{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:AIQFB3YAKQ4FFDCRRYSZFBDM6H","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":"9a654a909e0c13c986b49a782d6284e2bb7a8713c6055e5da10ff2cd2e223bd8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-04T14:02:33Z","title_canon_sha256":"c1017a749fea0f0707e1d8d17a9c3004da6c516ebf005f4d06830320905b75ca"},"schema_version":"1.0","source":{"id":"1607.00891","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00891","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00891v1","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00891","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"pith_short_12","alias_value":"AIQFB3YAKQ4F","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AIQFB3YAKQ4FFDCR","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AIQFB3YA","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:65192474b9569641de4cf9a1ee1ffc6aa019896f234ce4de5fe5ea63eee66c6b","target":"graph","created_at":"2026-05-17T23:55:30Z","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 demonstrate a platform for implementing quantum walks that overcomes many of the barriers associated with photonic implementations. We use coupled fiber-optic cavities to implement time-bin encoded walks in an integrated system. We show that this platform can achieve very low losses combined with high-fidelity operations, enabling an unprecedented large number of steps in a passive system, as required for scenarios with multiple walkers. Furthermore the platform is reconfigurable, enabling variation of the coin, and readily extends to multidimensional lattices. We demonstrate variation of t","authors_text":"A. Feizpour, C. Di Franco, I.A. Walmsley, J. Boutari, M.S. Kim, S. Barz, W.S. Kolthammer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-04T14:02:33Z","title":"Large scale quantum walks by means of optical fiber cavities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00891","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":"sha256:23866bd756fb1ec9fbe721ca4fcaceb3ff3d0d2b934733e356082af6cafb45be","target":"record","created_at":"2026-05-17T23:55:30Z","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":"9a654a909e0c13c986b49a782d6284e2bb7a8713c6055e5da10ff2cd2e223bd8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-04T14:02:33Z","title_canon_sha256":"c1017a749fea0f0707e1d8d17a9c3004da6c516ebf005f4d06830320905b75ca"},"schema_version":"1.0","source":{"id":"1607.00891","kind":"arxiv","version":1}},"canonical_sha256":"022050ef005438528c518e2592846cf1f0283691cdfa6423ec0c4d53c74bc5f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"022050ef005438528c518e2592846cf1f0283691cdfa6423ec0c4d53c74bc5f5","first_computed_at":"2026-05-17T23:55:30.137756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:30.137756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8+q6wzF82ezZbLEIqRPYVIEo/dPyk+QRb9Rg2VrykulT8qtEStOXSUitQrcQuVxVKOfzXmXKLJ8FNuHKuhN1Bg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:30.138271Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.00891","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23866bd756fb1ec9fbe721ca4fcaceb3ff3d0d2b934733e356082af6cafb45be","sha256:65192474b9569641de4cf9a1ee1ffc6aa019896f234ce4de5fe5ea63eee66c6b"],"state_sha256":"7b88f0993f6bd1dd504be7535a8a22a73457213f84d640491532d7c9f05b79cb"}