{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:OB3IITVVOD5MTQ6AIQYVS2MKZG","short_pith_number":"pith:OB3IITVV","canonical_record":{"source":{"id":"2409.08099","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-12T14:53:15Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"6e72841397f2eb93d09e69d928451c4368dae918e1e19919bed42d5c3b022250","abstract_canon_sha256":"134b78ef9233dad6cb74a2e76c47ce7ab86374a5a70395ccb1918a824e4ff55b"},"schema_version":"1.0"},"canonical_sha256":"7076844eb570fac9c3c0443159698ac99b71676bb286236350640ab5513beb5f","source":{"kind":"arxiv","id":"2409.08099","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.08099","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"arxiv_version","alias_value":"2409.08099v2","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.08099","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"pith_short_12","alias_value":"OB3IITVVOD5M","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"pith_short_16","alias_value":"OB3IITVVOD5MTQ6A","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"pith_short_8","alias_value":"OB3IITVV","created_at":"2026-07-05T11:04:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:OB3IITVVOD5MTQ6AIQYVS2MKZG","target":"record","payload":{"canonical_record":{"source":{"id":"2409.08099","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-12T14:53:15Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"6e72841397f2eb93d09e69d928451c4368dae918e1e19919bed42d5c3b022250","abstract_canon_sha256":"134b78ef9233dad6cb74a2e76c47ce7ab86374a5a70395ccb1918a824e4ff55b"},"schema_version":"1.0"},"canonical_sha256":"7076844eb570fac9c3c0443159698ac99b71676bb286236350640ab5513beb5f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:04:39.723010Z","signature_b64":"SOHaS0FkCrupGa/13vzcsRElmrD32iAPXSRKrk9y98utsMr/ILi5LsazVyP7YyiLVbTFdJUMk5WNDmFWdAr4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7076844eb570fac9c3c0443159698ac99b71676bb286236350640ab5513beb5f","last_reissued_at":"2026-07-05T11:04:39.722421Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:04:39.722421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.08099","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":"2026-07-05T11:04:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wQGJBGriaDMhfyXmMbPfaS0rWNGbdr6y4dIcF+kqskWrSUOAou2xkjAMkNOIs3ZGjXiFaDKFn54G+jMzXb7nAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T21:33:57.558755Z"},"content_sha256":"4e0946ba4349991a33617ce653ad4be27e169098c5a54250bb392b3c20e88847","schema_version":"1.0","event_id":"sha256:4e0946ba4349991a33617ce653ad4be27e169098c5a54250bb392b3c20e88847"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:OB3IITVVOD5MTQ6AIQYVS2MKZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Procedure g5anchor to Anchor $\\gamma_5$ in Feynman Diagrams for the Standard Model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Long Chen","submitted_at":"2024-09-12T14:53:15Z","abstract_excerpt":"We present a procedure g5anchor to anchor $\\gamma_5$ in the definition of a Dirac trace with $\\gamma_5$ in Dimensional Regularization (DR) in Feynman diagrams for the Standard Model, based on a recent revision of the works by Kreimer, Gottlieb and Donohue. For each closed fermion chain with an odd number of primitive (i.e.~not-yet-clearly-defined) $\\gamma_5$ in a given Feynman diagram, g5anchor returns a definite set of anchor points for $\\gamma_5$, in terms of pairs of ordered fermion propagators; at each of these $\\gamma_5$ anchor points a fixed expression in terms of the Levi-Civita tensor "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.08099","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/2409.08099/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":"2026-07-05T11:04:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N2yfeRfKa7z/8gqXWdnT4n+4HvOQoc3BljKxClZ/W9Ro7kMqh19SBJAyTOFYqESuhQNkggAAYkaB7Rq7AFKeCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T21:33:57.559306Z"},"content_sha256":"1497a5322fbe10b547aed38cf5ae5c2ff6ac8072663a957b2dbf064ab17553c6","schema_version":"1.0","event_id":"sha256:1497a5322fbe10b547aed38cf5ae5c2ff6ac8072663a957b2dbf064ab17553c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OB3IITVVOD5MTQ6AIQYVS2MKZG/bundle.json","state_url":"https://pith.science/pith/OB3IITVVOD5MTQ6AIQYVS2MKZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OB3IITVVOD5MTQ6AIQYVS2MKZG/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":"2026-08-08T21:33:57Z","links":{"resolver":"https://pith.science/pith/OB3IITVVOD5MTQ6AIQYVS2MKZG","bundle":"https://pith.science/pith/OB3IITVVOD5MTQ6AIQYVS2MKZG/bundle.json","state":"https://pith.science/pith/OB3IITVVOD5MTQ6AIQYVS2MKZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OB3IITVVOD5MTQ6AIQYVS2MKZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:OB3IITVVOD5MTQ6AIQYVS2MKZG","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":"134b78ef9233dad6cb74a2e76c47ce7ab86374a5a70395ccb1918a824e4ff55b","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-12T14:53:15Z","title_canon_sha256":"6e72841397f2eb93d09e69d928451c4368dae918e1e19919bed42d5c3b022250"},"schema_version":"1.0","source":{"id":"2409.08099","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.08099","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"arxiv_version","alias_value":"2409.08099v2","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.08099","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"pith_short_12","alias_value":"OB3IITVVOD5M","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"pith_short_16","alias_value":"OB3IITVVOD5MTQ6A","created_at":"2026-07-05T11:04:39Z"},{"alias_kind":"pith_short_8","alias_value":"OB3IITVV","created_at":"2026-07-05T11:04:39Z"}],"graph_snapshots":[{"event_id":"sha256:1497a5322fbe10b547aed38cf5ae5c2ff6ac8072663a957b2dbf064ab17553c6","target":"graph","created_at":"2026-07-05T11:04:39Z","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/2409.08099/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a procedure g5anchor to anchor $\\gamma_5$ in the definition of a Dirac trace with $\\gamma_5$ in Dimensional Regularization (DR) in Feynman diagrams for the Standard Model, based on a recent revision of the works by Kreimer, Gottlieb and Donohue. For each closed fermion chain with an odd number of primitive (i.e.~not-yet-clearly-defined) $\\gamma_5$ in a given Feynman diagram, g5anchor returns a definite set of anchor points for $\\gamma_5$, in terms of pairs of ordered fermion propagators; at each of these $\\gamma_5$ anchor points a fixed expression in terms of the Levi-Civita tensor ","authors_text":"Long Chen","cross_cats":["hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-12T14:53:15Z","title":"A Procedure g5anchor to Anchor $\\gamma_5$ in Feynman Diagrams for the Standard Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.08099","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":"sha256:4e0946ba4349991a33617ce653ad4be27e169098c5a54250bb392b3c20e88847","target":"record","created_at":"2026-07-05T11:04:39Z","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":"134b78ef9233dad6cb74a2e76c47ce7ab86374a5a70395ccb1918a824e4ff55b","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-12T14:53:15Z","title_canon_sha256":"6e72841397f2eb93d09e69d928451c4368dae918e1e19919bed42d5c3b022250"},"schema_version":"1.0","source":{"id":"2409.08099","kind":"arxiv","version":2}},"canonical_sha256":"7076844eb570fac9c3c0443159698ac99b71676bb286236350640ab5513beb5f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7076844eb570fac9c3c0443159698ac99b71676bb286236350640ab5513beb5f","first_computed_at":"2026-07-05T11:04:39.722421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:04:39.722421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SOHaS0FkCrupGa/13vzcsRElmrD32iAPXSRKrk9y98utsMr/ILi5LsazVyP7YyiLVbTFdJUMk5WNDmFWdAr4Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:04:39.723010Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.08099","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e0946ba4349991a33617ce653ad4be27e169098c5a54250bb392b3c20e88847","sha256:1497a5322fbe10b547aed38cf5ae5c2ff6ac8072663a957b2dbf064ab17553c6"],"state_sha256":"09071d592c87b4f8456d4b88daf13a263a2de12612893beef727fb790225fb7b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jeV2k0xz0bLNHMlcLYo+ZKXTl2m6xh15ZU7sgZDvGAnNm83eo1bHp8dPktt0W1PnppJehenqymDhA3FL30r8Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T21:33:57.563195Z","bundle_sha256":"aa85b7d51f4f34efa68c894236d2965d015529e16fba945e5a486d3df9a62ee6"}}