{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UTW2U3KLLDULGGVAW5LYKHCQTK","short_pith_number":"pith:UTW2U3KL","canonical_record":{"source":{"id":"1302.7299","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T19:43:48Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-th"],"title_canon_sha256":"76680d4d7f5494c660eb7b3a93ac07f4eb485d103c7f92ae3c3a5a9b26e4ac02","abstract_canon_sha256":"32bf6098a7675e4cde21ee69afaea7bc24aaf2faa69eaa3699a377dbfa6595fc"},"schema_version":"1.0"},"canonical_sha256":"a4edaa6d4b58e8b31aa0b757851c509ab2d6726eb8de93f86d21792652ada3be","source":{"kind":"arxiv","id":"1302.7299","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.7299","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1302.7299v2","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.7299","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"UTW2U3KLLDUL","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UTW2U3KLLDULGGVA","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UTW2U3KL","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UTW2U3KLLDULGGVAW5LYKHCQTK","target":"record","payload":{"canonical_record":{"source":{"id":"1302.7299","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T19:43:48Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-th"],"title_canon_sha256":"76680d4d7f5494c660eb7b3a93ac07f4eb485d103c7f92ae3c3a5a9b26e4ac02","abstract_canon_sha256":"32bf6098a7675e4cde21ee69afaea7bc24aaf2faa69eaa3699a377dbfa6595fc"},"schema_version":"1.0"},"canonical_sha256":"a4edaa6d4b58e8b31aa0b757851c509ab2d6726eb8de93f86d21792652ada3be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:25.827734Z","signature_b64":"Uph7MYV00Ikr98S8o/TCMqD6RT6o3k+umscNB0gVBlBf9mufCPLWz2WGIvIg4O+31isdw+JaqPWAEMKeKtlqDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4edaa6d4b58e8b31aa0b757851c509ab2d6726eb8de93f86d21792652ada3be","last_reissued_at":"2026-05-18T01:51:25.827024Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:25.827024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.7299","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":"2026-05-18T01:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cerWnzYN3l/Nh9cEvoGfP4q6DKU2qNkZfJd1PlwiIz7zpEKFFWPPrjcJXJHbxZOSOXYa4DxjVFKtKoGP+7mVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:59:53.871917Z"},"content_sha256":"bf3086a49aa0ce9cea445c571d0e2f12c6fe5092feec31efa025de030de13ed2","schema_version":"1.0","event_id":"sha256:bf3086a49aa0ce9cea445c571d0e2f12c6fe5092feec31efa025de030de13ed2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UTW2U3KLLDULGGVAW5LYKHCQTK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Progress Toward Understanding Baryon Resonances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph","nucl-th"],"primary_cat":"nucl-ex","authors_text":"Volker Crede, Winston Roberts","submitted_at":"2013-02-28T19:43:48Z","abstract_excerpt":"The composite nature of baryons manifests itself in the existence of a rich spectrum of excited states, in particular in the important mass region 1-2 GeV for the light-flavoured baryons. The properties of these resonances can be identified by systematic investigations using electromagnetic and strong probes, primarily with beams of electrons, photons, and pions. After decades of research, the fundamental degrees of freedom underlying the baryon excitation spectrum are still poorly understood. The search for hitherto undiscovered but predicted resonances continues at many laboratories around t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.7299","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":"2026-05-18T01:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QpEk7/rE4o61MBvibb7dLqC8/WumGssJlqIJM+sCNmcPUh4GPqR3Z+oiOp9VEgv7CPvyUteqE9UoBa787d1+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:59:53.872264Z"},"content_sha256":"325cb8b8814dc4b70db3289abe4e78b9113723ab1fafdb1c15de19eeee43f24a","schema_version":"1.0","event_id":"sha256:325cb8b8814dc4b70db3289abe4e78b9113723ab1fafdb1c15de19eeee43f24a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UTW2U3KLLDULGGVAW5LYKHCQTK/bundle.json","state_url":"https://pith.science/pith/UTW2U3KLLDULGGVAW5LYKHCQTK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UTW2U3KLLDULGGVAW5LYKHCQTK/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":"2026-05-28T01:59:53Z","links":{"resolver":"https://pith.science/pith/UTW2U3KLLDULGGVAW5LYKHCQTK","bundle":"https://pith.science/pith/UTW2U3KLLDULGGVAW5LYKHCQTK/bundle.json","state":"https://pith.science/pith/UTW2U3KLLDULGGVAW5LYKHCQTK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UTW2U3KLLDULGGVAW5LYKHCQTK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UTW2U3KLLDULGGVAW5LYKHCQTK","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":"32bf6098a7675e4cde21ee69afaea7bc24aaf2faa69eaa3699a377dbfa6595fc","cross_cats_sorted":["hep-ex","hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T19:43:48Z","title_canon_sha256":"76680d4d7f5494c660eb7b3a93ac07f4eb485d103c7f92ae3c3a5a9b26e4ac02"},"schema_version":"1.0","source":{"id":"1302.7299","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.7299","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1302.7299v2","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.7299","created_at":"2026-05-18T01:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"UTW2U3KLLDUL","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UTW2U3KLLDULGGVA","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UTW2U3KL","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:325cb8b8814dc4b70db3289abe4e78b9113723ab1fafdb1c15de19eeee43f24a","target":"graph","created_at":"2026-05-18T01:51:25Z","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 composite nature of baryons manifests itself in the existence of a rich spectrum of excited states, in particular in the important mass region 1-2 GeV for the light-flavoured baryons. The properties of these resonances can be identified by systematic investigations using electromagnetic and strong probes, primarily with beams of electrons, photons, and pions. After decades of research, the fundamental degrees of freedom underlying the baryon excitation spectrum are still poorly understood. The search for hitherto undiscovered but predicted resonances continues at many laboratories around t","authors_text":"Volker Crede, Winston Roberts","cross_cats":["hep-ex","hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T19:43:48Z","title":"Progress Toward Understanding Baryon Resonances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.7299","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:bf3086a49aa0ce9cea445c571d0e2f12c6fe5092feec31efa025de030de13ed2","target":"record","created_at":"2026-05-18T01:51:25Z","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":"32bf6098a7675e4cde21ee69afaea7bc24aaf2faa69eaa3699a377dbfa6595fc","cross_cats_sorted":["hep-ex","hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2013-02-28T19:43:48Z","title_canon_sha256":"76680d4d7f5494c660eb7b3a93ac07f4eb485d103c7f92ae3c3a5a9b26e4ac02"},"schema_version":"1.0","source":{"id":"1302.7299","kind":"arxiv","version":2}},"canonical_sha256":"a4edaa6d4b58e8b31aa0b757851c509ab2d6726eb8de93f86d21792652ada3be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4edaa6d4b58e8b31aa0b757851c509ab2d6726eb8de93f86d21792652ada3be","first_computed_at":"2026-05-18T01:51:25.827024Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:25.827024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uph7MYV00Ikr98S8o/TCMqD6RT6o3k+umscNB0gVBlBf9mufCPLWz2WGIvIg4O+31isdw+JaqPWAEMKeKtlqDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:25.827734Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.7299","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf3086a49aa0ce9cea445c571d0e2f12c6fe5092feec31efa025de030de13ed2","sha256:325cb8b8814dc4b70db3289abe4e78b9113723ab1fafdb1c15de19eeee43f24a"],"state_sha256":"e86799ffc65ece01cf0ead88869ca8973c5179ada22c7eee208e254b418f13ac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BAPqeOh56WH60xW8BpjRUtWIEEJuS4rUBF16oER31mQJV4uWJNzdeUclN0Qs6MeK089Bx6nZMf2/+iXGS4wfCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:59:53.874245Z","bundle_sha256":"9573c6c3c7129a0ce9e67451b18eae9c2527481d49ec097430f5f36e40f7d1fd"}}