{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:67A6T6SGQ6VBQ7YSTK4ZZODAEK","short_pith_number":"pith:67A6T6SG","canonical_record":{"source":{"id":"1202.0734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-02-03T15:25:32Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"672731d0e4410de2a79d1461163ddad6e5b082d2aa3eac8a0f3ea58699005dd4","abstract_canon_sha256":"22736a4e5c263a3453f8418dcebe0d53ec4bf58eecfbb434b2e473ade00443fc"},"schema_version":"1.0"},"canonical_sha256":"f7c1e9fa4687aa187f129ab99cb860228ae258eed84ed66b833c70be5393094f","source":{"kind":"arxiv","id":"1202.0734","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.0734","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"arxiv_version","alias_value":"1202.0734v1","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0734","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"pith_short_12","alias_value":"67A6T6SGQ6VB","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"67A6T6SGQ6VBQ7YS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"67A6T6SG","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:67A6T6SGQ6VBQ7YSTK4ZZODAEK","target":"record","payload":{"canonical_record":{"source":{"id":"1202.0734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-02-03T15:25:32Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"672731d0e4410de2a79d1461163ddad6e5b082d2aa3eac8a0f3ea58699005dd4","abstract_canon_sha256":"22736a4e5c263a3453f8418dcebe0d53ec4bf58eecfbb434b2e473ade00443fc"},"schema_version":"1.0"},"canonical_sha256":"f7c1e9fa4687aa187f129ab99cb860228ae258eed84ed66b833c70be5393094f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:03:08.063060Z","signature_b64":"X7z3PDfutYEeoPUwbXxwjDVabLuWtUkvFADvdSaZ5QKxXi4cZ/ovzC66pS219NmRQdYjHUCq/bAhFGvaxXJ4Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7c1e9fa4687aa187f129ab99cb860228ae258eed84ed66b833c70be5393094f","last_reissued_at":"2026-05-18T04:03:08.062499Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:03:08.062499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.0734","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":"2026-05-18T04:03:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QanDSnZIZklElxcoVDUlb+g9NsYD/O/JTjbLDXvPrZ/Yzjthqd5Tj7u5206CxyGnc/Unub++tiNephz0nGraBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:29:56.312282Z"},"content_sha256":"5ba09fc5e7c9ce751d6ac5b330f114099d26b7d044065ac791da499107804271","schema_version":"1.0","event_id":"sha256:5ba09fc5e7c9ce751d6ac5b330f114099d26b7d044065ac791da499107804271"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:67A6T6SGQ6VBQ7YSTK4ZZODAEK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Light-Front projection of spin-1 electromagnetic current and zero-modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Brazil), J. P. B. C. de Melo (Laborat\\'orio de Fisica Te\\'orica e Computa\\c{c}\\~ao Cient\\'ifica - LFTC, T. Frederico (Instituto Tecnol\\'ogico de Aeron\\'autica, Universidade Cruzeiro do Sul","submitted_at":"2012-02-03T15:25:32Z","abstract_excerpt":"The issue of the contribution of zero-modes to the light-front projection of the electromagnetic current of phenomenological models of vector particles vertices is addressed in the Drell-Yan frame. Our analytical model of the Bethe-Salpeter amplitude of a spin-1 fermion-antifermion composite state gives a physically motivated light-front wave function symmetric by the exchange of the fermion and antifermion, as in the $\\rho$-meson case. We found that among the four independent matrix elements of the plus component in the light-front helicity basis only the $0\\to 0$ one carries zero mode contri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0734","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":"2026-05-18T04:03:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"17LT0wLtxOWxUmxj9XrKDfJnKR/ZeEZVeAmxqli8u6GfyUEedw1kMg0Imzb2ntEXnD2GwaHWbMHYjrIBjXaMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:29:56.313076Z"},"content_sha256":"15bc97ecb29271b3b2c9f7e6976b01dfafd1715d14454cc9fab3acd2e23384a8","schema_version":"1.0","event_id":"sha256:15bc97ecb29271b3b2c9f7e6976b01dfafd1715d14454cc9fab3acd2e23384a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67A6T6SGQ6VBQ7YSTK4ZZODAEK/bundle.json","state_url":"https://pith.science/pith/67A6T6SGQ6VBQ7YSTK4ZZODAEK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67A6T6SGQ6VBQ7YSTK4ZZODAEK/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":"2026-06-07T00:29:56Z","links":{"resolver":"https://pith.science/pith/67A6T6SGQ6VBQ7YSTK4ZZODAEK","bundle":"https://pith.science/pith/67A6T6SGQ6VBQ7YSTK4ZZODAEK/bundle.json","state":"https://pith.science/pith/67A6T6SGQ6VBQ7YSTK4ZZODAEK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67A6T6SGQ6VBQ7YSTK4ZZODAEK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:67A6T6SGQ6VBQ7YSTK4ZZODAEK","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":"22736a4e5c263a3453f8418dcebe0d53ec4bf58eecfbb434b2e473ade00443fc","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-02-03T15:25:32Z","title_canon_sha256":"672731d0e4410de2a79d1461163ddad6e5b082d2aa3eac8a0f3ea58699005dd4"},"schema_version":"1.0","source":{"id":"1202.0734","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.0734","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"arxiv_version","alias_value":"1202.0734v1","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0734","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"pith_short_12","alias_value":"67A6T6SGQ6VB","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"67A6T6SGQ6VBQ7YS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"67A6T6SG","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:15bc97ecb29271b3b2c9f7e6976b01dfafd1715d14454cc9fab3acd2e23384a8","target":"graph","created_at":"2026-05-18T04:03:08Z","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 issue of the contribution of zero-modes to the light-front projection of the electromagnetic current of phenomenological models of vector particles vertices is addressed in the Drell-Yan frame. Our analytical model of the Bethe-Salpeter amplitude of a spin-1 fermion-antifermion composite state gives a physically motivated light-front wave function symmetric by the exchange of the fermion and antifermion, as in the $\\rho$-meson case. We found that among the four independent matrix elements of the plus component in the light-front helicity basis only the $0\\to 0$ one carries zero mode contri","authors_text":"Brazil), J. P. B. C. de Melo (Laborat\\'orio de Fisica Te\\'orica e Computa\\c{c}\\~ao Cient\\'ifica - LFTC, T. Frederico (Instituto Tecnol\\'ogico de Aeron\\'autica, Universidade Cruzeiro do Sul","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-02-03T15:25:32Z","title":"Light-Front projection of spin-1 electromagnetic current and zero-modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0734","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":"sha256:5ba09fc5e7c9ce751d6ac5b330f114099d26b7d044065ac791da499107804271","target":"record","created_at":"2026-05-18T04:03:08Z","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":"22736a4e5c263a3453f8418dcebe0d53ec4bf58eecfbb434b2e473ade00443fc","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-02-03T15:25:32Z","title_canon_sha256":"672731d0e4410de2a79d1461163ddad6e5b082d2aa3eac8a0f3ea58699005dd4"},"schema_version":"1.0","source":{"id":"1202.0734","kind":"arxiv","version":1}},"canonical_sha256":"f7c1e9fa4687aa187f129ab99cb860228ae258eed84ed66b833c70be5393094f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7c1e9fa4687aa187f129ab99cb860228ae258eed84ed66b833c70be5393094f","first_computed_at":"2026-05-18T04:03:08.062499Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:03:08.062499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X7z3PDfutYEeoPUwbXxwjDVabLuWtUkvFADvdSaZ5QKxXi4cZ/ovzC66pS219NmRQdYjHUCq/bAhFGvaxXJ4Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:03:08.063060Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.0734","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ba09fc5e7c9ce751d6ac5b330f114099d26b7d044065ac791da499107804271","sha256:15bc97ecb29271b3b2c9f7e6976b01dfafd1715d14454cc9fab3acd2e23384a8"],"state_sha256":"e3c4286cd755a784a17ee22c396c3a3463cfb0c100bc51af54640841361f4214"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"51h7sR4vJA1oc20U4KnmesLBs1SA2y3B8zJqgFhCifivaC9L9KEnJ9gPpcYQWh2Lg0QeAaEG4SiKC4qpcNjEDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T00:29:56.317378Z","bundle_sha256":"5a97dba2675223d845f6df61b7adfe08f27bbf3e922228a97fa05ed348123a8a"}}