{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:SK3AVWF6LDEPQHFBHGQJGN5SJH","short_pith_number":"pith:SK3AVWF6","canonical_record":{"source":{"id":"1308.0809","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2013-08-04T13:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"d32b4fd497a108918df0de74b96c22add90d115eb758f1293c1cdeb7c4eddfca","abstract_canon_sha256":"d77054def404cefc3c68fe3860800b9fa74137143ed1e6deac93e0c71efae2c8"},"schema_version":"1.0"},"canonical_sha256":"92b60ad8be58c8f81ca139a09337b249d7b85ddaefb30fe102b5c785563a6e2f","source":{"kind":"arxiv","id":"1308.0809","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.0809","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1308.0809v1","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0809","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"SK3AVWF6LDEP","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SK3AVWF6LDEPQHFB","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SK3AVWF6","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:SK3AVWF6LDEPQHFBHGQJGN5SJH","target":"record","payload":{"canonical_record":{"source":{"id":"1308.0809","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2013-08-04T13:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"d32b4fd497a108918df0de74b96c22add90d115eb758f1293c1cdeb7c4eddfca","abstract_canon_sha256":"d77054def404cefc3c68fe3860800b9fa74137143ed1e6deac93e0c71efae2c8"},"schema_version":"1.0"},"canonical_sha256":"92b60ad8be58c8f81ca139a09337b249d7b85ddaefb30fe102b5c785563a6e2f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:16:39.867894Z","signature_b64":"BXjx4vobdRDMqdKOebDYnL6zGIce6zl7H1M6iiO0NK/vxnd9PB618AZT71AlUd/pWjirv7IgGgf8IsgYfpTgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92b60ad8be58c8f81ca139a09337b249d7b85ddaefb30fe102b5c785563a6e2f","last_reissued_at":"2026-05-18T03:16:39.867154Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:16:39.867154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.0809","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":"2026-05-18T03:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YALNVyutvS6g1E+IvYKExywZxsw1qOVyS8AL1I5ekLcTKJHTKjb7+bfPDybSFQ96MNbwTpvD3M0/PzowOZHZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T01:39:14.509615Z"},"content_sha256":"a674761dd68a5d8d5ceea5fbade4febc8329bd1c5600b5673269f18bcaf5cdf3","schema_version":"1.0","event_id":"sha256:a674761dd68a5d8d5ceea5fbade4febc8329bd1c5600b5673269f18bcaf5cdf3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:SK3AVWF6LDEPQHFBHGQJGN5SJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improved Nucleon Properties in the Extended Quark Sigma Model","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"M. Abu-shady","submitted_at":"2013-08-04T13:24:59Z","abstract_excerpt":"The quark sigma model describes the quarks interacting via exchange the pions and sigma meson fields. A new version of mesonic potential is suggested in the frame of some aspects of the quantum chromodynamics (QCD). The field equations have been solved in the mean-field approximation for the hedgehog baryon state. The obtained results are compared with previous works and other models. We conclude that the suggested mesonic potential successfully calculates nucleon properties."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0809","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":"2026-05-18T03:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R2ZTIFChqMB5CTU18b25nDRgoP79K61raM6expQ8FnQOEZJwKBuL8FKda4PRsAYKU+PosmSplwGm3TKrcfxjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T01:39:14.510343Z"},"content_sha256":"0b79900afd8247ab70735499f277d39b7e216d1828b506f54b8c03b6e0174152","schema_version":"1.0","event_id":"sha256:0b79900afd8247ab70735499f277d39b7e216d1828b506f54b8c03b6e0174152"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SK3AVWF6LDEPQHFBHGQJGN5SJH/bundle.json","state_url":"https://pith.science/pith/SK3AVWF6LDEPQHFBHGQJGN5SJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SK3AVWF6LDEPQHFBHGQJGN5SJH/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":"2026-06-07T01:39:14Z","links":{"resolver":"https://pith.science/pith/SK3AVWF6LDEPQHFBHGQJGN5SJH","bundle":"https://pith.science/pith/SK3AVWF6LDEPQHFBHGQJGN5SJH/bundle.json","state":"https://pith.science/pith/SK3AVWF6LDEPQHFBHGQJGN5SJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SK3AVWF6LDEPQHFBHGQJGN5SJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SK3AVWF6LDEPQHFBHGQJGN5SJH","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":"d77054def404cefc3c68fe3860800b9fa74137143ed1e6deac93e0c71efae2c8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2013-08-04T13:24:59Z","title_canon_sha256":"d32b4fd497a108918df0de74b96c22add90d115eb758f1293c1cdeb7c4eddfca"},"schema_version":"1.0","source":{"id":"1308.0809","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.0809","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1308.0809v1","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0809","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"SK3AVWF6LDEP","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SK3AVWF6LDEPQHFB","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SK3AVWF6","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:0b79900afd8247ab70735499f277d39b7e216d1828b506f54b8c03b6e0174152","target":"graph","created_at":"2026-05-18T03:16:39Z","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 quark sigma model describes the quarks interacting via exchange the pions and sigma meson fields. A new version of mesonic potential is suggested in the frame of some aspects of the quantum chromodynamics (QCD). The field equations have been solved in the mean-field approximation for the hedgehog baryon state. The obtained results are compared with previous works and other models. We conclude that the suggested mesonic potential successfully calculates nucleon properties.","authors_text":"M. Abu-shady","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2013-08-04T13:24:59Z","title":"Improved Nucleon Properties in the Extended Quark Sigma Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0809","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:a674761dd68a5d8d5ceea5fbade4febc8329bd1c5600b5673269f18bcaf5cdf3","target":"record","created_at":"2026-05-18T03:16:39Z","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":"d77054def404cefc3c68fe3860800b9fa74137143ed1e6deac93e0c71efae2c8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"nucl-th","submitted_at":"2013-08-04T13:24:59Z","title_canon_sha256":"d32b4fd497a108918df0de74b96c22add90d115eb758f1293c1cdeb7c4eddfca"},"schema_version":"1.0","source":{"id":"1308.0809","kind":"arxiv","version":1}},"canonical_sha256":"92b60ad8be58c8f81ca139a09337b249d7b85ddaefb30fe102b5c785563a6e2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92b60ad8be58c8f81ca139a09337b249d7b85ddaefb30fe102b5c785563a6e2f","first_computed_at":"2026-05-18T03:16:39.867154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:16:39.867154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BXjx4vobdRDMqdKOebDYnL6zGIce6zl7H1M6iiO0NK/vxnd9PB618AZT71AlUd/pWjirv7IgGgf8IsgYfpTgAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:16:39.867894Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.0809","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a674761dd68a5d8d5ceea5fbade4febc8329bd1c5600b5673269f18bcaf5cdf3","sha256:0b79900afd8247ab70735499f277d39b7e216d1828b506f54b8c03b6e0174152"],"state_sha256":"ec236ef4d01ebd6ee28692bfd14fef58c1f6d1baa94fcd95d217b97ac2827ab3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kH/SJHa2oCd7P1eypfkVGQMIceGwY3om+pTTISoq8APQYdxDRsrujxpNiOiNIIPqZXQOizdmu/BQ7KVM8B52Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T01:39:14.514475Z","bundle_sha256":"7d4eea6b17dbd8b73c5662ab270f7a05ffb3ca95a0663cdc952779b513278bc6"}}