{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:5D7ENHZIMGU3XO2QDIDO4FWFLH","short_pith_number":"pith:5D7ENHZI","canonical_record":{"source":{"id":"1411.7876","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-28T14:27:52Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"aeb628dfb175fa9faf699a67883301f6ad3f9c91ae39bbea1a4dbab4d3de2c10","abstract_canon_sha256":"77d97630e6262f3376dc2b75028e81ddd548fd172c514c9c47ca8a85cc5089ca"},"schema_version":"1.0"},"canonical_sha256":"e8fe469f2861a9bbbb501a06ee16c559e0997ed7ca0a118dd8f99917d267216d","source":{"kind":"arxiv","id":"1411.7876","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7876","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7876v2","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7876","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"pith_short_12","alias_value":"5D7ENHZIMGU3","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5D7ENHZIMGU3XO2Q","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5D7ENHZI","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:5D7ENHZIMGU3XO2QDIDO4FWFLH","target":"record","payload":{"canonical_record":{"source":{"id":"1411.7876","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-28T14:27:52Z","cross_cats_sorted":["hep-lat","nucl-th"],"title_canon_sha256":"aeb628dfb175fa9faf699a67883301f6ad3f9c91ae39bbea1a4dbab4d3de2c10","abstract_canon_sha256":"77d97630e6262f3376dc2b75028e81ddd548fd172c514c9c47ca8a85cc5089ca"},"schema_version":"1.0"},"canonical_sha256":"e8fe469f2861a9bbbb501a06ee16c559e0997ed7ca0a118dd8f99917d267216d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:03.602751Z","signature_b64":"LLgIL//ajgcnHTFJMnOQxeEVvxZjs/MLmGAJgS4sYdTCRi0l+LNkpNA7c2yuTFKISW9JMxZhiQ2680jg0AcyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8fe469f2861a9bbbb501a06ee16c559e0997ed7ca0a118dd8f99917d267216d","last_reissued_at":"2026-05-18T02:31:03.602149Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:03.602149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.7876","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":"2026-05-18T02:31:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GUZptdGFiu8tx0j0xSJJfHdkIpNu2AgdfSVoyirDKz9Zw/fNPfMlvoIyFDr0DFdh9TzSjdqp2pcpmDPiRxleDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:23:35.045070Z"},"content_sha256":"6c30e4259e77165822176431307981883bada73da61cc8c8a8926827bca716ee","schema_version":"1.0","event_id":"sha256:6c30e4259e77165822176431307981883bada73da61cc8c8a8926827bca716ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:5D7ENHZIMGU3XO2QDIDO4FWFLH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The muon g-2: Dyson-Schwinger status on hadronic light-by-light scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Christian S. Fischer, Gernot Eichmann, Richard Williams, Walter Heupel","submitted_at":"2014-11-28T14:27:52Z","abstract_excerpt":"We give a status report on the hadronic light-by-light scattering contribution to the muon's anomalous magnetic moment from the Dyson-Schwinger approach. We discuss novel, model-independent properties of the light-by-light amplitude: we give its covariant decomposition in view of electromagnetic gauge invariance and Bose symmetry, and we identify the relevant kinematic regions that are probed under the integral. The decomposition of the amplitude at the quark level and the importance of its various diagrams are discussed and related to model approaches."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7876","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":"2026-05-18T02:31:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ODdELFtXMO4GQwUc5j0qub+E0JKXn6WuqLip3kemxwMw5yVLJ9oaWzgZ7VnsRkkkPYH15VbpLSqwgWAEYvnXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:23:35.045985Z"},"content_sha256":"efdaeca1b8f81d3b2ee287c0bd000bfbe20214bb9195c69807fd941d05feaff0","schema_version":"1.0","event_id":"sha256:efdaeca1b8f81d3b2ee287c0bd000bfbe20214bb9195c69807fd941d05feaff0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5D7ENHZIMGU3XO2QDIDO4FWFLH/bundle.json","state_url":"https://pith.science/pith/5D7ENHZIMGU3XO2QDIDO4FWFLH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5D7ENHZIMGU3XO2QDIDO4FWFLH/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":"2026-05-31T16:23:35Z","links":{"resolver":"https://pith.science/pith/5D7ENHZIMGU3XO2QDIDO4FWFLH","bundle":"https://pith.science/pith/5D7ENHZIMGU3XO2QDIDO4FWFLH/bundle.json","state":"https://pith.science/pith/5D7ENHZIMGU3XO2QDIDO4FWFLH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5D7ENHZIMGU3XO2QDIDO4FWFLH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5D7ENHZIMGU3XO2QDIDO4FWFLH","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":"77d97630e6262f3376dc2b75028e81ddd548fd172c514c9c47ca8a85cc5089ca","cross_cats_sorted":["hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-28T14:27:52Z","title_canon_sha256":"aeb628dfb175fa9faf699a67883301f6ad3f9c91ae39bbea1a4dbab4d3de2c10"},"schema_version":"1.0","source":{"id":"1411.7876","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7876","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7876v2","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7876","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"pith_short_12","alias_value":"5D7ENHZIMGU3","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5D7ENHZIMGU3XO2Q","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5D7ENHZI","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:efdaeca1b8f81d3b2ee287c0bd000bfbe20214bb9195c69807fd941d05feaff0","target":"graph","created_at":"2026-05-18T02:31:03Z","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 give a status report on the hadronic light-by-light scattering contribution to the muon's anomalous magnetic moment from the Dyson-Schwinger approach. We discuss novel, model-independent properties of the light-by-light amplitude: we give its covariant decomposition in view of electromagnetic gauge invariance and Bose symmetry, and we identify the relevant kinematic regions that are probed under the integral. The decomposition of the amplitude at the quark level and the importance of its various diagrams are discussed and related to model approaches.","authors_text":"Christian S. Fischer, Gernot Eichmann, Richard Williams, Walter Heupel","cross_cats":["hep-lat","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-28T14:27:52Z","title":"The muon g-2: Dyson-Schwinger status on hadronic light-by-light scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7876","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":"sha256:6c30e4259e77165822176431307981883bada73da61cc8c8a8926827bca716ee","target":"record","created_at":"2026-05-18T02:31:03Z","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":"77d97630e6262f3376dc2b75028e81ddd548fd172c514c9c47ca8a85cc5089ca","cross_cats_sorted":["hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-11-28T14:27:52Z","title_canon_sha256":"aeb628dfb175fa9faf699a67883301f6ad3f9c91ae39bbea1a4dbab4d3de2c10"},"schema_version":"1.0","source":{"id":"1411.7876","kind":"arxiv","version":2}},"canonical_sha256":"e8fe469f2861a9bbbb501a06ee16c559e0997ed7ca0a118dd8f99917d267216d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8fe469f2861a9bbbb501a06ee16c559e0997ed7ca0a118dd8f99917d267216d","first_computed_at":"2026-05-18T02:31:03.602149Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:03.602149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LLgIL//ajgcnHTFJMnOQxeEVvxZjs/MLmGAJgS4sYdTCRi0l+LNkpNA7c2yuTFKISW9JMxZhiQ2680jg0AcyAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:03.602751Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.7876","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c30e4259e77165822176431307981883bada73da61cc8c8a8926827bca716ee","sha256:efdaeca1b8f81d3b2ee287c0bd000bfbe20214bb9195c69807fd941d05feaff0"],"state_sha256":"3170246d212e44a678b0c3fd4f073185aed4fb9dba1c180d2564cb328547cc47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rSWbJLXzFuzvu25d8ouYYAzQHIf2wGafWdyT5MkIV82Ls6zuJ5Da2hKCc7Ty518NGq6pEY0XehHiHmBpkjmFAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:23:35.050632Z","bundle_sha256":"486a8edca05b1488f5677547f8aebbe84e650948cc5a1eb86aeb1f2484967132"}}