{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:RT7UMCB3J4JRH5YXDUFEAPDXVW","short_pith_number":"pith:RT7UMCB3","canonical_record":{"source":{"id":"1310.7545","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-10-28T19:27:23Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"21b06befa56b407aab50219ea4a4bc8156bdc0b42e91c4522c4b50e4cdea87f5","abstract_canon_sha256":"f6a3c6b1c096110f374abdfff357aff3c0d2d21789ea180cf669a2cda385ffec"},"schema_version":"1.0"},"canonical_sha256":"8cff46083b4f1313f7171d0a403c77adbc6d6b9bad885c2716bc84b9c702ac2c","source":{"kind":"arxiv","id":"1310.7545","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7545","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7545v3","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7545","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"pith_short_12","alias_value":"RT7UMCB3J4JR","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"RT7UMCB3J4JRH5YX","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"RT7UMCB3","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:RT7UMCB3J4JRH5YXDUFEAPDXVW","target":"record","payload":{"canonical_record":{"source":{"id":"1310.7545","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-10-28T19:27:23Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"21b06befa56b407aab50219ea4a4bc8156bdc0b42e91c4522c4b50e4cdea87f5","abstract_canon_sha256":"f6a3c6b1c096110f374abdfff357aff3c0d2d21789ea180cf669a2cda385ffec"},"schema_version":"1.0"},"canonical_sha256":"8cff46083b4f1313f7171d0a403c77adbc6d6b9bad885c2716bc84b9c702ac2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:59.007608Z","signature_b64":"CVlXSFwjDR9OqMCmIAGX2y37I2fBQaWMnJo0JOYoP2fqW3R0HFwjOpz5FWWo5q7UPCWU8+v30dUeyu1rbCZBDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8cff46083b4f1313f7171d0a403c77adbc6d6b9bad885c2716bc84b9c702ac2c","last_reissued_at":"2026-05-18T03:02:59.006673Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:59.006673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.7545","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:02:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7c0LE2biZcpCTRqN7k/i5K4gtFM9hP/lv0EJevxQNUA25sQOB9LCjAknoIntkobd46HFLAag3/rykxVfl1w8BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T13:13:58.381573Z"},"content_sha256":"1e43f0f63111af4ccad709f3c475f334c6e2fda377b05e35e4bab565c8439349","schema_version":"1.0","event_id":"sha256:1e43f0f63111af4ccad709f3c475f334c6e2fda377b05e35e4bab565c8439349"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:RT7UMCB3J4JRH5YXDUFEAPDXVW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Confinement, quark mass functions, and spontaneous chiral symmetry breaking in Minkowski space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Alfred Stadler, Elmar P. Biernat, Franz Gross, M. T. Pe\\~na","submitted_at":"2013-10-28T19:27:23Z","abstract_excerpt":"We formulate the covariant equations for quark-antiquark bound states in Minkowski space in the framework of the Covariant Spectator Theory. The quark propagators are dressed with the same kernel that describes the interaction between different quarks. We show that these equations are charge-conjugation invariant, and that in the chiral limit of vanishing bare quark mass, a massless pseudoscalar bound state is produced in a Nambu-Jona-Lasinio (NJL) mechanism, which is associated with the Goldstone boson of spontaneous chiral symmetry breaking. In this introductory paper, we test the formalism "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7545","kind":"arxiv","version":3},"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":"2026-05-18T03:02:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TdglCkDB6AFd2uNqSqbiqjBjQf0Y5GQ5qvaQOzzn+dNtiuavTIpFqqAOsst161RAULtaziZ6Or1z+6TsnXzuBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T13:13:58.382217Z"},"content_sha256":"da337b7dbbf871002e0c8f548dfb4c32bc11171f6a1351a98e46cef77cd4c0cd","schema_version":"1.0","event_id":"sha256:da337b7dbbf871002e0c8f548dfb4c32bc11171f6a1351a98e46cef77cd4c0cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RT7UMCB3J4JRH5YXDUFEAPDXVW/bundle.json","state_url":"https://pith.science/pith/RT7UMCB3J4JRH5YXDUFEAPDXVW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RT7UMCB3J4JRH5YXDUFEAPDXVW/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":"2026-06-06T13:13:58Z","links":{"resolver":"https://pith.science/pith/RT7UMCB3J4JRH5YXDUFEAPDXVW","bundle":"https://pith.science/pith/RT7UMCB3J4JRH5YXDUFEAPDXVW/bundle.json","state":"https://pith.science/pith/RT7UMCB3J4JRH5YXDUFEAPDXVW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RT7UMCB3J4JRH5YXDUFEAPDXVW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:RT7UMCB3J4JRH5YXDUFEAPDXVW","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":"f6a3c6b1c096110f374abdfff357aff3c0d2d21789ea180cf669a2cda385ffec","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-10-28T19:27:23Z","title_canon_sha256":"21b06befa56b407aab50219ea4a4bc8156bdc0b42e91c4522c4b50e4cdea87f5"},"schema_version":"1.0","source":{"id":"1310.7545","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7545","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7545v3","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7545","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"pith_short_12","alias_value":"RT7UMCB3J4JR","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"RT7UMCB3J4JRH5YX","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"RT7UMCB3","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:da337b7dbbf871002e0c8f548dfb4c32bc11171f6a1351a98e46cef77cd4c0cd","target":"graph","created_at":"2026-05-18T03:02:59Z","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 formulate the covariant equations for quark-antiquark bound states in Minkowski space in the framework of the Covariant Spectator Theory. The quark propagators are dressed with the same kernel that describes the interaction between different quarks. We show that these equations are charge-conjugation invariant, and that in the chiral limit of vanishing bare quark mass, a massless pseudoscalar bound state is produced in a Nambu-Jona-Lasinio (NJL) mechanism, which is associated with the Goldstone boson of spontaneous chiral symmetry breaking. In this introductory paper, we test the formalism ","authors_text":"Alfred Stadler, Elmar P. Biernat, Franz Gross, M. T. Pe\\~na","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-10-28T19:27:23Z","title":"Confinement, quark mass functions, and spontaneous chiral symmetry breaking in Minkowski space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7545","kind":"arxiv","version":3},"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":"sha256:1e43f0f63111af4ccad709f3c475f334c6e2fda377b05e35e4bab565c8439349","target":"record","created_at":"2026-05-18T03:02:59Z","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":"f6a3c6b1c096110f374abdfff357aff3c0d2d21789ea180cf669a2cda385ffec","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-10-28T19:27:23Z","title_canon_sha256":"21b06befa56b407aab50219ea4a4bc8156bdc0b42e91c4522c4b50e4cdea87f5"},"schema_version":"1.0","source":{"id":"1310.7545","kind":"arxiv","version":3}},"canonical_sha256":"8cff46083b4f1313f7171d0a403c77adbc6d6b9bad885c2716bc84b9c702ac2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8cff46083b4f1313f7171d0a403c77adbc6d6b9bad885c2716bc84b9c702ac2c","first_computed_at":"2026-05-18T03:02:59.006673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:59.006673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CVlXSFwjDR9OqMCmIAGX2y37I2fBQaWMnJo0JOYoP2fqW3R0HFwjOpz5FWWo5q7UPCWU8+v30dUeyu1rbCZBDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:59.007608Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.7545","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e43f0f63111af4ccad709f3c475f334c6e2fda377b05e35e4bab565c8439349","sha256:da337b7dbbf871002e0c8f548dfb4c32bc11171f6a1351a98e46cef77cd4c0cd"],"state_sha256":"c1bc23c34041c66d149b00c0b3c503d6f58d3a3a89d8c5dc2a6b3da30a5ea778"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+PboUMf7DfDOiCSvrWWKnpVVXEnn4RteP8po9zwkxXuQlyTwfEEb7eHtpwpLTLxo9uGvR/7w4ZspDhneqrAbAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T13:13:58.385504Z","bundle_sha256":"05b79318f6b1110e5c46e646805a4059f2e3f5dccf2d96f4056165e5d27c7623"}}