{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GCSBYVUVJ6T5QYPTXDAVWQFF4C","short_pith_number":"pith:GCSBYVUV","canonical_record":{"source":{"id":"1311.5034","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-20T12:24:47Z","cross_cats_sorted":[],"title_canon_sha256":"0d238da079b6dc9d5daefd882b79e9038423fdeb9edfe588f0195d790089c1d3","abstract_canon_sha256":"d8b14c86cb16082b08cbfeaefeaa2acbb2bde83615451c384cbf2a3ca3c12f9c"},"schema_version":"1.0"},"canonical_sha256":"30a41c56954fa7d861f3b8c15b40a5e09e748386db2452e37cabd1e957646525","source":{"kind":"arxiv","id":"1311.5034","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.5034","created_at":"2026-05-18T00:13:14Z"},{"alias_kind":"arxiv_version","alias_value":"1311.5034v3","created_at":"2026-05-18T00:13:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.5034","created_at":"2026-05-18T00:13:14Z"},{"alias_kind":"pith_short_12","alias_value":"GCSBYVUVJ6T5","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GCSBYVUVJ6T5QYPT","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GCSBYVUV","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GCSBYVUVJ6T5QYPTXDAVWQFF4C","target":"record","payload":{"canonical_record":{"source":{"id":"1311.5034","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-20T12:24:47Z","cross_cats_sorted":[],"title_canon_sha256":"0d238da079b6dc9d5daefd882b79e9038423fdeb9edfe588f0195d790089c1d3","abstract_canon_sha256":"d8b14c86cb16082b08cbfeaefeaa2acbb2bde83615451c384cbf2a3ca3c12f9c"},"schema_version":"1.0"},"canonical_sha256":"30a41c56954fa7d861f3b8c15b40a5e09e748386db2452e37cabd1e957646525","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:14.046972Z","signature_b64":"u5TINpsjXWVTOIJLfr5jr5LcuaUf7qQ/xg5yAKoPlM2bIw2E7fzX3hfoDQ+yv8qx301ReOAXNTl9Qk9IvvzmDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30a41c56954fa7d861f3b8c15b40a5e09e748386db2452e37cabd1e957646525","last_reissued_at":"2026-05-18T00:13:14.046239Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:14.046239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.5034","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BNoAatJVyeUxGYGluIpoJ5c7uUrlnBgeZN9moKS1rVeD4IAVOr0xq9AEV3yHbej6Y3/JhVS/Q5U5++q/FYdWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:12:56.607078Z"},"content_sha256":"376b658fa97e6298050ba7ef92c6d91614b18ef9bb71f92de3e79b9827a85efb","schema_version":"1.0","event_id":"sha256:376b658fa97e6298050ba7ef92c6d91614b18ef9bb71f92de3e79b9827a85efb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GCSBYVUVJ6T5QYPTXDAVWQFF4C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental detection of polarization-frequency quantum correlations in a photonic quantum channel by local operations","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, Guo-wei Zha, Hai-Qiao Ni, Heinz-Peter Breuer, Jian-Shun Tang, Manuel Gessner, Mi-feng Li, Yang Zou, Ying Yu, Yi-Tao Wang, Zhi-Chuan Niu","submitted_at":"2013-11-20T12:24:47Z","abstract_excerpt":"The measurement of correlations between different degrees of freedom is an important, but in general extremely difficult task in many applications of quantum mechanics. Here, we report an all-optical experimental detection and quantification of quantum correlations between the polarization and the frequency degrees of freedom of single photons by means of local operations acting only on the polarization degree of freedom. These operations only require experimental control over an easily accessible two-dimensional subsystem, despite handling strongly mixed quantum states comprised of a continuu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.5034","kind":"arxiv","version":3},"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":"2026-05-18T00:13:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tuK1nnojC5n+wt6H6KyZDrwu+5rW6DrwNEPFJ1UV/W8YEbLzn2HB9rrjzyn2UvPVTGmsUG3ZunluQWLG73zYCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:12:56.607775Z"},"content_sha256":"3ca0eddb82118fa135b231497705bb76df36a39487a07ea0191542709254844b","schema_version":"1.0","event_id":"sha256:3ca0eddb82118fa135b231497705bb76df36a39487a07ea0191542709254844b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GCSBYVUVJ6T5QYPTXDAVWQFF4C/bundle.json","state_url":"https://pith.science/pith/GCSBYVUVJ6T5QYPTXDAVWQFF4C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GCSBYVUVJ6T5QYPTXDAVWQFF4C/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":"2026-05-29T18:12:56Z","links":{"resolver":"https://pith.science/pith/GCSBYVUVJ6T5QYPTXDAVWQFF4C","bundle":"https://pith.science/pith/GCSBYVUVJ6T5QYPTXDAVWQFF4C/bundle.json","state":"https://pith.science/pith/GCSBYVUVJ6T5QYPTXDAVWQFF4C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GCSBYVUVJ6T5QYPTXDAVWQFF4C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GCSBYVUVJ6T5QYPTXDAVWQFF4C","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":"d8b14c86cb16082b08cbfeaefeaa2acbb2bde83615451c384cbf2a3ca3c12f9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-20T12:24:47Z","title_canon_sha256":"0d238da079b6dc9d5daefd882b79e9038423fdeb9edfe588f0195d790089c1d3"},"schema_version":"1.0","source":{"id":"1311.5034","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.5034","created_at":"2026-05-18T00:13:14Z"},{"alias_kind":"arxiv_version","alias_value":"1311.5034v3","created_at":"2026-05-18T00:13:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.5034","created_at":"2026-05-18T00:13:14Z"},{"alias_kind":"pith_short_12","alias_value":"GCSBYVUVJ6T5","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GCSBYVUVJ6T5QYPT","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GCSBYVUV","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:3ca0eddb82118fa135b231497705bb76df36a39487a07ea0191542709254844b","target":"graph","created_at":"2026-05-18T00:13:14Z","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":"The measurement of correlations between different degrees of freedom is an important, but in general extremely difficult task in many applications of quantum mechanics. Here, we report an all-optical experimental detection and quantification of quantum correlations between the polarization and the frequency degrees of freedom of single photons by means of local operations acting only on the polarization degree of freedom. These operations only require experimental control over an easily accessible two-dimensional subsystem, despite handling strongly mixed quantum states comprised of a continuu","authors_text":"Chuan-Feng Li, Geng Chen, Guang-Can Guo, Guo-wei Zha, Hai-Qiao Ni, Heinz-Peter Breuer, Jian-Shun Tang, Manuel Gessner, Mi-feng Li, Yang Zou, Ying Yu, Yi-Tao Wang, Zhi-Chuan Niu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-20T12:24:47Z","title":"Experimental detection of polarization-frequency quantum correlations in a photonic quantum channel by local operations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.5034","kind":"arxiv","version":3},"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":"sha256:376b658fa97e6298050ba7ef92c6d91614b18ef9bb71f92de3e79b9827a85efb","target":"record","created_at":"2026-05-18T00:13:14Z","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":"d8b14c86cb16082b08cbfeaefeaa2acbb2bde83615451c384cbf2a3ca3c12f9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-20T12:24:47Z","title_canon_sha256":"0d238da079b6dc9d5daefd882b79e9038423fdeb9edfe588f0195d790089c1d3"},"schema_version":"1.0","source":{"id":"1311.5034","kind":"arxiv","version":3}},"canonical_sha256":"30a41c56954fa7d861f3b8c15b40a5e09e748386db2452e37cabd1e957646525","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30a41c56954fa7d861f3b8c15b40a5e09e748386db2452e37cabd1e957646525","first_computed_at":"2026-05-18T00:13:14.046239Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:14.046239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u5TINpsjXWVTOIJLfr5jr5LcuaUf7qQ/xg5yAKoPlM2bIw2E7fzX3hfoDQ+yv8qx301ReOAXNTl9Qk9IvvzmDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:14.046972Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.5034","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:376b658fa97e6298050ba7ef92c6d91614b18ef9bb71f92de3e79b9827a85efb","sha256:3ca0eddb82118fa135b231497705bb76df36a39487a07ea0191542709254844b"],"state_sha256":"547e6946cedadfadf5b2a5c882ce10de3b7dfc7121fe7333f266ec09b5729a03"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nsl9x/CQcqI6m25YwTimBq7H4dlqLKAh0Hcq+Cjo4PMuGOcitmZPOiCZ0wMOWSGgiNjz2JxK0Y5kGnk7kL9oDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T18:12:56.611386Z","bundle_sha256":"3c271aede8586cc79051db9fdf1ae2b33f2859a631e008049ef82185e5e68f3b"}}