{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WD457CVTA3GREAXCH3FHMICFMU","short_pith_number":"pith:WD457CVT","canonical_record":{"source":{"id":"1501.03279","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-14T08:31:30Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"e16a21b8b2269aa49eb1787876a3323845cc3b52fff2594391a48578f3adf22e","abstract_canon_sha256":"ed6c2ad94743ee3f696c8e5b52901e48e4e6fc77735e63ebfb556603c387360b"},"schema_version":"1.0"},"canonical_sha256":"b0f9df8ab306cd1202e23eca7620456517c49a227811c67ac7268c0d20a12c5e","source":{"kind":"arxiv","id":"1501.03279","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03279","created_at":"2026-05-18T01:36:34Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03279v2","created_at":"2026-05-18T01:36:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03279","created_at":"2026-05-18T01:36:34Z"},{"alias_kind":"pith_short_12","alias_value":"WD457CVTA3GR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WD457CVTA3GREAXC","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WD457CVT","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WD457CVTA3GREAXCH3FHMICFMU","target":"record","payload":{"canonical_record":{"source":{"id":"1501.03279","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-14T08:31:30Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"e16a21b8b2269aa49eb1787876a3323845cc3b52fff2594391a48578f3adf22e","abstract_canon_sha256":"ed6c2ad94743ee3f696c8e5b52901e48e4e6fc77735e63ebfb556603c387360b"},"schema_version":"1.0"},"canonical_sha256":"b0f9df8ab306cd1202e23eca7620456517c49a227811c67ac7268c0d20a12c5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:34.007131Z","signature_b64":"i1E4Tb+dIpSqCrSQ9JSI3eYUFjIE1KEIi+7teGzvfrNgWvr46GpMgmEmAIIjdB5edYlvVq4K68MnUMWoi5lODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0f9df8ab306cd1202e23eca7620456517c49a227811c67ac7268c0d20a12c5e","last_reissued_at":"2026-05-18T01:36:34.006582Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:34.006582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.03279","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":"2026-05-18T01:36:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"edtGXnAXbEGkMfcZXZvmNi2f93z4VzcRz33Zi5OlR4B7k+GhWQ55yJRIRiNDy0s44m082CcCiIGdb+JTUHGNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:59:27.657978Z"},"content_sha256":"5696777b59ceddd71af865b0e9f9a063f6380a92ca4269f57aae8d570c2fab3b","schema_version":"1.0","event_id":"sha256:5696777b59ceddd71af865b0e9f9a063f6380a92ca4269f57aae8d570c2fab3b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WD457CVTA3GREAXCH3FHMICFMU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic-field-induced rotation of light with orbital angular momentum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Bao-Sen Shi, Dong-Sheng Ding, Shuai Shi, Wei Zhang, Yan Li, Zhi-Yuan Zhou","submitted_at":"2015-01-14T08:31:30Z","abstract_excerpt":"Light carrying orbital angular momentum (OAM) has attractive applications in the fields of precise optical measurements and high capacity optical communications. We study the rotation of a light beam propagating in warm 87Rb atomic vapor using a method based on magnetic-field-induced circular birefringence. The dependence of the rotation angle on the magnetic field makes it appropriate for weak magnetic field measurements. We quote a detailed theoretical description that agrees well with the experimental observations. The experiment shown here provides a method to measure the magnetic field in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03279","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":"2026-05-18T01:36:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyQqovftJSNkSBJp5SGDBNMlau9OnF+meUnK3+Okg44uSy5CxMySN7xzcLqv68dDiNDd6m78mMDKbvP9MnP5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:59:27.658561Z"},"content_sha256":"656f465318d3d3353f160295cdec192825b34da37b289e79b8d140b04975ae7c","schema_version":"1.0","event_id":"sha256:656f465318d3d3353f160295cdec192825b34da37b289e79b8d140b04975ae7c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WD457CVTA3GREAXCH3FHMICFMU/bundle.json","state_url":"https://pith.science/pith/WD457CVTA3GREAXCH3FHMICFMU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WD457CVTA3GREAXCH3FHMICFMU/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":"2026-05-18T23:59:27Z","links":{"resolver":"https://pith.science/pith/WD457CVTA3GREAXCH3FHMICFMU","bundle":"https://pith.science/pith/WD457CVTA3GREAXCH3FHMICFMU/bundle.json","state":"https://pith.science/pith/WD457CVTA3GREAXCH3FHMICFMU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WD457CVTA3GREAXCH3FHMICFMU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WD457CVTA3GREAXCH3FHMICFMU","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":"ed6c2ad94743ee3f696c8e5b52901e48e4e6fc77735e63ebfb556603c387360b","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-14T08:31:30Z","title_canon_sha256":"e16a21b8b2269aa49eb1787876a3323845cc3b52fff2594391a48578f3adf22e"},"schema_version":"1.0","source":{"id":"1501.03279","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03279","created_at":"2026-05-18T01:36:34Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03279v2","created_at":"2026-05-18T01:36:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03279","created_at":"2026-05-18T01:36:34Z"},{"alias_kind":"pith_short_12","alias_value":"WD457CVTA3GR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WD457CVTA3GREAXC","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WD457CVT","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:656f465318d3d3353f160295cdec192825b34da37b289e79b8d140b04975ae7c","target":"graph","created_at":"2026-05-18T01:36:34Z","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":"Light carrying orbital angular momentum (OAM) has attractive applications in the fields of precise optical measurements and high capacity optical communications. We study the rotation of a light beam propagating in warm 87Rb atomic vapor using a method based on magnetic-field-induced circular birefringence. The dependence of the rotation angle on the magnetic field makes it appropriate for weak magnetic field measurements. We quote a detailed theoretical description that agrees well with the experimental observations. The experiment shown here provides a method to measure the magnetic field in","authors_text":"Bao-Sen Shi, Dong-Sheng Ding, Shuai Shi, Wei Zhang, Yan Li, Zhi-Yuan Zhou","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-14T08:31:30Z","title":"Magnetic-field-induced rotation of light with orbital angular momentum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03279","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":"sha256:5696777b59ceddd71af865b0e9f9a063f6380a92ca4269f57aae8d570c2fab3b","target":"record","created_at":"2026-05-18T01:36:34Z","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":"ed6c2ad94743ee3f696c8e5b52901e48e4e6fc77735e63ebfb556603c387360b","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-14T08:31:30Z","title_canon_sha256":"e16a21b8b2269aa49eb1787876a3323845cc3b52fff2594391a48578f3adf22e"},"schema_version":"1.0","source":{"id":"1501.03279","kind":"arxiv","version":2}},"canonical_sha256":"b0f9df8ab306cd1202e23eca7620456517c49a227811c67ac7268c0d20a12c5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0f9df8ab306cd1202e23eca7620456517c49a227811c67ac7268c0d20a12c5e","first_computed_at":"2026-05-18T01:36:34.006582Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:34.006582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i1E4Tb+dIpSqCrSQ9JSI3eYUFjIE1KEIi+7teGzvfrNgWvr46GpMgmEmAIIjdB5edYlvVq4K68MnUMWoi5lODQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:34.007131Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.03279","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5696777b59ceddd71af865b0e9f9a063f6380a92ca4269f57aae8d570c2fab3b","sha256:656f465318d3d3353f160295cdec192825b34da37b289e79b8d140b04975ae7c"],"state_sha256":"1a1c5d633c8287d71988223a05ec0bdb8ec201f79121bce9d4f01b21d77a42fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qvMneRqN4Ob+qCDkjMXxklRvuSQcoVPmGrQ/SJayKRHC/XIoOC4fk8MJHnCtqyybzu5Po2dGudEmEfZSD61lAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T23:59:27.660501Z","bundle_sha256":"7fe536a0c8e3ece714b6ea4552d83a60ab5e6c933204e7f09a3b5d6d51c75e47"}}