{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:FDHRPCZV4JO2NJATGXKVW4EZG5","short_pith_number":"pith:FDHRPCZV","canonical_record":{"source":{"id":"1109.3108","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-14T15:17:01Z","cross_cats_sorted":["nucl-ex","nucl-th"],"title_canon_sha256":"16af2f8e63584cb61d64be74e39bfe9e0864db81a5afa8d4176269da07ca244d","abstract_canon_sha256":"17370f8d6fc98ea89c00dc9decf14cf596f7c579dc4db6a2871d883ddb25418a"},"schema_version":"1.0"},"canonical_sha256":"28cf178b35e25da6a41335d55b70993746c9fa4928286f12ad5112a73d51c2c3","source":{"kind":"arxiv","id":"1109.3108","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3108","created_at":"2026-05-18T03:32:05Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3108v2","created_at":"2026-05-18T03:32:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3108","created_at":"2026-05-18T03:32:05Z"},{"alias_kind":"pith_short_12","alias_value":"FDHRPCZV4JO2","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FDHRPCZV4JO2NJAT","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FDHRPCZV","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:FDHRPCZV4JO2NJATGXKVW4EZG5","target":"record","payload":{"canonical_record":{"source":{"id":"1109.3108","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-14T15:17:01Z","cross_cats_sorted":["nucl-ex","nucl-th"],"title_canon_sha256":"16af2f8e63584cb61d64be74e39bfe9e0864db81a5afa8d4176269da07ca244d","abstract_canon_sha256":"17370f8d6fc98ea89c00dc9decf14cf596f7c579dc4db6a2871d883ddb25418a"},"schema_version":"1.0"},"canonical_sha256":"28cf178b35e25da6a41335d55b70993746c9fa4928286f12ad5112a73d51c2c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:05.885966Z","signature_b64":"eft8ZLS9ShPmohK14R1skmMoCuLs82VDTiDJ/8sX1BdgQDmT0RwltihXahOz4/Ybk60gEW22+yhrzGL3GsZmAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28cf178b35e25da6a41335d55b70993746c9fa4928286f12ad5112a73d51c2c3","last_reissued_at":"2026-05-18T03:32:05.885329Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:05.885329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.3108","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":"2026-05-18T03:32:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FRVuF4F7Zc+jErBY8UVw6LH+A4BTj1uBIMF7F1lCZIvVHM9GTQ3OMCEHmNK3mljL+LJPCut57ceI5ygRC+miCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:54:43.411693Z"},"content_sha256":"b05d13fe2a4e8b82ac565aab3340f417695a8593de734024e1b0ebe6bb34c583","schema_version":"1.0","event_id":"sha256:b05d13fe2a4e8b82ac565aab3340f417695a8593de734024e1b0ebe6bb34c583"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:FDHRPCZV4JO2NJATGXKVW4EZG5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing flavor-dependent EMC effect with W boson production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Dipangkar Dutta, Ian Cloet, Jen-Chieh Peng, Wen-Chen Chang","submitted_at":"2011-09-14T15:17:01Z","abstract_excerpt":"A recent theoretical model predicts that the modification of quark distributions in the nuclear medium (EMC effect) depends on the flavor of the quarks. We investigate $W$-boson production in proton-nucleus collision as a possible tool to test this theoretical prediction. Several experimental observables in $W$ production sensitive to the flavor-dependent EMC effect are identified. Calculations for these experimental observables at the RHIC and LHC energies are presented using the recent flavor-dependent EMC model."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3108","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":"2026-05-18T03:32:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ezeGVbuQ1U/On+gmO7qP58RaNm6Tl2B52vAZPmn1RSJSb+612blZCa+0FiWkdzlt+ye/e069vmfEGr+/0tsgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:54:43.412061Z"},"content_sha256":"1511d27090e5bcc82d7a77c072781bbcaec8b974e3f09bc06c8866d9b696a32f","schema_version":"1.0","event_id":"sha256:1511d27090e5bcc82d7a77c072781bbcaec8b974e3f09bc06c8866d9b696a32f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FDHRPCZV4JO2NJATGXKVW4EZG5/bundle.json","state_url":"https://pith.science/pith/FDHRPCZV4JO2NJATGXKVW4EZG5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FDHRPCZV4JO2NJATGXKVW4EZG5/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":"2026-06-01T05:54:43Z","links":{"resolver":"https://pith.science/pith/FDHRPCZV4JO2NJATGXKVW4EZG5","bundle":"https://pith.science/pith/FDHRPCZV4JO2NJATGXKVW4EZG5/bundle.json","state":"https://pith.science/pith/FDHRPCZV4JO2NJATGXKVW4EZG5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FDHRPCZV4JO2NJATGXKVW4EZG5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FDHRPCZV4JO2NJATGXKVW4EZG5","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":"17370f8d6fc98ea89c00dc9decf14cf596f7c579dc4db6a2871d883ddb25418a","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-14T15:17:01Z","title_canon_sha256":"16af2f8e63584cb61d64be74e39bfe9e0864db81a5afa8d4176269da07ca244d"},"schema_version":"1.0","source":{"id":"1109.3108","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3108","created_at":"2026-05-18T03:32:05Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3108v2","created_at":"2026-05-18T03:32:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3108","created_at":"2026-05-18T03:32:05Z"},{"alias_kind":"pith_short_12","alias_value":"FDHRPCZV4JO2","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FDHRPCZV4JO2NJAT","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FDHRPCZV","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:1511d27090e5bcc82d7a77c072781bbcaec8b974e3f09bc06c8866d9b696a32f","target":"graph","created_at":"2026-05-18T03:32:05Z","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":"A recent theoretical model predicts that the modification of quark distributions in the nuclear medium (EMC effect) depends on the flavor of the quarks. We investigate $W$-boson production in proton-nucleus collision as a possible tool to test this theoretical prediction. Several experimental observables in $W$ production sensitive to the flavor-dependent EMC effect are identified. Calculations for these experimental observables at the RHIC and LHC energies are presented using the recent flavor-dependent EMC model.","authors_text":"Dipangkar Dutta, Ian Cloet, Jen-Chieh Peng, Wen-Chen Chang","cross_cats":["nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-14T15:17:01Z","title":"Probing flavor-dependent EMC effect with W boson production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3108","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:b05d13fe2a4e8b82ac565aab3340f417695a8593de734024e1b0ebe6bb34c583","target":"record","created_at":"2026-05-18T03:32:05Z","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":"17370f8d6fc98ea89c00dc9decf14cf596f7c579dc4db6a2871d883ddb25418a","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-09-14T15:17:01Z","title_canon_sha256":"16af2f8e63584cb61d64be74e39bfe9e0864db81a5afa8d4176269da07ca244d"},"schema_version":"1.0","source":{"id":"1109.3108","kind":"arxiv","version":2}},"canonical_sha256":"28cf178b35e25da6a41335d55b70993746c9fa4928286f12ad5112a73d51c2c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28cf178b35e25da6a41335d55b70993746c9fa4928286f12ad5112a73d51c2c3","first_computed_at":"2026-05-18T03:32:05.885329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:05.885329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eft8ZLS9ShPmohK14R1skmMoCuLs82VDTiDJ/8sX1BdgQDmT0RwltihXahOz4/Ybk60gEW22+yhrzGL3GsZmAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:05.885966Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.3108","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b05d13fe2a4e8b82ac565aab3340f417695a8593de734024e1b0ebe6bb34c583","sha256:1511d27090e5bcc82d7a77c072781bbcaec8b974e3f09bc06c8866d9b696a32f"],"state_sha256":"15549b66dfc9878fdb00e8f5386453b1804e56c7a3bd15169ccd2a44f844ab9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AVBUr4lCkqGDkKLI34u0+EGOcfhPV4s/J36FmrLzHFXGaW8aJqBRy0UfGffooA1Ad541/0lOsM/br+DISa6hBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:54:43.414354Z","bundle_sha256":"f27acaa03caadec9c2bc42fafd08965deb013027865eaab30be6fa3777b36484"}}