{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SMSI2HWC276JV7CHQJPVFECOS7","short_pith_number":"pith:SMSI2HWC","canonical_record":{"source":{"id":"1412.1635","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-12-04T11:55:44Z","cross_cats_sorted":[],"title_canon_sha256":"458ac0237b29a7cd7dd24ed9dbb9cb3f59533a0d2366c0bcd0fd32f5a8f5229d","abstract_canon_sha256":"ecdecece57312aac81275941287922f16bf71397b00744b868818a92d17e070f"},"schema_version":"1.0"},"canonical_sha256":"93248d1ec2d7fc9afc47825f52904e97fbdb2aa18ad42f5ac4e0ff3a8290ed71","source":{"kind":"arxiv","id":"1412.1635","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1635","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1635v2","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1635","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"pith_short_12","alias_value":"SMSI2HWC276J","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SMSI2HWC276JV7CH","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SMSI2HWC","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SMSI2HWC276JV7CHQJPVFECOS7","target":"record","payload":{"canonical_record":{"source":{"id":"1412.1635","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-12-04T11:55:44Z","cross_cats_sorted":[],"title_canon_sha256":"458ac0237b29a7cd7dd24ed9dbb9cb3f59533a0d2366c0bcd0fd32f5a8f5229d","abstract_canon_sha256":"ecdecece57312aac81275941287922f16bf71397b00744b868818a92d17e070f"},"schema_version":"1.0"},"canonical_sha256":"93248d1ec2d7fc9afc47825f52904e97fbdb2aa18ad42f5ac4e0ff3a8290ed71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:31.350879Z","signature_b64":"SOIrok0GdnpnCF1tYXngHiuPptEWXes+MqBWbp/SqGA+9jz1YbVvdYtHcXcTk1lfJ7jONUb6Fgcv895jh/shDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93248d1ec2d7fc9afc47825f52904e97fbdb2aa18ad42f5ac4e0ff3a8290ed71","last_reissued_at":"2026-05-18T01:49:31.350449Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:31.350449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.1635","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":"2026-05-18T01:49:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AZ9ZVMTmbIQJapWmVtz0Ns/oc18xRVklm+IwCWHfFI1B1qfg62Gut6nxnl+1AXruBtBrWEViCIqwI36OFMQiBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:58:55.022168Z"},"content_sha256":"f654fd22d44d417381af048c9b3f16939eb81b8421da733f5b775aa0d6e69ecb","schema_version":"1.0","event_id":"sha256:f654fd22d44d417381af048c9b3f16939eb81b8421da733f5b775aa0d6e69ecb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SMSI2HWC276JV7CHQJPVFECOS7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Higher derivative Chern-Simons extension in the noncommutative QED$_{3}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"M. Ghasemkhani, R. Bufalo","submitted_at":"2014-12-04T11:55:44Z","abstract_excerpt":"The noncommutative (NC) massive quantum electrodynamics in $2+1$ dimensions is considered. We show explicitly that the one-loop effective action arising from the integrating out the fermionic fields leads to the ordinary NC Chern-Simons and NC Maxwell action at the long wavelength limit (large fermion mass). In the next to leading order, the higher-derivative contributions to NC Chern-Simons are obtained. Moreover, the gauge invariance of the outcome action is carefully discussed. We then consider the higher-derivative modification into the pure NC Chern-Simons Lagrangian density and evaluate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1635","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":"2026-05-18T01:49:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sdIrTNXRPS44cS7Poyi488v8HmMqs01nQZxIbbnePRfc8ehvHP899Yp20s5S75IAoZG8ivmXiwlIO+1I9MzgAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:58:55.022828Z"},"content_sha256":"a26359534825d4974bfa1a67c1f956d427207571f76be6b9bb0e462c21477f98","schema_version":"1.0","event_id":"sha256:a26359534825d4974bfa1a67c1f956d427207571f76be6b9bb0e462c21477f98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SMSI2HWC276JV7CHQJPVFECOS7/bundle.json","state_url":"https://pith.science/pith/SMSI2HWC276JV7CHQJPVFECOS7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SMSI2HWC276JV7CHQJPVFECOS7/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":"2026-05-26T19:58:55Z","links":{"resolver":"https://pith.science/pith/SMSI2HWC276JV7CHQJPVFECOS7","bundle":"https://pith.science/pith/SMSI2HWC276JV7CHQJPVFECOS7/bundle.json","state":"https://pith.science/pith/SMSI2HWC276JV7CHQJPVFECOS7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SMSI2HWC276JV7CHQJPVFECOS7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SMSI2HWC276JV7CHQJPVFECOS7","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":"ecdecece57312aac81275941287922f16bf71397b00744b868818a92d17e070f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-12-04T11:55:44Z","title_canon_sha256":"458ac0237b29a7cd7dd24ed9dbb9cb3f59533a0d2366c0bcd0fd32f5a8f5229d"},"schema_version":"1.0","source":{"id":"1412.1635","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1635","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1635v2","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1635","created_at":"2026-05-18T01:49:31Z"},{"alias_kind":"pith_short_12","alias_value":"SMSI2HWC276J","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SMSI2HWC276JV7CH","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SMSI2HWC","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:a26359534825d4974bfa1a67c1f956d427207571f76be6b9bb0e462c21477f98","target":"graph","created_at":"2026-05-18T01:49:31Z","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 noncommutative (NC) massive quantum electrodynamics in $2+1$ dimensions is considered. We show explicitly that the one-loop effective action arising from the integrating out the fermionic fields leads to the ordinary NC Chern-Simons and NC Maxwell action at the long wavelength limit (large fermion mass). In the next to leading order, the higher-derivative contributions to NC Chern-Simons are obtained. Moreover, the gauge invariance of the outcome action is carefully discussed. We then consider the higher-derivative modification into the pure NC Chern-Simons Lagrangian density and evaluate ","authors_text":"M. Ghasemkhani, R. Bufalo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-12-04T11:55:44Z","title":"Higher derivative Chern-Simons extension in the noncommutative QED$_{3}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1635","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:f654fd22d44d417381af048c9b3f16939eb81b8421da733f5b775aa0d6e69ecb","target":"record","created_at":"2026-05-18T01:49:31Z","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":"ecdecece57312aac81275941287922f16bf71397b00744b868818a92d17e070f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-12-04T11:55:44Z","title_canon_sha256":"458ac0237b29a7cd7dd24ed9dbb9cb3f59533a0d2366c0bcd0fd32f5a8f5229d"},"schema_version":"1.0","source":{"id":"1412.1635","kind":"arxiv","version":2}},"canonical_sha256":"93248d1ec2d7fc9afc47825f52904e97fbdb2aa18ad42f5ac4e0ff3a8290ed71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93248d1ec2d7fc9afc47825f52904e97fbdb2aa18ad42f5ac4e0ff3a8290ed71","first_computed_at":"2026-05-18T01:49:31.350449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:31.350449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SOIrok0GdnpnCF1tYXngHiuPptEWXes+MqBWbp/SqGA+9jz1YbVvdYtHcXcTk1lfJ7jONUb6Fgcv895jh/shDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:31.350879Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.1635","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f654fd22d44d417381af048c9b3f16939eb81b8421da733f5b775aa0d6e69ecb","sha256:a26359534825d4974bfa1a67c1f956d427207571f76be6b9bb0e462c21477f98"],"state_sha256":"5ebf8eb4f8c24bb452f9ff7f5c3e6930ca3fbf7f7ca79ac4252464bab83708e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qTPk38QBZWdzeJqdUUeF/qKkystEoTZMPmXoXmYh57DTxWA96c/m9wlSzzpJYyne+STU4WU7Qd8svuq4VQIQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:58:55.027069Z","bundle_sha256":"40b416859ee3762f404f6dd8624db0ddef9dc18992b02be933b7908bc5b138b3"}}