{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:AXY5BPG2ODXQVV7FAXLD64Y44F","short_pith_number":"pith:AXY5BPG2","canonical_record":{"source":{"id":"1904.01805","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-04-03T07:09:39Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"08f11bbee51cd26ab6e8772279c21518d27725743658ccefb99ea7511caffd5e","abstract_canon_sha256":"2601b72509b5a1f88d415254f6b53ec850d7389083f77b7ff62eef97869ecbe5"},"schema_version":"1.0"},"canonical_sha256":"05f1d0bcda70ef0ad7e505d63f731ce16e12e0d0ccd79ad6b7e671ff2ce81990","source":{"kind":"arxiv","id":"1904.01805","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01805","created_at":"2026-05-17T23:47:53Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01805v1","created_at":"2026-05-17T23:47:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01805","created_at":"2026-05-17T23:47:53Z"},{"alias_kind":"pith_short_12","alias_value":"AXY5BPG2ODXQ","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"AXY5BPG2ODXQVV7F","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"AXY5BPG2","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:AXY5BPG2ODXQVV7FAXLD64Y44F","target":"record","payload":{"canonical_record":{"source":{"id":"1904.01805","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-04-03T07:09:39Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"08f11bbee51cd26ab6e8772279c21518d27725743658ccefb99ea7511caffd5e","abstract_canon_sha256":"2601b72509b5a1f88d415254f6b53ec850d7389083f77b7ff62eef97869ecbe5"},"schema_version":"1.0"},"canonical_sha256":"05f1d0bcda70ef0ad7e505d63f731ce16e12e0d0ccd79ad6b7e671ff2ce81990","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:53.676047Z","signature_b64":"9SJeV8BZYyDXM6+uexytow87SvqfxaXPisJJ1ovptpT5Kmgk/dcjFfNRHM27o3V0whPQxh7GxCnuQkQbt26QDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05f1d0bcda70ef0ad7e505d63f731ce16e12e0d0ccd79ad6b7e671ff2ce81990","last_reissued_at":"2026-05-17T23:47:53.675500Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:53.675500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.01805","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":"2026-05-17T23:47:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Es9ZRzyYNEHAh0bwVBwGJoCHcudVRL1PKSS8lvtNOW28hyyvkOfUyUzTEKLf/8H67LcLalVyWrIvN9G0UfT/DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T16:02:35.816938Z"},"content_sha256":"029dcc821f720d32b2f0728279e57c021a69c1b98295acf3b137436c66152d91","schema_version":"1.0","event_id":"sha256:029dcc821f720d32b2f0728279e57c021a69c1b98295acf3b137436c66152d91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:AXY5BPG2ODXQVV7FAXLD64Y44F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transporting long-lived quantum spin coherence in a photonic crystal fiber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Mingjie Xin, Shau-Yu Lan, Wui Seng Leong, Zilong Chen","submitted_at":"2019-04-03T07:09:39Z","abstract_excerpt":"Confining particles in hollow-core photonic crystal fibers has opened up new prospects to scale up the distance and time over which particles can be made to interact with light. However, maintaining long-lived quantum spin coherence and/or transporting it over macroscopic distances in a waveguide remain challenging. Here, we demonstrate coherent guiding of ground-state superpositions of 85Rb atoms over a centimeter range and hundreds of milliseconds inside a hollow-core photonic crystal fiber. The decoherence is mainly due to dephasing from residual differential light shift (DLS) from the opti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01805","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":"2026-05-17T23:47:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mPhBdcvSVve88KkCsZ8EDnN72vCJAJXvpAh/iIfbCUEcvNVG/remiY8DDoP416p3fp8LxKZ8KMdfksNSJp4GBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T16:02:35.817287Z"},"content_sha256":"aba322f9a79dca0769f8d52ddb52d71120f8a63cc44e29de667f3d90086c2614","schema_version":"1.0","event_id":"sha256:aba322f9a79dca0769f8d52ddb52d71120f8a63cc44e29de667f3d90086c2614"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AXY5BPG2ODXQVV7FAXLD64Y44F/bundle.json","state_url":"https://pith.science/pith/AXY5BPG2ODXQVV7FAXLD64Y44F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AXY5BPG2ODXQVV7FAXLD64Y44F/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":"2026-06-06T16:02:35Z","links":{"resolver":"https://pith.science/pith/AXY5BPG2ODXQVV7FAXLD64Y44F","bundle":"https://pith.science/pith/AXY5BPG2ODXQVV7FAXLD64Y44F/bundle.json","state":"https://pith.science/pith/AXY5BPG2ODXQVV7FAXLD64Y44F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AXY5BPG2ODXQVV7FAXLD64Y44F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:AXY5BPG2ODXQVV7FAXLD64Y44F","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":"2601b72509b5a1f88d415254f6b53ec850d7389083f77b7ff62eef97869ecbe5","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-04-03T07:09:39Z","title_canon_sha256":"08f11bbee51cd26ab6e8772279c21518d27725743658ccefb99ea7511caffd5e"},"schema_version":"1.0","source":{"id":"1904.01805","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.01805","created_at":"2026-05-17T23:47:53Z"},{"alias_kind":"arxiv_version","alias_value":"1904.01805v1","created_at":"2026-05-17T23:47:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.01805","created_at":"2026-05-17T23:47:53Z"},{"alias_kind":"pith_short_12","alias_value":"AXY5BPG2ODXQ","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"AXY5BPG2ODXQVV7F","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"AXY5BPG2","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:aba322f9a79dca0769f8d52ddb52d71120f8a63cc44e29de667f3d90086c2614","target":"graph","created_at":"2026-05-17T23:47:53Z","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":"Confining particles in hollow-core photonic crystal fibers has opened up new prospects to scale up the distance and time over which particles can be made to interact with light. However, maintaining long-lived quantum spin coherence and/or transporting it over macroscopic distances in a waveguide remain challenging. Here, we demonstrate coherent guiding of ground-state superpositions of 85Rb atoms over a centimeter range and hundreds of milliseconds inside a hollow-core photonic crystal fiber. The decoherence is mainly due to dephasing from residual differential light shift (DLS) from the opti","authors_text":"Mingjie Xin, Shau-Yu Lan, Wui Seng Leong, Zilong Chen","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-04-03T07:09:39Z","title":"Transporting long-lived quantum spin coherence in a photonic crystal fiber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.01805","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":"sha256:029dcc821f720d32b2f0728279e57c021a69c1b98295acf3b137436c66152d91","target":"record","created_at":"2026-05-17T23:47:53Z","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":"2601b72509b5a1f88d415254f6b53ec850d7389083f77b7ff62eef97869ecbe5","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-04-03T07:09:39Z","title_canon_sha256":"08f11bbee51cd26ab6e8772279c21518d27725743658ccefb99ea7511caffd5e"},"schema_version":"1.0","source":{"id":"1904.01805","kind":"arxiv","version":1}},"canonical_sha256":"05f1d0bcda70ef0ad7e505d63f731ce16e12e0d0ccd79ad6b7e671ff2ce81990","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05f1d0bcda70ef0ad7e505d63f731ce16e12e0d0ccd79ad6b7e671ff2ce81990","first_computed_at":"2026-05-17T23:47:53.675500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:53.675500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9SJeV8BZYyDXM6+uexytow87SvqfxaXPisJJ1ovptpT5Kmgk/dcjFfNRHM27o3V0whPQxh7GxCnuQkQbt26QDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:53.676047Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.01805","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:029dcc821f720d32b2f0728279e57c021a69c1b98295acf3b137436c66152d91","sha256:aba322f9a79dca0769f8d52ddb52d71120f8a63cc44e29de667f3d90086c2614"],"state_sha256":"0489d53bf2c25a13ad762c5b487384165075bf1f2a9c58d9ecb72a9d5fb14847"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vBt0bmPjNqW7sm/isVkDdXlZzne8Jnz4Vnj/CEt5ePngEw5A1NDuJjbVzfxnv/jzImR9UmqSHef8oQMqFD0jCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T16:02:35.819220Z","bundle_sha256":"cc155db4ce87d3190ac271bb886a7ddfb2c9e898f38dedcaab853f89d1141d66"}}