{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XPGSEJOHE56BRCWKJBWQHMKR3Q","short_pith_number":"pith:XPGSEJOH","canonical_record":{"source":{"id":"1804.03494","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-10T13:13:36Z","cross_cats_sorted":[],"title_canon_sha256":"89a2047ce4eef39efb31dc79c572b95d714f52fa410e88263a7324657817bc4b","abstract_canon_sha256":"2f856c1e6ed1ae6b037eb082c2b2a0e47e21a1ab793bcfa4d557c4d341d633d8"},"schema_version":"1.0"},"canonical_sha256":"bbcd2225c7277c188aca486d03b151dc2b18192eacc4aff04bef1c4ca9879741","source":{"kind":"arxiv","id":"1804.03494","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.03494","created_at":"2026-05-18T00:05:19Z"},{"alias_kind":"arxiv_version","alias_value":"1804.03494v2","created_at":"2026-05-18T00:05:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03494","created_at":"2026-05-18T00:05:19Z"},{"alias_kind":"pith_short_12","alias_value":"XPGSEJOHE56B","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XPGSEJOHE56BRCWK","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XPGSEJOH","created_at":"2026-05-18T12:33:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XPGSEJOHE56BRCWKJBWQHMKR3Q","target":"record","payload":{"canonical_record":{"source":{"id":"1804.03494","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-10T13:13:36Z","cross_cats_sorted":[],"title_canon_sha256":"89a2047ce4eef39efb31dc79c572b95d714f52fa410e88263a7324657817bc4b","abstract_canon_sha256":"2f856c1e6ed1ae6b037eb082c2b2a0e47e21a1ab793bcfa4d557c4d341d633d8"},"schema_version":"1.0"},"canonical_sha256":"bbcd2225c7277c188aca486d03b151dc2b18192eacc4aff04bef1c4ca9879741","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:19.372969Z","signature_b64":"OcFoFzRw6Tu7pg6FMhmrSHzg+as4bucCgYdfN1sREX10PI7gVt2+MQgp7x9hEIqlk2hHUplPkQxZtdCxUEeqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbcd2225c7277c188aca486d03b151dc2b18192eacc4aff04bef1c4ca9879741","last_reissued_at":"2026-05-18T00:05:19.372464Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:19.372464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.03494","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":"2026-05-18T00:05:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QWEUCCIyJirW6DcT7o1+aGa7cUpj7ipgesuS8G4YnKocAnLUBv8Aaw1Qo5zGEHCzzhwFqoUElL1EPAwL1/EDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:31:33.987912Z"},"content_sha256":"fc8c66487217c1f117d4ad195b0746867977f605ddc44582c1e5833a5b6e58dd","schema_version":"1.0","event_id":"sha256:fc8c66487217c1f117d4ad195b0746867977f605ddc44582c1e5833a5b6e58dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XPGSEJOHE56BRCWKJBWQHMKR3Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum metasurface for multi-photon interference and state reconstruction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alexander S. Solntsev, Andrey A. Sukhorukov, Dragomir N. Neshev, Hung-Pin Chung, Ivan I. Kravchenko, James G. Titchener, Kai Wang, Lei Xu, Matthew Parry, Sergey S. Kruk, Yen-Hung Chen, Yuri S. Kivshar","submitted_at":"2018-04-10T13:13:36Z","abstract_excerpt":"Metasurfaces based on resonant nanophotonic structures have enabled novel types of flat-optics devices often outperforming the capabilities of bulk components, yet these advances remain largely unexplored for quantum applications. We show that non-classical multi-photon interferences can be achieved at the subwavelength scale in all-dielectric metasurfaces. We simultaneously image multiple projections of quantum states with a single metasurface, enabling a robust reconstruction of amplitude, phase, coherence, and entanglement of multi-photon polarization-encoded states. One- and two-photon sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03494","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":"2026-05-18T00:05:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2vrrh4IbauIRJ86ib0QTtLU00o4j1dYGsga/1ZFLO40XI2/LGMmQkwHqHgOxCUbx4XHyq4coNzVXt0uEaxnQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:31:33.988633Z"},"content_sha256":"1c7e33da36afcb453be95a4376d12a2f2e345dc1c60a0f22b369949c8a98b577","schema_version":"1.0","event_id":"sha256:1c7e33da36afcb453be95a4376d12a2f2e345dc1c60a0f22b369949c8a98b577"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XPGSEJOHE56BRCWKJBWQHMKR3Q/bundle.json","state_url":"https://pith.science/pith/XPGSEJOHE56BRCWKJBWQHMKR3Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XPGSEJOHE56BRCWKJBWQHMKR3Q/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":"2026-06-07T23:31:33Z","links":{"resolver":"https://pith.science/pith/XPGSEJOHE56BRCWKJBWQHMKR3Q","bundle":"https://pith.science/pith/XPGSEJOHE56BRCWKJBWQHMKR3Q/bundle.json","state":"https://pith.science/pith/XPGSEJOHE56BRCWKJBWQHMKR3Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XPGSEJOHE56BRCWKJBWQHMKR3Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XPGSEJOHE56BRCWKJBWQHMKR3Q","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":"2f856c1e6ed1ae6b037eb082c2b2a0e47e21a1ab793bcfa4d557c4d341d633d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-10T13:13:36Z","title_canon_sha256":"89a2047ce4eef39efb31dc79c572b95d714f52fa410e88263a7324657817bc4b"},"schema_version":"1.0","source":{"id":"1804.03494","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.03494","created_at":"2026-05-18T00:05:19Z"},{"alias_kind":"arxiv_version","alias_value":"1804.03494v2","created_at":"2026-05-18T00:05:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03494","created_at":"2026-05-18T00:05:19Z"},{"alias_kind":"pith_short_12","alias_value":"XPGSEJOHE56B","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XPGSEJOHE56BRCWK","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XPGSEJOH","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:1c7e33da36afcb453be95a4376d12a2f2e345dc1c60a0f22b369949c8a98b577","target":"graph","created_at":"2026-05-18T00:05:19Z","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":"Metasurfaces based on resonant nanophotonic structures have enabled novel types of flat-optics devices often outperforming the capabilities of bulk components, yet these advances remain largely unexplored for quantum applications. We show that non-classical multi-photon interferences can be achieved at the subwavelength scale in all-dielectric metasurfaces. We simultaneously image multiple projections of quantum states with a single metasurface, enabling a robust reconstruction of amplitude, phase, coherence, and entanglement of multi-photon polarization-encoded states. One- and two-photon sta","authors_text":"Alexander S. Solntsev, Andrey A. Sukhorukov, Dragomir N. Neshev, Hung-Pin Chung, Ivan I. Kravchenko, James G. Titchener, Kai Wang, Lei Xu, Matthew Parry, Sergey S. Kruk, Yen-Hung Chen, Yuri S. Kivshar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-10T13:13:36Z","title":"Quantum metasurface for multi-photon interference and state reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03494","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:fc8c66487217c1f117d4ad195b0746867977f605ddc44582c1e5833a5b6e58dd","target":"record","created_at":"2026-05-18T00:05:19Z","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":"2f856c1e6ed1ae6b037eb082c2b2a0e47e21a1ab793bcfa4d557c4d341d633d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-10T13:13:36Z","title_canon_sha256":"89a2047ce4eef39efb31dc79c572b95d714f52fa410e88263a7324657817bc4b"},"schema_version":"1.0","source":{"id":"1804.03494","kind":"arxiv","version":2}},"canonical_sha256":"bbcd2225c7277c188aca486d03b151dc2b18192eacc4aff04bef1c4ca9879741","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbcd2225c7277c188aca486d03b151dc2b18192eacc4aff04bef1c4ca9879741","first_computed_at":"2026-05-18T00:05:19.372464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:19.372464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OcFoFzRw6Tu7pg6FMhmrSHzg+as4bucCgYdfN1sREX10PI7gVt2+MQgp7x9hEIqlk2hHUplPkQxZtdCxUEeqAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:19.372969Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.03494","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc8c66487217c1f117d4ad195b0746867977f605ddc44582c1e5833a5b6e58dd","sha256:1c7e33da36afcb453be95a4376d12a2f2e345dc1c60a0f22b369949c8a98b577"],"state_sha256":"712a5e7b984f10394585cd33d04a7fd004c5050a61b59d65856a59760669a10b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lGrW8F1XxtzlSPCVyfEhoovtPYPVjxxZ23/HLpi910PKF0EQPTUAb8tUQZozcAhkPAW3RUb48WLH14ln4etmAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T23:31:33.992303Z","bundle_sha256":"cec0ede21a29aac8b7c49e56df06052360ca01f037be5e2269d41fb9d5c39a5b"}}