{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:X7PE3QV2CHOUBN6QP4HJNMYDW2","short_pith_number":"pith:X7PE3QV2","canonical_record":{"source":{"id":"1409.5885","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-20T13:20:53Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"8d6c7d90fb54a5103373946efbe5dc491ae3d2ca9ce5f87eb8ed85d17f321ede","abstract_canon_sha256":"f13ea1cd4b9ff593d7ff2b4d16fce1edb3a41eb3f77a0c739af5a790877db525"},"schema_version":"1.0"},"canonical_sha256":"bfde4dc2ba11dd40b7d07f0e96b303b6b7422780fa601829ad5f022ced69a69e","source":{"kind":"arxiv","id":"1409.5885","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5885","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5885v2","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5885","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"X7PE3QV2CHOU","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"X7PE3QV2CHOUBN6Q","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"X7PE3QV2","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:X7PE3QV2CHOUBN6QP4HJNMYDW2","target":"record","payload":{"canonical_record":{"source":{"id":"1409.5885","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-20T13:20:53Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"8d6c7d90fb54a5103373946efbe5dc491ae3d2ca9ce5f87eb8ed85d17f321ede","abstract_canon_sha256":"f13ea1cd4b9ff593d7ff2b4d16fce1edb3a41eb3f77a0c739af5a790877db525"},"schema_version":"1.0"},"canonical_sha256":"bfde4dc2ba11dd40b7d07f0e96b303b6b7422780fa601829ad5f022ced69a69e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:19.898882Z","signature_b64":"ieGyI1T1mn/P4pTPbkgcm7WE3cXLeqMpmqvZk/LSTWTB1J6q7BF+bKkMroZA08Fj53pWg4aE7/UWHu8lMLRMCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfde4dc2ba11dd40b7d07f0e96b303b6b7422780fa601829ad5f022ced69a69e","last_reissued_at":"2026-05-18T01:31:19.898195Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:19.898195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.5885","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":"2026-05-18T01:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jhydSDFMPb/jqqZbxN36QfIxmIYZs1tPttIc9emqiDnYpwgAJwETMdF3DhnYTRUEocvW3eT6EXWYyS5YHUMxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T23:10:38.271181Z"},"content_sha256":"6a39cca2ecdb6052644e73e5ca65ae9dddcbf63fd81b351b1d123a7b6b1fb6d3","schema_version":"1.0","event_id":"sha256:6a39cca2ecdb6052644e73e5ca65ae9dddcbf63fd81b351b1d123a7b6b1fb6d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:X7PE3QV2CHOUBN6QP4HJNMYDW2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\bar d - \\bar u$ asymmetry in the proton in chiral effective theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Chueng-Ryong Ji, P. Wang, W. Melnitchouk, Yusupujiang Salamu","submitted_at":"2014-09-20T13:20:53Z","abstract_excerpt":"We compute the $\\bar d - \\bar u$ asymmetry in the proton in chiral effective theory, including both nucleon and $\\Delta$ degrees of freedom, within both the relativistic and heavy baryon frameworks. In addition to the distribution at $x>0$, we compute the corrections to the asymmetry arising from zero momentum contributions from pion rainbow and bubble diagrams at $x=0$, which have not been accounted for in previous analyses. We find that the empirical $x$ dependence of $\\bar d - \\bar u$ as well as the integrated asymmetry can be well reproduced in terms of a transverse momentum cutoff paramet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5885","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":"2026-05-18T01:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hNACa+W0U8y5kuZ7IU9Ja+ejsNZOi9NzsXhgmUFk1Vc2l7G1Bf8Dn8PifnmM8QveFWNuTer+PjCJsUme3ISWDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T23:10:38.271904Z"},"content_sha256":"85ce84fc89fbd88af2c28f9fc8fa0dce73808fc8a710e399f82a5d374e41ddb6","schema_version":"1.0","event_id":"sha256:85ce84fc89fbd88af2c28f9fc8fa0dce73808fc8a710e399f82a5d374e41ddb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X7PE3QV2CHOUBN6QP4HJNMYDW2/bundle.json","state_url":"https://pith.science/pith/X7PE3QV2CHOUBN6QP4HJNMYDW2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X7PE3QV2CHOUBN6QP4HJNMYDW2/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":"2026-05-23T23:10:38Z","links":{"resolver":"https://pith.science/pith/X7PE3QV2CHOUBN6QP4HJNMYDW2","bundle":"https://pith.science/pith/X7PE3QV2CHOUBN6QP4HJNMYDW2/bundle.json","state":"https://pith.science/pith/X7PE3QV2CHOUBN6QP4HJNMYDW2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X7PE3QV2CHOUBN6QP4HJNMYDW2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:X7PE3QV2CHOUBN6QP4HJNMYDW2","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":"f13ea1cd4b9ff593d7ff2b4d16fce1edb3a41eb3f77a0c739af5a790877db525","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-20T13:20:53Z","title_canon_sha256":"8d6c7d90fb54a5103373946efbe5dc491ae3d2ca9ce5f87eb8ed85d17f321ede"},"schema_version":"1.0","source":{"id":"1409.5885","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5885","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5885v2","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5885","created_at":"2026-05-18T01:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"X7PE3QV2CHOU","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"X7PE3QV2CHOUBN6Q","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"X7PE3QV2","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:85ce84fc89fbd88af2c28f9fc8fa0dce73808fc8a710e399f82a5d374e41ddb6","target":"graph","created_at":"2026-05-18T01:31:19Z","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":"We compute the $\\bar d - \\bar u$ asymmetry in the proton in chiral effective theory, including both nucleon and $\\Delta$ degrees of freedom, within both the relativistic and heavy baryon frameworks. In addition to the distribution at $x>0$, we compute the corrections to the asymmetry arising from zero momentum contributions from pion rainbow and bubble diagrams at $x=0$, which have not been accounted for in previous analyses. We find that the empirical $x$ dependence of $\\bar d - \\bar u$ as well as the integrated asymmetry can be well reproduced in terms of a transverse momentum cutoff paramet","authors_text":"Chueng-Ryong Ji, P. Wang, W. Melnitchouk, Yusupujiang Salamu","cross_cats":["hep-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-20T13:20:53Z","title":"$\\bar d - \\bar u$ asymmetry in the proton in chiral effective theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5885","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":"sha256:6a39cca2ecdb6052644e73e5ca65ae9dddcbf63fd81b351b1d123a7b6b1fb6d3","target":"record","created_at":"2026-05-18T01:31:19Z","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":"f13ea1cd4b9ff593d7ff2b4d16fce1edb3a41eb3f77a0c739af5a790877db525","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-20T13:20:53Z","title_canon_sha256":"8d6c7d90fb54a5103373946efbe5dc491ae3d2ca9ce5f87eb8ed85d17f321ede"},"schema_version":"1.0","source":{"id":"1409.5885","kind":"arxiv","version":2}},"canonical_sha256":"bfde4dc2ba11dd40b7d07f0e96b303b6b7422780fa601829ad5f022ced69a69e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bfde4dc2ba11dd40b7d07f0e96b303b6b7422780fa601829ad5f022ced69a69e","first_computed_at":"2026-05-18T01:31:19.898195Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:19.898195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ieGyI1T1mn/P4pTPbkgcm7WE3cXLeqMpmqvZk/LSTWTB1J6q7BF+bKkMroZA08Fj53pWg4aE7/UWHu8lMLRMCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:19.898882Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.5885","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a39cca2ecdb6052644e73e5ca65ae9dddcbf63fd81b351b1d123a7b6b1fb6d3","sha256:85ce84fc89fbd88af2c28f9fc8fa0dce73808fc8a710e399f82a5d374e41ddb6"],"state_sha256":"b77b454e1b876e707da5e1ce24293ac5e929c359bf27209d312bdffefe459eea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6FA0sKnxV8DnmxZiCkaqAV/WU73D2pgD1VfH5D+MThPAiMv7wXk2NCgTxm4y5CAkJ+oOF+8yjqJwEoiMlw2NAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T23:10:38.275244Z","bundle_sha256":"f4d0acc3b7e13e7008187f76ad7dbf76a0ab447c1d371f50f4852ac0e6f4a2d0"}}