{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:YBYGLADQ6S7NMTWDIS4OTISHXA","short_pith_number":"pith:YBYGLADQ","schema_version":"1.0","canonical_sha256":"c070658070f4bed64ec344b8e9a247b83b511027c6fff831500b33a2d2b00ed8","source":{"kind":"arxiv","id":"1704.08242","version":2},"attestation_state":"computed","paper":{"title":"Experimental Two-dimensional Quantum Walk on a Photonic Chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"quant-ph","authors_text":"Ai-Lin Yang, Chao-Yue Wang, Hao Tang, Jing-Yuan Chen, Jun Gao, Ke Sun, Lu-Feng Qiao, Peng-Cheng Lai, Xian-Min Jin, Xiao-Feng Lin, Xiao-Yun Xu, Yao Wang, Zhen Feng","submitted_at":"2017-04-26T17:57:09Z","abstract_excerpt":"Quantum walks, in virtue of the coherent superposition and quantum interference, possess exponential superiority over its classical counterpart in applications of quantum searching and quantum simulation. The quantum enhanced power is highly related to the state space of quantum walks, which can be expanded by enlarging the photon number and/or the dimensions of the evolution network, but the former is considerably challenging due to probabilistic generation of single photons and multiplicative loss. Here we demonstrate a two-dimensional continuous-time quantum walk by using the external geome"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1704.08242","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-04-26T17:57:09Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"1f03a1c9dc92cf2de9194673b6efa3bd55cf35a69049ce30e38a9958ec50300e","abstract_canon_sha256":"0992907c8e8d1f646879f73a7486da768dbc27bc6201135c0d7e31cf464bbc85"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:47.364207Z","signature_b64":"vq1u9f032Art/yM4msyMfUWdnr65HLzwR6Fapoo2bIKwnfaR+4/xivGD0pqA2oyhGgePvmLOfhb7rS6C/OiWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c070658070f4bed64ec344b8e9a247b83b511027c6fff831500b33a2d2b00ed8","last_reissued_at":"2026-05-18T00:15:47.363551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:47.363551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental Two-dimensional Quantum Walk on a Photonic Chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"quant-ph","authors_text":"Ai-Lin Yang, Chao-Yue Wang, Hao Tang, Jing-Yuan Chen, Jun Gao, Ke Sun, Lu-Feng Qiao, Peng-Cheng Lai, Xian-Min Jin, Xiao-Feng Lin, Xiao-Yun Xu, Yao Wang, Zhen Feng","submitted_at":"2017-04-26T17:57:09Z","abstract_excerpt":"Quantum walks, in virtue of the coherent superposition and quantum interference, possess exponential superiority over its classical counterpart in applications of quantum searching and quantum simulation. The quantum enhanced power is highly related to the state space of quantum walks, which can be expanded by enlarging the photon number and/or the dimensions of the evolution network, but the former is considerably challenging due to probabilistic generation of single photons and multiplicative loss. Here we demonstrate a two-dimensional continuous-time quantum walk by using the external geome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.08242","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1704.08242","created_at":"2026-05-18T00:15:47.363659+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.08242v2","created_at":"2026-05-18T00:15:47.363659+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.08242","created_at":"2026-05-18T00:15:47.363659+00:00"},{"alias_kind":"pith_short_12","alias_value":"YBYGLADQ6S7N","created_at":"2026-05-18T12:31:56.362134+00:00"},{"alias_kind":"pith_short_16","alias_value":"YBYGLADQ6S7NMTWD","created_at":"2026-05-18T12:31:56.362134+00:00"},{"alias_kind":"pith_short_8","alias_value":"YBYGLADQ","created_at":"2026-05-18T12:31:56.362134+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA","json":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA.json","graph_json":"https://pith.science/api/pith-number/YBYGLADQ6S7NMTWDIS4OTISHXA/graph.json","events_json":"https://pith.science/api/pith-number/YBYGLADQ6S7NMTWDIS4OTISHXA/events.json","paper":"https://pith.science/paper/YBYGLADQ"},"agent_actions":{"view_html":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA","download_json":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA.json","view_paper":"https://pith.science/paper/YBYGLADQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.08242&json=true","fetch_graph":"https://pith.science/api/pith-number/YBYGLADQ6S7NMTWDIS4OTISHXA/graph.json","fetch_events":"https://pith.science/api/pith-number/YBYGLADQ6S7NMTWDIS4OTISHXA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA/action/storage_attestation","attest_author":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA/action/author_attestation","sign_citation":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA/action/citation_signature","submit_replication":"https://pith.science/pith/YBYGLADQ6S7NMTWDIS4OTISHXA/action/replication_record"}},"created_at":"2026-05-18T00:15:47.363659+00:00","updated_at":"2026-05-18T00:15:47.363659+00:00"}