{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JU77GLWV2D6V5ONUOI6CDOFXT7","short_pith_number":"pith:JU77GLWV","canonical_record":{"source":{"id":"1810.01435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-02T18:09:11Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"title_canon_sha256":"ac25e862aefa86f732ab0b65583a67950c312f4ab6ce447368a6e2190044e767","abstract_canon_sha256":"846fdf909eb58973df6252598e594548c6a0f031f9f57325aab3f1e2430b9ab6"},"schema_version":"1.0"},"canonical_sha256":"4d3ff32ed5d0fd5eb9b4723c21b8b79fce134ae244c1af026c35f013bc7c98e2","source":{"kind":"arxiv","id":"1810.01435","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01435","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01435v1","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01435","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"pith_short_12","alias_value":"JU77GLWV2D6V","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JU77GLWV2D6V5ONU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JU77GLWV","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JU77GLWV2D6V5ONUOI6CDOFXT7","target":"record","payload":{"canonical_record":{"source":{"id":"1810.01435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-02T18:09:11Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"title_canon_sha256":"ac25e862aefa86f732ab0b65583a67950c312f4ab6ce447368a6e2190044e767","abstract_canon_sha256":"846fdf909eb58973df6252598e594548c6a0f031f9f57325aab3f1e2430b9ab6"},"schema_version":"1.0"},"canonical_sha256":"4d3ff32ed5d0fd5eb9b4723c21b8b79fce134ae244c1af026c35f013bc7c98e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:12.267339Z","signature_b64":"DAL5Laz58Ipfmr2U55CFRH12i0y2bZAX4x4kVdjhvnP/1LTJhegnhVlhtbFmf/45sCfhqacjVE79c/9ESYBSAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d3ff32ed5d0fd5eb9b4723c21b8b79fce134ae244c1af026c35f013bc7c98e2","last_reissued_at":"2026-05-18T00:04:12.266650Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:12.266650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.01435","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":"2026-05-18T00:04:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"srP9+5heiJaRv204fpQC2zAUZGbGDnBl/G9815nmKfnaknAG/DeQip2Cwd1ngUp95YTAoiIMdQ5TA23Va1NZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:51:11.992068Z"},"content_sha256":"ddf1159007a7f723da33c115888b2825144ac0796c67716a72f2d1c707b38ffe","schema_version":"1.0","event_id":"sha256:ddf1159007a7f723da33c115888b2825144ac0796c67716a72f2d1c707b38ffe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JU77GLWV2D6V5ONUOI6CDOFXT7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological Protection of Two-photon Quantum Correlation on a Photonic Chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.optics"],"primary_cat":"quant-ph","authors_text":"Hao Tang, Jun Gao, Xian-Min Jin, Xiao-Ling Pang, Yao Wang, Yong-Heng Lu, Zhi-Qiang Jiao","submitted_at":"2018-10-02T18:09:11Z","abstract_excerpt":"Low-decoherence regime plays a key role in constructing multi-particle quantum systems and has therefore been constantly pursued in order to build quantum simulators and quantum computers in a scalable fashion. Quantum error correction and quantum topological computing have been proved being able to protect quantumness but haven't been experimentally realized yet. Recently, topological boundary states are found inherently stable and are capable of protecting physical fields from dissipation and disorder, which inspires the application of such a topological protection on quantum correlation. He"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01435","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":"2026-05-18T00:04:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqHT8kkesqykpb6uwD2/R72BOLvA25blyK/B7rcmH030yxMNmHFhEFHG9Hi23lkFXM77b8omIjLydc7pRrJTDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:51:11.992504Z"},"content_sha256":"8193f13cf7aa51e89b3abc7025a23023c9d36ff29dbfe97ac8d62e60e66ac479","schema_version":"1.0","event_id":"sha256:8193f13cf7aa51e89b3abc7025a23023c9d36ff29dbfe97ac8d62e60e66ac479"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JU77GLWV2D6V5ONUOI6CDOFXT7/bundle.json","state_url":"https://pith.science/pith/JU77GLWV2D6V5ONUOI6CDOFXT7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JU77GLWV2D6V5ONUOI6CDOFXT7/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":"2026-05-27T19:51:11Z","links":{"resolver":"https://pith.science/pith/JU77GLWV2D6V5ONUOI6CDOFXT7","bundle":"https://pith.science/pith/JU77GLWV2D6V5ONUOI6CDOFXT7/bundle.json","state":"https://pith.science/pith/JU77GLWV2D6V5ONUOI6CDOFXT7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JU77GLWV2D6V5ONUOI6CDOFXT7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JU77GLWV2D6V5ONUOI6CDOFXT7","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":"846fdf909eb58973df6252598e594548c6a0f031f9f57325aab3f1e2430b9ab6","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-02T18:09:11Z","title_canon_sha256":"ac25e862aefa86f732ab0b65583a67950c312f4ab6ce447368a6e2190044e767"},"schema_version":"1.0","source":{"id":"1810.01435","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01435","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01435v1","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01435","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"pith_short_12","alias_value":"JU77GLWV2D6V","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JU77GLWV2D6V5ONU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JU77GLWV","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:8193f13cf7aa51e89b3abc7025a23023c9d36ff29dbfe97ac8d62e60e66ac479","target":"graph","created_at":"2026-05-18T00:04:12Z","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":"Low-decoherence regime plays a key role in constructing multi-particle quantum systems and has therefore been constantly pursued in order to build quantum simulators and quantum computers in a scalable fashion. Quantum error correction and quantum topological computing have been proved being able to protect quantumness but haven't been experimentally realized yet. Recently, topological boundary states are found inherently stable and are capable of protecting physical fields from dissipation and disorder, which inspires the application of such a topological protection on quantum correlation. He","authors_text":"Hao Tang, Jun Gao, Xian-Min Jin, Xiao-Ling Pang, Yao Wang, Yong-Heng Lu, Zhi-Qiang Jiao","cross_cats":["cond-mat.quant-gas","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-02T18:09:11Z","title":"Topological Protection of Two-photon Quantum Correlation on a Photonic Chip"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01435","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:ddf1159007a7f723da33c115888b2825144ac0796c67716a72f2d1c707b38ffe","target":"record","created_at":"2026-05-18T00:04:12Z","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":"846fdf909eb58973df6252598e594548c6a0f031f9f57325aab3f1e2430b9ab6","cross_cats_sorted":["cond-mat.quant-gas","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-10-02T18:09:11Z","title_canon_sha256":"ac25e862aefa86f732ab0b65583a67950c312f4ab6ce447368a6e2190044e767"},"schema_version":"1.0","source":{"id":"1810.01435","kind":"arxiv","version":1}},"canonical_sha256":"4d3ff32ed5d0fd5eb9b4723c21b8b79fce134ae244c1af026c35f013bc7c98e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d3ff32ed5d0fd5eb9b4723c21b8b79fce134ae244c1af026c35f013bc7c98e2","first_computed_at":"2026-05-18T00:04:12.266650Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:12.266650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DAL5Laz58Ipfmr2U55CFRH12i0y2bZAX4x4kVdjhvnP/1LTJhegnhVlhtbFmf/45sCfhqacjVE79c/9ESYBSAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:12.267339Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.01435","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddf1159007a7f723da33c115888b2825144ac0796c67716a72f2d1c707b38ffe","sha256:8193f13cf7aa51e89b3abc7025a23023c9d36ff29dbfe97ac8d62e60e66ac479"],"state_sha256":"f8e74516c5efcd98ca8581a1df2cb7fbde7377eeafca76494fa579bc3aeb4fcd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ftrv0CO2gsemSS/n+26sTFps6KAus+GEHDCVn6aAFeS2QLObJSN9fMgUMFLpw5WpHDB82mQcEBwjvBgG8GaxBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:51:11.998668Z","bundle_sha256":"1c0a09c9356567d2d2ce973c1ef68dbce598c7f77535c967d785c5d1083ef80d"}}