{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KSSWLHVC6RSV6OQDAK2BELI3ZW","short_pith_number":"pith:KSSWLHVC","canonical_record":{"source":{"id":"1402.5005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-20T14:15:15Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"14f72484ebc36d9f0324a913e480dac76f47dab5dc13e1d7cc9fa7049a65e9a0","abstract_canon_sha256":"555864226b833a710dbe8a2f8ec4f56f9f046c78d52b7ae8fd442df783abf831"},"schema_version":"1.0"},"canonical_sha256":"54a5659ea2f4655f3a0302b4122d1bcd82401166895d0b61accd03a9c52efe09","source":{"kind":"arxiv","id":"1402.5005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5005","created_at":"2026-05-18T02:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5005v1","created_at":"2026-05-18T02:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5005","created_at":"2026-05-18T02:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"KSSWLHVC6RSV","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KSSWLHVC6RSV6OQD","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KSSWLHVC","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KSSWLHVC6RSV6OQDAK2BELI3ZW","target":"record","payload":{"canonical_record":{"source":{"id":"1402.5005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-20T14:15:15Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"14f72484ebc36d9f0324a913e480dac76f47dab5dc13e1d7cc9fa7049a65e9a0","abstract_canon_sha256":"555864226b833a710dbe8a2f8ec4f56f9f046c78d52b7ae8fd442df783abf831"},"schema_version":"1.0"},"canonical_sha256":"54a5659ea2f4655f3a0302b4122d1bcd82401166895d0b61accd03a9c52efe09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:43.152304Z","signature_b64":"5wVnA8Q7Jd6tX+b3D0mXb/3YbhoMgOVsXyPftKKamQ9OQDvS36s9CT8uHrlfjoOWDHcVgZd7bZKDItimvnQ5CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54a5659ea2f4655f3a0302b4122d1bcd82401166895d0b61accd03a9c52efe09","last_reissued_at":"2026-05-18T02:57:43.151768Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:43.151768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.5005","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":"2026-05-18T02:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/mAbcYhbTIcKekyFPEoof8iPOyGfqnazcdrvDKP1PbzlTD8BaANgrgiTn0Q9tiPBCnv9DYJ98B+UPBXgRQjcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T16:53:58.342612Z"},"content_sha256":"6a518f47801233dd7c7996f2d1e354f9ca839bb41b123d2881aabe4c54a05eec","schema_version":"1.0","event_id":"sha256:6a518f47801233dd7c7996f2d1e354f9ca839bb41b123d2881aabe4c54a05eec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KSSWLHVC6RSV6OQDAK2BELI3ZW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bound states -- from QED to QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Paul Hoyer","submitted_at":"2014-02-20T14:15:15Z","abstract_excerpt":"These lectures are divided into two parts. In Part 1 I discuss bound state topics at the level of a basic course in field theory: The derivation of the Schr\\\"odinger and Dirac equations from the QED Lagrangian, by summing Feynman diagrams and in a Hamiltonian framework. Less well known topics include the equal-time wave function of Positronium in motion and the properties of the Dirac wave function for a linear potential. The presentation emphasizes physical aspects and provides the framework for Part 2, which discusses the derivation of relativistic bound states at Born level in QED and QCD. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5005","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":"2026-05-18T02:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FiFBVs//KrYn/4zNCJ5bak8t3uyB0XSZPW3ESQp9eEyoLZxKZp+xde9GZXr5dOxNu6bkvgaTLm+dgZ8DKWE3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T16:53:58.342955Z"},"content_sha256":"387c5400e48ecd89d5f525205909c42ebe1ee328fc9989ea1c42c98b029d7149","schema_version":"1.0","event_id":"sha256:387c5400e48ecd89d5f525205909c42ebe1ee328fc9989ea1c42c98b029d7149"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KSSWLHVC6RSV6OQDAK2BELI3ZW/bundle.json","state_url":"https://pith.science/pith/KSSWLHVC6RSV6OQDAK2BELI3ZW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KSSWLHVC6RSV6OQDAK2BELI3ZW/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":"2026-06-04T16:53:58Z","links":{"resolver":"https://pith.science/pith/KSSWLHVC6RSV6OQDAK2BELI3ZW","bundle":"https://pith.science/pith/KSSWLHVC6RSV6OQDAK2BELI3ZW/bundle.json","state":"https://pith.science/pith/KSSWLHVC6RSV6OQDAK2BELI3ZW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KSSWLHVC6RSV6OQDAK2BELI3ZW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KSSWLHVC6RSV6OQDAK2BELI3ZW","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":"555864226b833a710dbe8a2f8ec4f56f9f046c78d52b7ae8fd442df783abf831","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-20T14:15:15Z","title_canon_sha256":"14f72484ebc36d9f0324a913e480dac76f47dab5dc13e1d7cc9fa7049a65e9a0"},"schema_version":"1.0","source":{"id":"1402.5005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5005","created_at":"2026-05-18T02:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5005v1","created_at":"2026-05-18T02:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5005","created_at":"2026-05-18T02:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"KSSWLHVC6RSV","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KSSWLHVC6RSV6OQD","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KSSWLHVC","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:387c5400e48ecd89d5f525205909c42ebe1ee328fc9989ea1c42c98b029d7149","target":"graph","created_at":"2026-05-18T02:57:43Z","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":"These lectures are divided into two parts. In Part 1 I discuss bound state topics at the level of a basic course in field theory: The derivation of the Schr\\\"odinger and Dirac equations from the QED Lagrangian, by summing Feynman diagrams and in a Hamiltonian framework. Less well known topics include the equal-time wave function of Positronium in motion and the properties of the Dirac wave function for a linear potential. The presentation emphasizes physical aspects and provides the framework for Part 2, which discusses the derivation of relativistic bound states at Born level in QED and QCD. ","authors_text":"Paul Hoyer","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-20T14:15:15Z","title":"Bound states -- from QED to QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5005","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":"sha256:6a518f47801233dd7c7996f2d1e354f9ca839bb41b123d2881aabe4c54a05eec","target":"record","created_at":"2026-05-18T02:57:43Z","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":"555864226b833a710dbe8a2f8ec4f56f9f046c78d52b7ae8fd442df783abf831","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-20T14:15:15Z","title_canon_sha256":"14f72484ebc36d9f0324a913e480dac76f47dab5dc13e1d7cc9fa7049a65e9a0"},"schema_version":"1.0","source":{"id":"1402.5005","kind":"arxiv","version":1}},"canonical_sha256":"54a5659ea2f4655f3a0302b4122d1bcd82401166895d0b61accd03a9c52efe09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54a5659ea2f4655f3a0302b4122d1bcd82401166895d0b61accd03a9c52efe09","first_computed_at":"2026-05-18T02:57:43.151768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:43.151768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5wVnA8Q7Jd6tX+b3D0mXb/3YbhoMgOVsXyPftKKamQ9OQDvS36s9CT8uHrlfjoOWDHcVgZd7bZKDItimvnQ5CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:43.152304Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.5005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a518f47801233dd7c7996f2d1e354f9ca839bb41b123d2881aabe4c54a05eec","sha256:387c5400e48ecd89d5f525205909c42ebe1ee328fc9989ea1c42c98b029d7149"],"state_sha256":"81d1234929001b3cc339b40e61e37dba52758a4bc30c7d3be5733908dcce04a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cSHLrX7KLxdZpRyUSXoHKGnmiJEJhl+uEJaFERjpwFdaiuSmfjvDmVfXoZA3RUN97/gbWw7Fa+WWM+K0yTAfCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T16:53:58.344913Z","bundle_sha256":"eea0e9c8bab2c1f3f70ed559bd2638a31c8874774a7cd7894052182443b2def5"}}