{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:47MPKKJSZG3ZEMJPKCSBMPLAFZ","short_pith_number":"pith:47MPKKJS","canonical_record":{"source":{"id":"1203.4068","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-19T09:57:38Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"23d2e0c37ded6bf978279f1272a2656e3a3cc9a1e2fedca92577968131666db2","abstract_canon_sha256":"e4d3d2871f037aa82fe18280a0d75fbd6fb468bb2c404dd3dbacfb802d23e227"},"schema_version":"1.0"},"canonical_sha256":"e7d8f52932c9b792312f50a4163d602e6ff1ceb11506ed0e0fb3b312a4a5fc67","source":{"kind":"arxiv","id":"1203.4068","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.4068","created_at":"2026-05-18T01:25:16Z"},{"alias_kind":"arxiv_version","alias_value":"1203.4068v2","created_at":"2026-05-18T01:25:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.4068","created_at":"2026-05-18T01:25:16Z"},{"alias_kind":"pith_short_12","alias_value":"47MPKKJSZG3Z","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"47MPKKJSZG3ZEMJP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"47MPKKJS","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:47MPKKJSZG3ZEMJPKCSBMPLAFZ","target":"record","payload":{"canonical_record":{"source":{"id":"1203.4068","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-19T09:57:38Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"23d2e0c37ded6bf978279f1272a2656e3a3cc9a1e2fedca92577968131666db2","abstract_canon_sha256":"e4d3d2871f037aa82fe18280a0d75fbd6fb468bb2c404dd3dbacfb802d23e227"},"schema_version":"1.0"},"canonical_sha256":"e7d8f52932c9b792312f50a4163d602e6ff1ceb11506ed0e0fb3b312a4a5fc67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:16.580835Z","signature_b64":"1s1PXCjKsDU8OSypLGey+ntdgBxwsQO7dVexHkrowzkTMitvdPOBrhD/x7GyV3Htr/UCvgBtoJNUG/g2hLORAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7d8f52932c9b792312f50a4163d602e6ff1ceb11506ed0e0fb3b312a4a5fc67","last_reissued_at":"2026-05-18T01:25:16.580221Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:16.580221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.4068","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":"2026-05-18T01:25:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ymy4NUs/rEWaZ/lYRiHkNX7PIJkxjXjtDeNbqj7wLTSwrPVzJmGqb4Hrh9sZE5pJQn1fQvgXLQfDreC4UdBnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:13:28.791182Z"},"content_sha256":"9e64ef7e9f7f87b4e833868ca808d02210520fc462cca1353560f3b233d4aed4","schema_version":"1.0","event_id":"sha256:9e64ef7e9f7f87b4e833868ca808d02210520fc462cca1353560f3b233d4aed4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:47MPKKJSZG3ZEMJPKCSBMPLAFZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of Fermion Velocity Renormalization on Dynamical Mass Generation in QED$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"Hao-Ran Chang, Jing-Rong Wang, Jing Wang","submitted_at":"2012-03-19T09:57:38Z","abstract_excerpt":"We study dynamical fermion mass generation in (2+1)-dimensional quantum electrodynamics with a gauge field coupling to massless Dirac fermions and non-relativistic scalar bosons. We calculate the fermion velocity renormalization and then examine its influence on dynamical mass generation by using the Dyson-Schwinger equation. It is found that dynamical mass generation takes place even after including the scalar bosons as long as the bosonic compressibility parameter $\\xi$ is sufficiently small. In addition, the fermion velocity renormalization enhances the dynamically generated mass."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4068","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":"2026-05-18T01:25:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ztIzAKyIPEPc1BNGwiZaU0LZjg6xp8z97ni4S6mg4gs7OMNvvOBbP0gbpatbKMWRalQ8xqJVvYKrQX6jg818CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:13:28.791873Z"},"content_sha256":"87549f7253c2cd5b798b7215e850521f69c846cfb536009cf74e036d7cfa4405","schema_version":"1.0","event_id":"sha256:87549f7253c2cd5b798b7215e850521f69c846cfb536009cf74e036d7cfa4405"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/47MPKKJSZG3ZEMJPKCSBMPLAFZ/bundle.json","state_url":"https://pith.science/pith/47MPKKJSZG3ZEMJPKCSBMPLAFZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/47MPKKJSZG3ZEMJPKCSBMPLAFZ/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":"2026-05-30T09:13:28Z","links":{"resolver":"https://pith.science/pith/47MPKKJSZG3ZEMJPKCSBMPLAFZ","bundle":"https://pith.science/pith/47MPKKJSZG3ZEMJPKCSBMPLAFZ/bundle.json","state":"https://pith.science/pith/47MPKKJSZG3ZEMJPKCSBMPLAFZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/47MPKKJSZG3ZEMJPKCSBMPLAFZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:47MPKKJSZG3ZEMJPKCSBMPLAFZ","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":"e4d3d2871f037aa82fe18280a0d75fbd6fb468bb2c404dd3dbacfb802d23e227","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-19T09:57:38Z","title_canon_sha256":"23d2e0c37ded6bf978279f1272a2656e3a3cc9a1e2fedca92577968131666db2"},"schema_version":"1.0","source":{"id":"1203.4068","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.4068","created_at":"2026-05-18T01:25:16Z"},{"alias_kind":"arxiv_version","alias_value":"1203.4068v2","created_at":"2026-05-18T01:25:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.4068","created_at":"2026-05-18T01:25:16Z"},{"alias_kind":"pith_short_12","alias_value":"47MPKKJSZG3Z","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"47MPKKJSZG3ZEMJP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"47MPKKJS","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:87549f7253c2cd5b798b7215e850521f69c846cfb536009cf74e036d7cfa4405","target":"graph","created_at":"2026-05-18T01:25:16Z","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 study dynamical fermion mass generation in (2+1)-dimensional quantum electrodynamics with a gauge field coupling to massless Dirac fermions and non-relativistic scalar bosons. We calculate the fermion velocity renormalization and then examine its influence on dynamical mass generation by using the Dyson-Schwinger equation. It is found that dynamical mass generation takes place even after including the scalar bosons as long as the bosonic compressibility parameter $\\xi$ is sufficiently small. In addition, the fermion velocity renormalization enhances the dynamically generated mass.","authors_text":"Hao-Ran Chang, Jing-Rong Wang, Jing Wang","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-19T09:57:38Z","title":"Influence of Fermion Velocity Renormalization on Dynamical Mass Generation in QED$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4068","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":"sha256:9e64ef7e9f7f87b4e833868ca808d02210520fc462cca1353560f3b233d4aed4","target":"record","created_at":"2026-05-18T01:25:16Z","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":"e4d3d2871f037aa82fe18280a0d75fbd6fb468bb2c404dd3dbacfb802d23e227","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-03-19T09:57:38Z","title_canon_sha256":"23d2e0c37ded6bf978279f1272a2656e3a3cc9a1e2fedca92577968131666db2"},"schema_version":"1.0","source":{"id":"1203.4068","kind":"arxiv","version":2}},"canonical_sha256":"e7d8f52932c9b792312f50a4163d602e6ff1ceb11506ed0e0fb3b312a4a5fc67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7d8f52932c9b792312f50a4163d602e6ff1ceb11506ed0e0fb3b312a4a5fc67","first_computed_at":"2026-05-18T01:25:16.580221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:16.580221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1s1PXCjKsDU8OSypLGey+ntdgBxwsQO7dVexHkrowzkTMitvdPOBrhD/x7GyV3Htr/UCvgBtoJNUG/g2hLORAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:16.580835Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.4068","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e64ef7e9f7f87b4e833868ca808d02210520fc462cca1353560f3b233d4aed4","sha256:87549f7253c2cd5b798b7215e850521f69c846cfb536009cf74e036d7cfa4405"],"state_sha256":"c2950e8fc59db884131c1096403d3c396391ee902c5328c7cfec4a9c63d8e3de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kefHSpBpwqDY0P1OcwzPoRR0Vn2pKTEiuNDC5O0kwBR71uMvJmkwVCXTqmr4WtOBEViG712xrXGWh+ZcsReyCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:13:28.795143Z","bundle_sha256":"23430179a3e2dda8b564df03a38d96b68136b2a525f3f60207812aaafae9e95a"}}