{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JZG7YSPUDJGPOHZSJCAWACWUGJ","short_pith_number":"pith:JZG7YSPU","canonical_record":{"source":{"id":"1108.5865","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-30T08:10:02Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a544b7d5c55e7e7ee3264d1ab6331ab95dcc0892b721691f37f99c0f78457e85","abstract_canon_sha256":"2c71890ce204442fde81ee96c83e08dae345ead78eb77973f77813e13897ca2b"},"schema_version":"1.0"},"canonical_sha256":"4e4dfc49f41a4cf71f324881600ad432675c16c52b738b786407c20ceae97f7c","source":{"kind":"arxiv","id":"1108.5865","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.5865","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"1108.5865v2","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5865","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"JZG7YSPUDJGP","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JZG7YSPUDJGPOHZS","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JZG7YSPU","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JZG7YSPUDJGPOHZSJCAWACWUGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1108.5865","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-30T08:10:02Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"a544b7d5c55e7e7ee3264d1ab6331ab95dcc0892b721691f37f99c0f78457e85","abstract_canon_sha256":"2c71890ce204442fde81ee96c83e08dae345ead78eb77973f77813e13897ca2b"},"schema_version":"1.0"},"canonical_sha256":"4e4dfc49f41a4cf71f324881600ad432675c16c52b738b786407c20ceae97f7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:51.217898Z","signature_b64":"/d1lrXy15zP7CkiJ1Nw1z+yn2eGc8fOHjfU1J3tsmFh1bv1T9U/81N5EWHOKi+cAJpSciydHWZjxY5A03SFNDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e4dfc49f41a4cf71f324881600ad432675c16c52b738b786407c20ceae97f7c","last_reissued_at":"2026-05-18T04:11:51.217272Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:51.217272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.5865","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":"2026-05-18T04:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FGVSl/LneGWjz2yaxmyNzJJQbUpCsRuS4VutHtkFxiEIAw5C2lZM1tcq8/KSHExaO3++yuNy0v9ADgs1W+K5BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:58:09.375704Z"},"content_sha256":"2cdc2c15f3d03bc2429d68ea836d37de9ea3f9b15ca6c0e786da0f5285dc2e81","schema_version":"1.0","event_id":"sha256:2cdc2c15f3d03bc2429d68ea836d37de9ea3f9b15ca6c0e786da0f5285dc2e81"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JZG7YSPUDJGPOHZSJCAWACWUGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploration of resonance properties in chiral perturbation theory with explicit U_A(1) anomaly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"J.A.Oller, Zhi-Hui Guo","submitted_at":"2011-08-30T08:10:02Z","abstract_excerpt":"We study the resonance properties within chiral perturbation theory by explicitly taking into account the U_A(1) anomaly effect. This assures we have the appropriate degrees of freedom of low energy QCD in the large Nc limit. We calculate the various resonance properties, such as mass, width and residues, for the physical case, i.e. Nc=3. Then we extrapolate the values of Nc to study the trajectories of resonance poles."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5865","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":"2026-05-18T04:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"euZ0LtaBNFuikpGXbwVQVDl2EBLSTmCusKIav8z2OGxcn0zoNsiWD90YKiyY4Yj2e+gHaraI/9cFoG0ApyYnDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:58:09.376372Z"},"content_sha256":"c471e5e77f732d7de217de5cd2dae267500b57bcb5e5c5ea6f2b469c837f4f37","schema_version":"1.0","event_id":"sha256:c471e5e77f732d7de217de5cd2dae267500b57bcb5e5c5ea6f2b469c837f4f37"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZG7YSPUDJGPOHZSJCAWACWUGJ/bundle.json","state_url":"https://pith.science/pith/JZG7YSPUDJGPOHZSJCAWACWUGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZG7YSPUDJGPOHZSJCAWACWUGJ/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":"2026-05-29T19:58:09Z","links":{"resolver":"https://pith.science/pith/JZG7YSPUDJGPOHZSJCAWACWUGJ","bundle":"https://pith.science/pith/JZG7YSPUDJGPOHZSJCAWACWUGJ/bundle.json","state":"https://pith.science/pith/JZG7YSPUDJGPOHZSJCAWACWUGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZG7YSPUDJGPOHZSJCAWACWUGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JZG7YSPUDJGPOHZSJCAWACWUGJ","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":"2c71890ce204442fde81ee96c83e08dae345ead78eb77973f77813e13897ca2b","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-30T08:10:02Z","title_canon_sha256":"a544b7d5c55e7e7ee3264d1ab6331ab95dcc0892b721691f37f99c0f78457e85"},"schema_version":"1.0","source":{"id":"1108.5865","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.5865","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"1108.5865v2","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5865","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"JZG7YSPUDJGP","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JZG7YSPUDJGPOHZS","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JZG7YSPU","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:c471e5e77f732d7de217de5cd2dae267500b57bcb5e5c5ea6f2b469c837f4f37","target":"graph","created_at":"2026-05-18T04:11:51Z","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 the resonance properties within chiral perturbation theory by explicitly taking into account the U_A(1) anomaly effect. This assures we have the appropriate degrees of freedom of low energy QCD in the large Nc limit. We calculate the various resonance properties, such as mass, width and residues, for the physical case, i.e. Nc=3. Then we extrapolate the values of Nc to study the trajectories of resonance poles.","authors_text":"J.A.Oller, Zhi-Hui Guo","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-30T08:10:02Z","title":"Exploration of resonance properties in chiral perturbation theory with explicit U_A(1) anomaly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5865","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":"sha256:2cdc2c15f3d03bc2429d68ea836d37de9ea3f9b15ca6c0e786da0f5285dc2e81","target":"record","created_at":"2026-05-18T04:11:51Z","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":"2c71890ce204442fde81ee96c83e08dae345ead78eb77973f77813e13897ca2b","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-30T08:10:02Z","title_canon_sha256":"a544b7d5c55e7e7ee3264d1ab6331ab95dcc0892b721691f37f99c0f78457e85"},"schema_version":"1.0","source":{"id":"1108.5865","kind":"arxiv","version":2}},"canonical_sha256":"4e4dfc49f41a4cf71f324881600ad432675c16c52b738b786407c20ceae97f7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e4dfc49f41a4cf71f324881600ad432675c16c52b738b786407c20ceae97f7c","first_computed_at":"2026-05-18T04:11:51.217272Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:51.217272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/d1lrXy15zP7CkiJ1Nw1z+yn2eGc8fOHjfU1J3tsmFh1bv1T9U/81N5EWHOKi+cAJpSciydHWZjxY5A03SFNDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:51.217898Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.5865","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2cdc2c15f3d03bc2429d68ea836d37de9ea3f9b15ca6c0e786da0f5285dc2e81","sha256:c471e5e77f732d7de217de5cd2dae267500b57bcb5e5c5ea6f2b469c837f4f37"],"state_sha256":"ac708c439192c40ff435c90324969d9242b3b0b0178a2e772d4441e2ab6b3a94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EixXh9RZdpGzDzfxISaz52E5aN11bT/YnVTxdIjbbd98g4SozThZR7cgpUEcgkt8HNTbB4huxIRmGocfSCmFBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:58:09.379548Z","bundle_sha256":"c69a3b55023f0ecb16443c476553c01d5d869ba298c221169fdd8292af26d9af"}}