{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TWMZYBQ5N3BAFJYYTPQ2BKYFZ5","short_pith_number":"pith:TWMZYBQ5","canonical_record":{"source":{"id":"1511.09146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-11-30T03:39:18Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"e43c0b27a34cc27f4da56974bbe2f871fcd9b3cb405bec4a685469a2d4818982","abstract_canon_sha256":"347ffc37716544bfa1bcf01ffb6a17e782e8319e420ec8b698e91fab8e27d3fb"},"schema_version":"1.0"},"canonical_sha256":"9d999c061d6ec202a7189be1a0ab05cf6f9d37e4f1501c6a60cd1d899a4017d2","source":{"kind":"arxiv","id":"1511.09146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09146","created_at":"2026-05-18T01:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09146v1","created_at":"2026-05-18T01:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09146","created_at":"2026-05-18T01:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"TWMZYBQ5N3BA","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TWMZYBQ5N3BAFJYY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TWMZYBQ5","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TWMZYBQ5N3BAFJYYTPQ2BKYFZ5","target":"record","payload":{"canonical_record":{"source":{"id":"1511.09146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-11-30T03:39:18Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"e43c0b27a34cc27f4da56974bbe2f871fcd9b3cb405bec4a685469a2d4818982","abstract_canon_sha256":"347ffc37716544bfa1bcf01ffb6a17e782e8319e420ec8b698e91fab8e27d3fb"},"schema_version":"1.0"},"canonical_sha256":"9d999c061d6ec202a7189be1a0ab05cf6f9d37e4f1501c6a60cd1d899a4017d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:07.344382Z","signature_b64":"UB3jUFcjnUFLIhygF6MPsE7ySEYXdEopELuSccf96AHvrbnnTZFM1pGVXh0d3kALKTQFzHKgHKf7S+lea93WAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d999c061d6ec202a7189be1a0ab05cf6f9d37e4f1501c6a60cd1d899a4017d2","last_reissued_at":"2026-05-18T01:12:07.343987Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:07.343987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.09146","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":"2026-05-18T01:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jBP2mQHs/bOactIR3YKiCjoC4UNGVgy4lHw6fX3JKtgjGqgXNZ2C0w4kPX4UgQwcWCw2zA8fx2Mj1kmBzbaxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:44:55.912987Z"},"content_sha256":"901d62553092aad9a4bd364c4247d4d290303bece15a79a077ec2b1769dbf1df","schema_version":"1.0","event_id":"sha256:901d62553092aad9a4bd364c4247d4d290303bece15a79a077ec2b1769dbf1df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TWMZYBQ5N3BAFJYYTPQ2BKYFZ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"N* Spectroscopy from Lattice QCD: The Roper Explained","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"hep-lat","authors_text":"Adrian Kiratidis, Anthony W. Thomas, Dale Roberts, Derek Leinweber, Finn Stokes, Jiajun Wu, Selim Mahbub, Waseem Kamleh, Zhan-Wei Liu","submitted_at":"2015-11-30T03:39:18Z","abstract_excerpt":"This brief review focuses on the low-lying even- and odd-parity excitations of the nucleon obtained in recent lattice QCD calculations. Commencing with a survey of the 2014-15 literature we'll see that results for the first even-parity excitation energy can differ by as much as 1 GeV, a rather unsatisfactory situation. Following a brief review of the methods used to isolate excitations of the nucleon in lattice QCD, and drawing on recent advances, we'll see how a consensus on the low-lying spectrum has emerged among many different lattice groups. To provide insight into the nature of these sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09146","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":"2026-05-18T01:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GfT32AEu1KE6B/rF2hbiACPnu05YCqNxahxGz0eHbByC+S3zcd229Ukj09QNsB9GOs5SLslN6gm6uGFmQq2bAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:44:55.913351Z"},"content_sha256":"3cd62b861554f9cae5ff0d42c64a06c1a47b820180b08f0bc3cb3499278caa06","schema_version":"1.0","event_id":"sha256:3cd62b861554f9cae5ff0d42c64a06c1a47b820180b08f0bc3cb3499278caa06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TWMZYBQ5N3BAFJYYTPQ2BKYFZ5/bundle.json","state_url":"https://pith.science/pith/TWMZYBQ5N3BAFJYYTPQ2BKYFZ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TWMZYBQ5N3BAFJYYTPQ2BKYFZ5/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":"2026-05-29T23:44:55Z","links":{"resolver":"https://pith.science/pith/TWMZYBQ5N3BAFJYYTPQ2BKYFZ5","bundle":"https://pith.science/pith/TWMZYBQ5N3BAFJYYTPQ2BKYFZ5/bundle.json","state":"https://pith.science/pith/TWMZYBQ5N3BAFJYYTPQ2BKYFZ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TWMZYBQ5N3BAFJYYTPQ2BKYFZ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TWMZYBQ5N3BAFJYYTPQ2BKYFZ5","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":"347ffc37716544bfa1bcf01ffb6a17e782e8319e420ec8b698e91fab8e27d3fb","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-11-30T03:39:18Z","title_canon_sha256":"e43c0b27a34cc27f4da56974bbe2f871fcd9b3cb405bec4a685469a2d4818982"},"schema_version":"1.0","source":{"id":"1511.09146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09146","created_at":"2026-05-18T01:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09146v1","created_at":"2026-05-18T01:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09146","created_at":"2026-05-18T01:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"TWMZYBQ5N3BA","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TWMZYBQ5N3BAFJYY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TWMZYBQ5","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:3cd62b861554f9cae5ff0d42c64a06c1a47b820180b08f0bc3cb3499278caa06","target":"graph","created_at":"2026-05-18T01:12:07Z","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":"This brief review focuses on the low-lying even- and odd-parity excitations of the nucleon obtained in recent lattice QCD calculations. Commencing with a survey of the 2014-15 literature we'll see that results for the first even-parity excitation energy can differ by as much as 1 GeV, a rather unsatisfactory situation. Following a brief review of the methods used to isolate excitations of the nucleon in lattice QCD, and drawing on recent advances, we'll see how a consensus on the low-lying spectrum has emerged among many different lattice groups. To provide insight into the nature of these sta","authors_text":"Adrian Kiratidis, Anthony W. Thomas, Dale Roberts, Derek Leinweber, Finn Stokes, Jiajun Wu, Selim Mahbub, Waseem Kamleh, Zhan-Wei Liu","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-11-30T03:39:18Z","title":"N* Spectroscopy from Lattice QCD: The Roper Explained"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09146","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":"sha256:901d62553092aad9a4bd364c4247d4d290303bece15a79a077ec2b1769dbf1df","target":"record","created_at":"2026-05-18T01:12:07Z","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":"347ffc37716544bfa1bcf01ffb6a17e782e8319e420ec8b698e91fab8e27d3fb","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-11-30T03:39:18Z","title_canon_sha256":"e43c0b27a34cc27f4da56974bbe2f871fcd9b3cb405bec4a685469a2d4818982"},"schema_version":"1.0","source":{"id":"1511.09146","kind":"arxiv","version":1}},"canonical_sha256":"9d999c061d6ec202a7189be1a0ab05cf6f9d37e4f1501c6a60cd1d899a4017d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d999c061d6ec202a7189be1a0ab05cf6f9d37e4f1501c6a60cd1d899a4017d2","first_computed_at":"2026-05-18T01:12:07.343987Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:07.343987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UB3jUFcjnUFLIhygF6MPsE7ySEYXdEopELuSccf96AHvrbnnTZFM1pGVXh0d3kALKTQFzHKgHKf7S+lea93WAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:07.344382Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.09146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:901d62553092aad9a4bd364c4247d4d290303bece15a79a077ec2b1769dbf1df","sha256:3cd62b861554f9cae5ff0d42c64a06c1a47b820180b08f0bc3cb3499278caa06"],"state_sha256":"8d3ea508db88319a1d0588a54a692165d34179311d1a10cacc225b7a1703cbb3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LbizbEqYQMswYYO3nVWQl9JuyuY3eGXAIfYAD4C61kaguI/nBl0Qac5p2/XGYv37I6uzma1c3xcpw19DNc0wAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T23:44:55.915943Z","bundle_sha256":"b8b39a1a77b2b211d5540874bc2a5c1d506b962beca6a255687b012da3769813"}}