{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WXHBL4ETNOXPNJGVITPSJWLR5U","short_pith_number":"pith:WXHBL4ET","canonical_record":{"source":{"id":"2109.02203","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-06T01:41:04Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"0173614bf218cf21bf768e82fdfcdf22a02f9fd4e3a1e9741b242e6feea05dd8","abstract_canon_sha256":"dad42dcfcd2129873395f5d06ca98afafdfabdeb8721a467895f7d05b5e72773"},"schema_version":"1.0"},"canonical_sha256":"b5ce15f0936baef6a4d544df24d971ed0304188d1c8ace52a50dd6dc7625c1d6","source":{"kind":"arxiv","id":"2109.02203","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.02203","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"arxiv_version","alias_value":"2109.02203v2","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.02203","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"pith_short_12","alias_value":"WXHBL4ETNOXP","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"pith_short_16","alias_value":"WXHBL4ETNOXPNJGV","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"pith_short_8","alias_value":"WXHBL4ET","created_at":"2026-07-05T04:07:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WXHBL4ETNOXPNJGVITPSJWLR5U","target":"record","payload":{"canonical_record":{"source":{"id":"2109.02203","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-06T01:41:04Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"0173614bf218cf21bf768e82fdfcdf22a02f9fd4e3a1e9741b242e6feea05dd8","abstract_canon_sha256":"dad42dcfcd2129873395f5d06ca98afafdfabdeb8721a467895f7d05b5e72773"},"schema_version":"1.0"},"canonical_sha256":"b5ce15f0936baef6a4d544df24d971ed0304188d1c8ace52a50dd6dc7625c1d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:07:24.758812Z","signature_b64":"e3f17GlVRyH1XhQ8YZH47nfnMR7HngZ3JIlRY+EaakstORIy1n2nC4VPtPS3MuQL9LaDvklzdSEJWTymy/gqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5ce15f0936baef6a4d544df24d971ed0304188d1c8ace52a50dd6dc7625c1d6","last_reissued_at":"2026-07-05T04:07:24.758354Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:07:24.758354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.02203","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":"2026-07-05T04:07:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fy271zPNbAcrwWomz4ykLF0Ocm5wGC10ejzSIIQ1WGTvRt+45l30Zur4wBPii9aRN/aGPwB0DYwWOHmqIpWaBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:07:13.966784Z"},"content_sha256":"29362f2dce1c524a522234e1cfb4f558defb26875a5b6724f2a7a9d749e4c53c","schema_version":"1.0","event_id":"sha256:29362f2dce1c524a522234e1cfb4f558defb26875a5b6724f2a7a9d749e4c53c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WXHBL4ETNOXPNJGVITPSJWLR5U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constituent quark axial current couplings to light vector mesons in the vacuum and with a weak magnetic field","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"F.L. Braghin","submitted_at":"2021-09-06T01:41:04Z","abstract_excerpt":"Unusual constituent quark axial current couplings to light vector mesons, $\\rho$ and $\\omega$, are derived in the vacuum and under weak magnetic field by considering a quark-antiquark interaction mediated by a non perturbative gluon exchange. Similarly, light axial mesons are found to couple anomalously with the constituent quark vector current. These interactions are of the type of the Wess-Zumino-Witten terms, being strongly anisotropic and dependent on the vector (or axial) meson polarization. They also provide axial (vector) form factors for the vector (axial) mesons and are quite small, s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.02203","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.02203/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:07:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ibgf/Dob9kCAGi5LPTV242p0eslauJeo6bu7xdHPnueMsxVS5K/VLc72iL6daNM7HDorGbdweLPwp8r62nzTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:07:13.967285Z"},"content_sha256":"1e025cb4787c8728d5a4eb8241b088594519f65af541d86562c54b2f5173762b","schema_version":"1.0","event_id":"sha256:1e025cb4787c8728d5a4eb8241b088594519f65af541d86562c54b2f5173762b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WXHBL4ETNOXPNJGVITPSJWLR5U/bundle.json","state_url":"https://pith.science/pith/WXHBL4ETNOXPNJGVITPSJWLR5U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WXHBL4ETNOXPNJGVITPSJWLR5U/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":"2026-08-03T16:07:13Z","links":{"resolver":"https://pith.science/pith/WXHBL4ETNOXPNJGVITPSJWLR5U","bundle":"https://pith.science/pith/WXHBL4ETNOXPNJGVITPSJWLR5U/bundle.json","state":"https://pith.science/pith/WXHBL4ETNOXPNJGVITPSJWLR5U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WXHBL4ETNOXPNJGVITPSJWLR5U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WXHBL4ETNOXPNJGVITPSJWLR5U","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":"dad42dcfcd2129873395f5d06ca98afafdfabdeb8721a467895f7d05b5e72773","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-06T01:41:04Z","title_canon_sha256":"0173614bf218cf21bf768e82fdfcdf22a02f9fd4e3a1e9741b242e6feea05dd8"},"schema_version":"1.0","source":{"id":"2109.02203","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.02203","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"arxiv_version","alias_value":"2109.02203v2","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.02203","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"pith_short_12","alias_value":"WXHBL4ETNOXP","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"pith_short_16","alias_value":"WXHBL4ETNOXPNJGV","created_at":"2026-07-05T04:07:24Z"},{"alias_kind":"pith_short_8","alias_value":"WXHBL4ET","created_at":"2026-07-05T04:07:24Z"}],"graph_snapshots":[{"event_id":"sha256:1e025cb4787c8728d5a4eb8241b088594519f65af541d86562c54b2f5173762b","target":"graph","created_at":"2026-07-05T04:07:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.02203/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Unusual constituent quark axial current couplings to light vector mesons, $\\rho$ and $\\omega$, are derived in the vacuum and under weak magnetic field by considering a quark-antiquark interaction mediated by a non perturbative gluon exchange. Similarly, light axial mesons are found to couple anomalously with the constituent quark vector current. These interactions are of the type of the Wess-Zumino-Witten terms, being strongly anisotropic and dependent on the vector (or axial) meson polarization. They also provide axial (vector) form factors for the vector (axial) mesons and are quite small, s","authors_text":"F.L. Braghin","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-06T01:41:04Z","title":"Constituent quark axial current couplings to light vector mesons in the vacuum and with a weak magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.02203","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":"sha256:29362f2dce1c524a522234e1cfb4f558defb26875a5b6724f2a7a9d749e4c53c","target":"record","created_at":"2026-07-05T04:07:24Z","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":"dad42dcfcd2129873395f5d06ca98afafdfabdeb8721a467895f7d05b5e72773","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-06T01:41:04Z","title_canon_sha256":"0173614bf218cf21bf768e82fdfcdf22a02f9fd4e3a1e9741b242e6feea05dd8"},"schema_version":"1.0","source":{"id":"2109.02203","kind":"arxiv","version":2}},"canonical_sha256":"b5ce15f0936baef6a4d544df24d971ed0304188d1c8ace52a50dd6dc7625c1d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5ce15f0936baef6a4d544df24d971ed0304188d1c8ace52a50dd6dc7625c1d6","first_computed_at":"2026-07-05T04:07:24.758354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:07:24.758354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e3f17GlVRyH1XhQ8YZH47nfnMR7HngZ3JIlRY+EaakstORIy1n2nC4VPtPS3MuQL9LaDvklzdSEJWTymy/gqDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:07:24.758812Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.02203","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29362f2dce1c524a522234e1cfb4f558defb26875a5b6724f2a7a9d749e4c53c","sha256:1e025cb4787c8728d5a4eb8241b088594519f65af541d86562c54b2f5173762b"],"state_sha256":"a4f97f3273e2977dc517a65059b9536cb85c5cc78d26562c27cca0637c13cfe6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vcJQI+fj/WbHW8l6W477GlD0SHe8hI4VlRZaf2VTfEAklznivsmpHEbKnkKu7Mdu3baP7HT8CJPkXDGSf5zfDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:07:13.970618Z","bundle_sha256":"0e97307e3409ce05ef54ebfb7d4231e5822bc0a52c8a2579c1bf4c8763c42e6b"}}