":"1.0","event_id":"sha256:017877cef42899b222660fa9f333cfd883e8b03ff8c5473ecbb342992312cd2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QYNKTWPJI3PFBSVUGHZLQ32HQ7/bundle.json","state_url":"https://pith.science/pith/QYNKTWPJI3PFBSVUGHZLQ32HQ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QYNKTWPJI3PFBSVUGHZLQ32HQ7/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":"2026-06-01T02:47:21Z","links":{"resolver":"https://pith.science/pith/QYNKTWPJI3PFBSVUGHZLQ32HQ7","bundle":"https://pith.science/pith/QYNKTWPJI3PFBSVUGHZLQ32HQ7/bundle.json","state":"https://pith.science/pith/QYNKTWPJI3PFBSVUGHZLQ32HQ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QYNKTWPJI3PFBSVUGHZLQ32HQ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QYNKTWPJI3PFBSVUGHZLQ32HQ7","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":"4db65e9c2bc201067b19edd19d6bfec5bd8aa9537c19b6d2c3aedb6771f911cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-28T13:50:09Z","title_canon_sha256":"89fcf68767881744cb15298140ae2ec1bd4d00994ec057319ce7062eeb21cc38"},"schema_version":"1.0","source":{"id":"1808.09298","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09298","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09298v1","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09298","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"QYNKTWPJI3PF","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"QYNKTWPJI3PFBSVU","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"QYNKTWPJ","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:017877cef42899b222660fa9f333cfd883e8b03ff8c5473ecbb342992312cd2e","target":"graph","created_at":"2026-05-18T00:05:27Z","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":"Entanglement generation in discrete time quantum walks is deemed to be another key property beyond the transport behaviors. The latter has been widely used in investigating the localization or topology in quantum walks. However, there are few experiments involving the former for the challenges in full reconstruction of the final wave function. Here, we report an experiment demonstrating the enhancement of the entanglement in quantum walks using dynamic disorder. Through reconstructing the local spinor state for each site, von Neumann entropy can be obtained and used to quantify the coin-positi","authors_text":"Chuan-Feng Li, Geng Chen, Guang-Can Guo, Jin-Shi Xu, Kai Sun, Qin-Qin Wang, Wei-Wei Pan, Xiao-Ye Xu, Yong-Jian Han","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-28T13:50:09Z","title":"Dynamic-Disorder-Induced Enhancement of Entanglement in Photonic Quantum Walks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09298","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:e8a4f224011593550bf461c73d995d79b3a2db28bd4e9d26d14fc47bf594ee69","target":"record","created_at":"2026-05-18T00:05:27Z","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":"4db65e9c2bc201067b19edd19d6bfec5bd8aa9537c19b6d2c3aedb6771f911cd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-28T13:50:09Z","title_canon_sha256":"89fcf68767881744cb15298140ae2ec1bd4d00994ec057319ce7062eeb21cc38"},"schema_version":"1.0","source":{"id":"1808.09298","kind":"arxiv","version":1}},"canonical_sha256":"861aa9d9e946de50cab431f2b86f4787fbfc3984c4a1305628195db926582084","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"861aa9d9e946de50cab431f2b86f4787fbfc3984c4a1305628195db926582084","first_computed_at":"2026-05-18T00:05:27.877959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:27.877959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C5VxaD0GaUJFQCys0hh2fV/pJlTV4FQFBus86eqgq7wN8QxEZK4brywGUlw7JDt7g9F250Jt7MbYbLE6EP74BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:27.878626Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.09298","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8a4f224011593550bf461c73d995d79b3a2db28bd4e9d26d14fc47bf594ee69","sha256:017877cef42899b222660fa9f333cfd883e8b03ff8c5473ecbb342992312cd2e"],"state_sha256":"af7d24dda273ad3ab27765a8c26eb7b6d81ab507c1f8105bdb8685638be99daf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2VtPn+x6AmYVy+gN6ocYyqOl/BBP3OrDk1HoraHaMHQ5dUuk4CakeiwO52oLdqVIq7bLG2iwczvrA2eYToZLCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:47:21.866058Z","bundle_sha256":"352f4ffbf611086b4e26eb918973816ac3db4eb5da01b8078fdd8dbe2296a540"}}