{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:WRA5EZSAANZFVW7H6MP4D5YU73","short_pith_number":"pith:WRA5EZSA","canonical_record":{"source":{"id":"1209.3246","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-09-14T16:13:45Z","cross_cats_sorted":[],"title_canon_sha256":"ca7f044101c0e821b7cca9b3d563282813b28464c28425aa7105552108b36ba1","abstract_canon_sha256":"01c4c3a6719f3268c273078dae93bda864e058bc5f85571d8f778854b28f945b"},"schema_version":"1.0"},"canonical_sha256":"b441d2664003725adbe7f31fc1f714fed5985225e88dc6af4622f997e26c1008","source":{"kind":"arxiv","id":"1209.3246","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.3246","created_at":"2026-05-18T01:54:28Z"},{"alias_kind":"arxiv_version","alias_value":"1209.3246v1","created_at":"2026-05-18T01:54:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.3246","created_at":"2026-05-18T01:54:28Z"},{"alias_kind":"pith_short_12","alias_value":"WRA5EZSAANZF","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WRA5EZSAANZFVW7H","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WRA5EZSA","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:WRA5EZSAANZFVW7H6MP4D5YU73","target":"record","payload":{"canonical_record":{"source":{"id":"1209.3246","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-09-14T16:13:45Z","cross_cats_sorted":[],"title_canon_sha256":"ca7f044101c0e821b7cca9b3d563282813b28464c28425aa7105552108b36ba1","abstract_canon_sha256":"01c4c3a6719f3268c273078dae93bda864e058bc5f85571d8f778854b28f945b"},"schema_version":"1.0"},"canonical_sha256":"b441d2664003725adbe7f31fc1f714fed5985225e88dc6af4622f997e26c1008","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:28.993221Z","signature_b64":"bXI+efcMvgT8Lu4l3M+KqkY2PAG/y0zJAZ3IT48b/QliglWrCVT358F6miyG8nA+LQy+MrHgxo7bQx4kyMGbDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b441d2664003725adbe7f31fc1f714fed5985225e88dc6af4622f997e26c1008","last_reissued_at":"2026-05-18T01:54:28.992505Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:28.992505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.3246","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":"2026-05-18T01:54:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"23jMfHkjZl2JM9yH6GNcV6u0Q9HBHeD6Ru5X+IDvYgUx9U+Ly2txMVveBHMmrMok4Z9emd3GP6E4xpBg9g85CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:47:06.986193Z"},"content_sha256":"63f9f81b5ccd2554e9d03be949bdafb115bb1688583d9c07d36da4740c405ea1","schema_version":"1.0","event_id":"sha256:63f9f81b5ccd2554e9d03be949bdafb115bb1688583d9c07d36da4740c405ea1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:WRA5EZSAANZFVW7H6MP4D5YU73","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transverse Polarization of the Nucleon in Parton Picture","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Feng Yuan, Xiangdong Ji, Xiaonu Xiong","submitted_at":"2012-09-14T16:13:45Z","abstract_excerpt":"The proton's transverse polarization structure is examined in terms of the Lorentz-covariant Pauli-Lubanski vector in QCD. We find that there are contributions from leading, subleading, and next-to-subleading partonic contributions in the light-front system of coordinates. The subleading and next-to-subleading contributions are related to the leading one through Lorentz symmetry. And the leading contribution obeys a simple partonic angular momentum sum rule that gives a clear physical interpretation to a relation known previously."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.3246","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":"2026-05-18T01:54:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K3QA3kxE/26x6RYeR0H/D2lhsF2cbBQuPjue9AJuZ4shIHVP+szgRqylRlLO/JK58OT7YBkr6lbeMZQY6La6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:47:06.987258Z"},"content_sha256":"f37cbd2b180c77614b6d8e678dcd29f6eb39c3419a3deb948faf1dc0bf5ce0bf","schema_version":"1.0","event_id":"sha256:f37cbd2b180c77614b6d8e678dcd29f6eb39c3419a3deb948faf1dc0bf5ce0bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WRA5EZSAANZFVW7H6MP4D5YU73/bundle.json","state_url":"https://pith.science/pith/WRA5EZSAANZFVW7H6MP4D5YU73/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WRA5EZSAANZFVW7H6MP4D5YU73/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":"2026-05-27T14:47:06Z","links":{"resolver":"https://pith.science/pith/WRA5EZSAANZFVW7H6MP4D5YU73","bundle":"https://pith.science/pith/WRA5EZSAANZFVW7H6MP4D5YU73/bundle.json","state":"https://pith.science/pith/WRA5EZSAANZFVW7H6MP4D5YU73/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WRA5EZSAANZFVW7H6MP4D5YU73/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WRA5EZSAANZFVW7H6MP4D5YU73","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":"01c4c3a6719f3268c273078dae93bda864e058bc5f85571d8f778854b28f945b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-09-14T16:13:45Z","title_canon_sha256":"ca7f044101c0e821b7cca9b3d563282813b28464c28425aa7105552108b36ba1"},"schema_version":"1.0","source":{"id":"1209.3246","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.3246","created_at":"2026-05-18T01:54:28Z"},{"alias_kind":"arxiv_version","alias_value":"1209.3246v1","created_at":"2026-05-18T01:54:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.3246","created_at":"2026-05-18T01:54:28Z"},{"alias_kind":"pith_short_12","alias_value":"WRA5EZSAANZF","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"WRA5EZSAANZFVW7H","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"WRA5EZSA","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:f37cbd2b180c77614b6d8e678dcd29f6eb39c3419a3deb948faf1dc0bf5ce0bf","target":"graph","created_at":"2026-05-18T01:54:28Z","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 proton's transverse polarization structure is examined in terms of the Lorentz-covariant Pauli-Lubanski vector in QCD. We find that there are contributions from leading, subleading, and next-to-subleading partonic contributions in the light-front system of coordinates. The subleading and next-to-subleading contributions are related to the leading one through Lorentz symmetry. And the leading contribution obeys a simple partonic angular momentum sum rule that gives a clear physical interpretation to a relation known previously.","authors_text":"Feng Yuan, Xiangdong Ji, Xiaonu Xiong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-09-14T16:13:45Z","title":"Transverse Polarization of the Nucleon in Parton Picture"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.3246","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":"sha256:63f9f81b5ccd2554e9d03be949bdafb115bb1688583d9c07d36da4740c405ea1","target":"record","created_at":"2026-05-18T01:54:28Z","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":"01c4c3a6719f3268c273078dae93bda864e058bc5f85571d8f778854b28f945b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-09-14T16:13:45Z","title_canon_sha256":"ca7f044101c0e821b7cca9b3d563282813b28464c28425aa7105552108b36ba1"},"schema_version":"1.0","source":{"id":"1209.3246","kind":"arxiv","version":1}},"canonical_sha256":"b441d2664003725adbe7f31fc1f714fed5985225e88dc6af4622f997e26c1008","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b441d2664003725adbe7f31fc1f714fed5985225e88dc6af4622f997e26c1008","first_computed_at":"2026-05-18T01:54:28.992505Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:28.992505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bXI+efcMvgT8Lu4l3M+KqkY2PAG/y0zJAZ3IT48b/QliglWrCVT358F6miyG8nA+LQy+MrHgxo7bQx4kyMGbDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:28.993221Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.3246","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63f9f81b5ccd2554e9d03be949bdafb115bb1688583d9c07d36da4740c405ea1","sha256:f37cbd2b180c77614b6d8e678dcd29f6eb39c3419a3deb948faf1dc0bf5ce0bf"],"state_sha256":"6bb28c67166b0f54710ec47ce2f1e545a1a8fd40d6392aa41d5e5b14c5b2ebbe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9htl1Zius3BIE5Mth1qKYBKM/i98FXSd4pi3ztq+gpsiIg2WvLR72/SiR2et2m2IYSXmnjdFBcTn5+d9QiaUDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:47:06.990479Z","bundle_sha256":"a35b38ab826f920b640c8e0bae4f2d55bd50d65a9c8c499091bedba317d0332d"}}