{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:C4TJD426ALKTJWDG6IITY6SFZM","short_pith_number":"pith:C4TJD426","canonical_record":{"source":{"id":"quant-ph/0602034","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-02-03T05:24:19Z","cross_cats_sorted":[],"title_canon_sha256":"2be060a47fc46120a867fda5f2e4f76c7ffab19c2ca7043bbdf1257d786b82f4","abstract_canon_sha256":"15dabe49bb7e860da36959fa0703e01137027719237a1df5bed2277168cc079f"},"schema_version":"1.0"},"canonical_sha256":"172691f35e02d534d866f2113c7a45cb2d231b9855a7dbba43263173523f1263","source":{"kind":"arxiv","id":"quant-ph/0602034","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0602034","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0602034v1","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0602034","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"C4TJD426ALKT","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"pith_short_16","alias_value":"C4TJD426ALKTJWDG","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"pith_short_8","alias_value":"C4TJD426","created_at":"2026-07-04T14:53:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:C4TJD426ALKTJWDG6IITY6SFZM","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0602034","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-02-03T05:24:19Z","cross_cats_sorted":[],"title_canon_sha256":"2be060a47fc46120a867fda5f2e4f76c7ffab19c2ca7043bbdf1257d786b82f4","abstract_canon_sha256":"15dabe49bb7e860da36959fa0703e01137027719237a1df5bed2277168cc079f"},"schema_version":"1.0"},"canonical_sha256":"172691f35e02d534d866f2113c7a45cb2d231b9855a7dbba43263173523f1263","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:53:29.766039Z","signature_b64":"qoTzXGAYPVVw8BiHVbEAJGdm5DijTWKOnmymS7ODVFwJ6/B7YtH9futhLOnkC/J6wR1H1+lbyR9k+u9D5I/sDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"172691f35e02d534d866f2113c7a45cb2d231b9855a7dbba43263173523f1263","last_reissued_at":"2026-07-04T14:53:29.765689Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:53:29.765689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0602034","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":"2026-07-04T14:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GLh5HJbGW/8qhaYn89c836yPOclyyhB9eAX8iA+bx6WBcnqm49Yegw25cFtCbBswKVeo8XVOvF224lTqsXvlDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T12:25:16.092969Z"},"content_sha256":"091623f232ad2fc4b0b5274d05507c40c0214565174aaa2b937d3b383991f7c7","schema_version":"1.0","event_id":"sha256:091623f232ad2fc4b0b5274d05507c40c0214565174aaa2b937d3b383991f7c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:C4TJD426ALKTJWDG6IITY6SFZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Purity Telecom-Band Entangled Photon-Pairs via Four-Wave Mixing in Dispersion-Shifted Fiber","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Liang, J. Chen, K. F. Lee, P. Kumar, P. L. Voss, X. Li","submitted_at":"2006-02-03T05:24:19Z","abstract_excerpt":"We have studied the purity of entangled photon-pairs generated in a dispersion-shifted fiber at various temperatures. Two-photon interference with visibility > 98% is observed at 77K, without subtraction of the background Raman photons."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0602034","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/0602034/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T14:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qen5SKZBwuVBSdb3h0RelOC8eKVPpe6T+Rix0sNjSInOKGbj3SeFnvOKa/Nw9hfJ5qShJnZlz6p3C9FIfqiWAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T12:25:16.093360Z"},"content_sha256":"b611e6778b9bbb8c1b9e2c8bec1e74c8871815b7f650872ef45e7b047d4e678b","schema_version":"1.0","event_id":"sha256:b611e6778b9bbb8c1b9e2c8bec1e74c8871815b7f650872ef45e7b047d4e678b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C4TJD426ALKTJWDG6IITY6SFZM/bundle.json","state_url":"https://pith.science/pith/C4TJD426ALKTJWDG6IITY6SFZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C4TJD426ALKTJWDG6IITY6SFZM/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":"2026-07-08T12:25:16Z","links":{"resolver":"https://pith.science/pith/C4TJD426ALKTJWDG6IITY6SFZM","bundle":"https://pith.science/pith/C4TJD426ALKTJWDG6IITY6SFZM/bundle.json","state":"https://pith.science/pith/C4TJD426ALKTJWDG6IITY6SFZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C4TJD426ALKTJWDG6IITY6SFZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:C4TJD426ALKTJWDG6IITY6SFZM","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":"15dabe49bb7e860da36959fa0703e01137027719237a1df5bed2277168cc079f","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-02-03T05:24:19Z","title_canon_sha256":"2be060a47fc46120a867fda5f2e4f76c7ffab19c2ca7043bbdf1257d786b82f4"},"schema_version":"1.0","source":{"id":"quant-ph/0602034","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0602034","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0602034v1","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0602034","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"C4TJD426ALKT","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"pith_short_16","alias_value":"C4TJD426ALKTJWDG","created_at":"2026-07-04T14:53:29Z"},{"alias_kind":"pith_short_8","alias_value":"C4TJD426","created_at":"2026-07-04T14:53:29Z"}],"graph_snapshots":[{"event_id":"sha256:b611e6778b9bbb8c1b9e2c8bec1e74c8871815b7f650872ef45e7b047d4e678b","target":"graph","created_at":"2026-07-04T14:53:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/quant-ph/0602034/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have studied the purity of entangled photon-pairs generated in a dispersion-shifted fiber at various temperatures. Two-photon interference with visibility > 98% is observed at 77K, without subtraction of the background Raman photons.","authors_text":"C. Liang, J. Chen, K. F. Lee, P. Kumar, P. L. Voss, X. Li","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2006-02-03T05:24:19Z","title":"High-Purity Telecom-Band Entangled Photon-Pairs via Four-Wave Mixing in Dispersion-Shifted Fiber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0602034","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":"sha256:091623f232ad2fc4b0b5274d05507c40c0214565174aaa2b937d3b383991f7c7","target":"record","created_at":"2026-07-04T14:53:29Z","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":"15dabe49bb7e860da36959fa0703e01137027719237a1df5bed2277168cc079f","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-02-03T05:24:19Z","title_canon_sha256":"2be060a47fc46120a867fda5f2e4f76c7ffab19c2ca7043bbdf1257d786b82f4"},"schema_version":"1.0","source":{"id":"quant-ph/0602034","kind":"arxiv","version":1}},"canonical_sha256":"172691f35e02d534d866f2113c7a45cb2d231b9855a7dbba43263173523f1263","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"172691f35e02d534d866f2113c7a45cb2d231b9855a7dbba43263173523f1263","first_computed_at":"2026-07-04T14:53:29.765689Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:53:29.765689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qoTzXGAYPVVw8BiHVbEAJGdm5DijTWKOnmymS7ODVFwJ6/B7YtH9futhLOnkC/J6wR1H1+lbyR9k+u9D5I/sDg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:53:29.766039Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0602034","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:091623f232ad2fc4b0b5274d05507c40c0214565174aaa2b937d3b383991f7c7","sha256:b611e6778b9bbb8c1b9e2c8bec1e74c8871815b7f650872ef45e7b047d4e678b"],"state_sha256":"66845815104114dba1733572faac392d3cb8a478d5190d9535c1d4e8ea5c0c6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RPL4lyFHbjDcKZgHUxkSJLaJQPf4NDmayDsAPnZ8/Ostfrx/f9TxnOLd212fEPgJ4wrQfZsjxYbHpbFPycHRDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T12:25:16.095405Z","bundle_sha256":"908b9fb8445db3a8d6b0705a81d0865ddd754dd54a97da0b11e7562333c69910"}}