{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:3UD5FRLHDZWEMSO3TSAFENZLIO","short_pith_number":"pith:3UD5FRLH","canonical_record":{"source":{"id":"1204.6609","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-30T12:09:02Z","cross_cats_sorted":["hep-ph","math-ph","math.MP"],"title_canon_sha256":"42ac4ebfbff7276ad245246fdfb427534c2edf560f454b50dd731f0a840924ca","abstract_canon_sha256":"b074dd98ef3e27f460aa20f326607c99705e39f9bf1802958f550f19c3b4da97"},"schema_version":"1.0"},"canonical_sha256":"dd07d2c5671e6c4649db9c8052372b4394f20b7489d1efef4ba3b947a8a93674","source":{"kind":"arxiv","id":"1204.6609","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6609","created_at":"2026-05-18T03:56:44Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6609v1","created_at":"2026-05-18T03:56:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6609","created_at":"2026-05-18T03:56:44Z"},{"alias_kind":"pith_short_12","alias_value":"3UD5FRLHDZWE","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3UD5FRLHDZWEMSO3","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3UD5FRLH","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:3UD5FRLHDZWEMSO3TSAFENZLIO","target":"record","payload":{"canonical_record":{"source":{"id":"1204.6609","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-30T12:09:02Z","cross_cats_sorted":["hep-ph","math-ph","math.MP"],"title_canon_sha256":"42ac4ebfbff7276ad245246fdfb427534c2edf560f454b50dd731f0a840924ca","abstract_canon_sha256":"b074dd98ef3e27f460aa20f326607c99705e39f9bf1802958f550f19c3b4da97"},"schema_version":"1.0"},"canonical_sha256":"dd07d2c5671e6c4649db9c8052372b4394f20b7489d1efef4ba3b947a8a93674","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:56:44.333893Z","signature_b64":"nHmR4ENZVcsH6VkMGwfGpyMEhsjk/5zE+xxsAmeXuVqR890zh/GhZ5XSmNAOgAxT1bohOUkX3N2HxSQMUIWACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd07d2c5671e6c4649db9c8052372b4394f20b7489d1efef4ba3b947a8a93674","last_reissued_at":"2026-05-18T03:56:44.333396Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:56:44.333396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.6609","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":"2026-05-18T03:56:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DUBZ4BToBezhkCKF9/cjNutLxeKOj/dGtEtjU9tVwksXWMDb5g520C0BBbwFrCHNycwctTRDn5CclRey8Jx/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T10:42:42.473429Z"},"content_sha256":"5788af3586210b189e8bc6c4710629a07e47d2379d2d444ce0527e3cddbd17eb","schema_version":"1.0","event_id":"sha256:5788af3586210b189e8bc6c4710629a07e47d2379d2d444ce0527e3cddbd17eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:3UD5FRLHDZWEMSO3TSAFENZLIO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electric Dipole Moment from QCD $\\theta$ and How It Vanishes for Mixed States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Amilcar R. de Queiroz, A. P. Balachandran, T. R. Govindarajan","submitted_at":"2012-04-30T12:09:02Z","abstract_excerpt":"In a previous paper [1], we studied the $\\eta'$ mass and formulated its chirally symmetric coupling to fermions which induces electric dipole moment (EDM). Here we calculate the EDM to one-loop. It is finite, having no ultraviolet divergence while its infrared divergence is canceled by soft photon emission processes \\emph{exactly} as for $\\theta=0$. The coupling does not lead to new divergences (not present for $\\sin\\theta=0$) in soft photon processes either. Furthermore, as it was argued previously [1], the EDM vanishes if suitable mixed quantum states are used. This means that in a quantum t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6609","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":"2026-05-18T03:56:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SbB3Er6HYiKr+fcvTF5F93NRDsIUlBxJLGmM5YEvQAvK5bvBTXN9UI6eLbQv4GIE74CuEbVwzObl8/gGvh+LCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T10:42:42.473776Z"},"content_sha256":"a4b2b417997bcab9784bbba36436c63435f3b58070ad8ed342e660f3717abe16","schema_version":"1.0","event_id":"sha256:a4b2b417997bcab9784bbba36436c63435f3b58070ad8ed342e660f3717abe16"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3UD5FRLHDZWEMSO3TSAFENZLIO/bundle.json","state_url":"https://pith.science/pith/3UD5FRLHDZWEMSO3TSAFENZLIO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3UD5FRLHDZWEMSO3TSAFENZLIO/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":"2026-05-20T10:42:42Z","links":{"resolver":"https://pith.science/pith/3UD5FRLHDZWEMSO3TSAFENZLIO","bundle":"https://pith.science/pith/3UD5FRLHDZWEMSO3TSAFENZLIO/bundle.json","state":"https://pith.science/pith/3UD5FRLHDZWEMSO3TSAFENZLIO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3UD5FRLHDZWEMSO3TSAFENZLIO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:3UD5FRLHDZWEMSO3TSAFENZLIO","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":"b074dd98ef3e27f460aa20f326607c99705e39f9bf1802958f550f19c3b4da97","cross_cats_sorted":["hep-ph","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-30T12:09:02Z","title_canon_sha256":"42ac4ebfbff7276ad245246fdfb427534c2edf560f454b50dd731f0a840924ca"},"schema_version":"1.0","source":{"id":"1204.6609","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6609","created_at":"2026-05-18T03:56:44Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6609v1","created_at":"2026-05-18T03:56:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6609","created_at":"2026-05-18T03:56:44Z"},{"alias_kind":"pith_short_12","alias_value":"3UD5FRLHDZWE","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3UD5FRLHDZWEMSO3","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3UD5FRLH","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:a4b2b417997bcab9784bbba36436c63435f3b58070ad8ed342e660f3717abe16","target":"graph","created_at":"2026-05-18T03:56:44Z","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":"In a previous paper [1], we studied the $\\eta'$ mass and formulated its chirally symmetric coupling to fermions which induces electric dipole moment (EDM). Here we calculate the EDM to one-loop. It is finite, having no ultraviolet divergence while its infrared divergence is canceled by soft photon emission processes \\emph{exactly} as for $\\theta=0$. The coupling does not lead to new divergences (not present for $\\sin\\theta=0$) in soft photon processes either. Furthermore, as it was argued previously [1], the EDM vanishes if suitable mixed quantum states are used. This means that in a quantum t","authors_text":"Amilcar R. de Queiroz, A. P. Balachandran, T. R. Govindarajan","cross_cats":["hep-ph","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-30T12:09:02Z","title":"Electric Dipole Moment from QCD $\\theta$ and How It Vanishes for Mixed States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6609","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":"sha256:5788af3586210b189e8bc6c4710629a07e47d2379d2d444ce0527e3cddbd17eb","target":"record","created_at":"2026-05-18T03:56:44Z","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":"b074dd98ef3e27f460aa20f326607c99705e39f9bf1802958f550f19c3b4da97","cross_cats_sorted":["hep-ph","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-30T12:09:02Z","title_canon_sha256":"42ac4ebfbff7276ad245246fdfb427534c2edf560f454b50dd731f0a840924ca"},"schema_version":"1.0","source":{"id":"1204.6609","kind":"arxiv","version":1}},"canonical_sha256":"dd07d2c5671e6c4649db9c8052372b4394f20b7489d1efef4ba3b947a8a93674","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd07d2c5671e6c4649db9c8052372b4394f20b7489d1efef4ba3b947a8a93674","first_computed_at":"2026-05-18T03:56:44.333396Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:56:44.333396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nHmR4ENZVcsH6VkMGwfGpyMEhsjk/5zE+xxsAmeXuVqR890zh/GhZ5XSmNAOgAxT1bohOUkX3N2HxSQMUIWACg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:56:44.333893Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.6609","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5788af3586210b189e8bc6c4710629a07e47d2379d2d444ce0527e3cddbd17eb","sha256:a4b2b417997bcab9784bbba36436c63435f3b58070ad8ed342e660f3717abe16"],"state_sha256":"1b43a94835c4ebec07054458ade10a04411273576962ab108252c037e60b498d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qh2vawgSySgyJHtay1i27kTMC/NMHjaaOt416G9JZxXlU27lLgurfBhAxrzNhzq+P/hvWQFU6MPu83IHzW1KBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T10:42:42.475705Z","bundle_sha256":"0080f7df8d57bb6ec319bbdae6136556fa6815765d8eff59cb604c9e41c956cf"}}