{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:5JN3OIFWTZDYYJBP4J6ZQDUNTL","short_pith_number":"pith:5JN3OIFW","canonical_record":{"source":{"id":"1011.5724","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2010-11-26T07:42:04Z","cross_cats_sorted":[],"title_canon_sha256":"3da10388fdb2514547bdb394b7703244a7139cbb0ee0eaa4dfc3019d71545d06","abstract_canon_sha256":"9e3231fd00810c83da2cda04d58775d12d93bfa49c601370a251516ecf5429b6"},"schema_version":"1.0"},"canonical_sha256":"ea5bb720b69e478c242fe27d980e8d9afdf1ec4ae8dff4e03bbeec5c392492a7","source":{"kind":"arxiv","id":"1011.5724","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.5724","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"arxiv_version","alias_value":"1011.5724v2","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.5724","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"pith_short_12","alias_value":"5JN3OIFWTZDY","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5JN3OIFWTZDYYJBP","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5JN3OIFW","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:5JN3OIFWTZDYYJBP4J6ZQDUNTL","target":"record","payload":{"canonical_record":{"source":{"id":"1011.5724","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2010-11-26T07:42:04Z","cross_cats_sorted":[],"title_canon_sha256":"3da10388fdb2514547bdb394b7703244a7139cbb0ee0eaa4dfc3019d71545d06","abstract_canon_sha256":"9e3231fd00810c83da2cda04d58775d12d93bfa49c601370a251516ecf5429b6"},"schema_version":"1.0"},"canonical_sha256":"ea5bb720b69e478c242fe27d980e8d9afdf1ec4ae8dff4e03bbeec5c392492a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:43.736254Z","signature_b64":"LqaR8tIqidurLi6xDnyQpdIoe6PBYSUQ0ijmHvQ5SwBjcEP4HMlKjxM1/86J48RZB/SkqrLvS91b7z+IJ3j0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea5bb720b69e478c242fe27d980e8d9afdf1ec4ae8dff4e03bbeec5c392492a7","last_reissued_at":"2026-05-18T04:04:43.735803Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:43.735803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.5724","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":"2026-05-18T04:04:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l+wwpCbVNTGzu+S2R2UMQY28p19FXQZ8EpjOh0P5/kgPegvW7OGVQfP8/FC4tptsb65hMkF73XYNMRH7rH0qCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:07:33.030709Z"},"content_sha256":"f2dd38a51e92afaaeaee3ce31525b923d649fcfa878f75b43e50e815e71fe054","schema_version":"1.0","event_id":"sha256:f2dd38a51e92afaaeaee3ce31525b923d649fcfa878f75b43e50e815e71fe054"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:5JN3OIFWTZDYYJBP4J6ZQDUNTL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Roper Resonance in 2+1 Flavor QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Anthony G. Williams, Derek B. Leinweber, M. Selim Mahbub, Peter J. Moran, Waseem Kamleh","submitted_at":"2010-11-26T07:42:04Z","abstract_excerpt":"The low-lying even-parity states of the nucleon are explored in lattice QCD using the PACS-CS collaboration 2+1-flavor dynamical-QCD gauge-field configurations made available through the International Lattice Datagrid (ILDG). The established correlation-matrix approach is used, in which various fermion source and sink smearings are utilized to provide an effective basis of interpolating fields to span the space of low-lying energy eigenstates. Of particular interest is the nature of the first excited state of the nucleon, the $N{1/2}^{+}$ Roper resonance of $P_{11}$ pion-nucleon scattering. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.5724","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":"2026-05-18T04:04:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SYVxw0A2INwGvdv7SWrIdskRUh10FafOhWkU0XNSgWGFsIm9kNwxLL+aJr9282CyuzlCJJDwT5pTcNxBaiL7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:07:33.031423Z"},"content_sha256":"79267fc6a6172c442c888d843d257bdadb0750b402ee482ab2463eb83ffc81d3","schema_version":"1.0","event_id":"sha256:79267fc6a6172c442c888d843d257bdadb0750b402ee482ab2463eb83ffc81d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5JN3OIFWTZDYYJBP4J6ZQDUNTL/bundle.json","state_url":"https://pith.science/pith/5JN3OIFWTZDYYJBP4J6ZQDUNTL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5JN3OIFWTZDYYJBP4J6ZQDUNTL/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":"2026-05-23T17:07:33Z","links":{"resolver":"https://pith.science/pith/5JN3OIFWTZDYYJBP4J6ZQDUNTL","bundle":"https://pith.science/pith/5JN3OIFWTZDYYJBP4J6ZQDUNTL/bundle.json","state":"https://pith.science/pith/5JN3OIFWTZDYYJBP4J6ZQDUNTL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5JN3OIFWTZDYYJBP4J6ZQDUNTL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5JN3OIFWTZDYYJBP4J6ZQDUNTL","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":"9e3231fd00810c83da2cda04d58775d12d93bfa49c601370a251516ecf5429b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2010-11-26T07:42:04Z","title_canon_sha256":"3da10388fdb2514547bdb394b7703244a7139cbb0ee0eaa4dfc3019d71545d06"},"schema_version":"1.0","source":{"id":"1011.5724","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.5724","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"arxiv_version","alias_value":"1011.5724v2","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.5724","created_at":"2026-05-18T04:04:43Z"},{"alias_kind":"pith_short_12","alias_value":"5JN3OIFWTZDY","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5JN3OIFWTZDYYJBP","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5JN3OIFW","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:79267fc6a6172c442c888d843d257bdadb0750b402ee482ab2463eb83ffc81d3","target":"graph","created_at":"2026-05-18T04:04:43Z","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":"The low-lying even-parity states of the nucleon are explored in lattice QCD using the PACS-CS collaboration 2+1-flavor dynamical-QCD gauge-field configurations made available through the International Lattice Datagrid (ILDG). The established correlation-matrix approach is used, in which various fermion source and sink smearings are utilized to provide an effective basis of interpolating fields to span the space of low-lying energy eigenstates. Of particular interest is the nature of the first excited state of the nucleon, the $N{1/2}^{+}$ Roper resonance of $P_{11}$ pion-nucleon scattering. Th","authors_text":"Anthony G. Williams, Derek B. Leinweber, M. Selim Mahbub, Peter J. Moran, Waseem Kamleh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2010-11-26T07:42:04Z","title":"Roper Resonance in 2+1 Flavor QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.5724","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:f2dd38a51e92afaaeaee3ce31525b923d649fcfa878f75b43e50e815e71fe054","target":"record","created_at":"2026-05-18T04:04:43Z","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":"9e3231fd00810c83da2cda04d58775d12d93bfa49c601370a251516ecf5429b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2010-11-26T07:42:04Z","title_canon_sha256":"3da10388fdb2514547bdb394b7703244a7139cbb0ee0eaa4dfc3019d71545d06"},"schema_version":"1.0","source":{"id":"1011.5724","kind":"arxiv","version":2}},"canonical_sha256":"ea5bb720b69e478c242fe27d980e8d9afdf1ec4ae8dff4e03bbeec5c392492a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea5bb720b69e478c242fe27d980e8d9afdf1ec4ae8dff4e03bbeec5c392492a7","first_computed_at":"2026-05-18T04:04:43.735803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:43.735803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LqaR8tIqidurLi6xDnyQpdIoe6PBYSUQ0ijmHvQ5SwBjcEP4HMlKjxM1/86J48RZB/SkqrLvS91b7z+IJ3j0BA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:43.736254Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.5724","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2dd38a51e92afaaeaee3ce31525b923d649fcfa878f75b43e50e815e71fe054","sha256:79267fc6a6172c442c888d843d257bdadb0750b402ee482ab2463eb83ffc81d3"],"state_sha256":"3b8b861d565465302fa797a7c0c8e7587f3264d4d362b5f0344870c2be6cc3ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZbazXxhqfu8DRPVshZpK6E5h+exbO5dP+gicP/7uoFI6JzoVzOh8UntS81xEQxJ7qtSLzq0lbpbej4oDfnSKCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T17:07:33.035243Z","bundle_sha256":"87bebc6d78c6afcd1d8331a513ab9f6d2931136756a6cf6bec92f557647bc5ff"}}