{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GG3U4ZGZGMO7IBXIG3K3H4LGHR","short_pith_number":"pith:GG3U4ZGZ","canonical_record":{"source":{"id":"1611.09163","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-28T15:12:42Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"e83277a3bce2f85050fe919d6ecf240bac1038ca1ecc80228feb763c20c9da33","abstract_canon_sha256":"bc38ef3f2bc230d8bcc3b5531b8631fda3a6b3cb9c6cd3adb8c14d3917dc12a4"},"schema_version":"1.0"},"canonical_sha256":"31b74e64d9331df406e836d5b3f1663c7660b4082c2b009124a00493be3cbb92","source":{"kind":"arxiv","id":"1611.09163","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.09163","created_at":"2026-05-18T00:56:28Z"},{"alias_kind":"arxiv_version","alias_value":"1611.09163v1","created_at":"2026-05-18T00:56:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.09163","created_at":"2026-05-18T00:56:28Z"},{"alias_kind":"pith_short_12","alias_value":"GG3U4ZGZGMO7","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GG3U4ZGZGMO7IBXI","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GG3U4ZGZ","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GG3U4ZGZGMO7IBXIG3K3H4LGHR","target":"record","payload":{"canonical_record":{"source":{"id":"1611.09163","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-28T15:12:42Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"e83277a3bce2f85050fe919d6ecf240bac1038ca1ecc80228feb763c20c9da33","abstract_canon_sha256":"bc38ef3f2bc230d8bcc3b5531b8631fda3a6b3cb9c6cd3adb8c14d3917dc12a4"},"schema_version":"1.0"},"canonical_sha256":"31b74e64d9331df406e836d5b3f1663c7660b4082c2b009124a00493be3cbb92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:28.992257Z","signature_b64":"xdSH9LHKlUybfDeip9F8i+yiJSoGVkJsiRdVLpcSga06FyAtCJsEvFMnW+iRO8te7ih3I0MbN0VvvitMQac/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31b74e64d9331df406e836d5b3f1663c7660b4082c2b009124a00493be3cbb92","last_reissued_at":"2026-05-18T00:56:28.991561Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:28.991561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.09163","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":"2026-05-18T00:56:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6p0ZI6583q5qcIdJE/ZpSwdH3kbt85CjSTbqlyOecCv8uKKUL20SkoGOFyn42nCQ9BoMHKoGkf0vY3kVYKElCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:03:42.721030Z"},"content_sha256":"6a1f93a6f6d484b26f8d4bca98cf52657ece1b3043339b0a1b79bce666c51a74","schema_version":"1.0","event_id":"sha256:6a1f93a6f6d484b26f8d4bca98cf52657ece1b3043339b0a1b79bce666c51a74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GG3U4ZGZGMO7IBXIG3K3H4LGHR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nucleon spin and quark content at the physical point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"hep-lat","authors_text":"A. Vaquero Avil\\'es-Casco (INFN-Milan), C. Alexandrou (Univ. of Cyprus, Ch. Kallidonis, Ch. Wiese (DESY-Zeuthen), G. Koutsou (The Cyprus Inst.), K. Hadjiyiannakou, K. Jansen, M. Constantinou, The Cyprus Inst.)","submitted_at":"2016-11-28T15:12:42Z","abstract_excerpt":"We present results on the spin and quark content of the nucleon using $N_f=2$ twisted mass clover-improved fermion simulations with a pion mass close to its physical value. We use recently developed methods to obtain accurate results for both connected and disconnected contributions. We provide results for the axial charge, quark and gluon momentum fraction as well as the light, strange and charm $\\sigma$-terms."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.09163","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":"2026-05-18T00:56:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8VOjad8mizNjipP516IiXq06D6fRYR63GFJiuagJ4TsfVmL07M2JxG2tW/UfxMKUzGZ+5uG1sMxzYZuhpKv1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:03:42.721733Z"},"content_sha256":"c75edf5d3175578bf3866e3f11b9c66da5c55870c4dcef79f2e139f9c6d7a93f","schema_version":"1.0","event_id":"sha256:c75edf5d3175578bf3866e3f11b9c66da5c55870c4dcef79f2e139f9c6d7a93f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GG3U4ZGZGMO7IBXIG3K3H4LGHR/bundle.json","state_url":"https://pith.science/pith/GG3U4ZGZGMO7IBXIG3K3H4LGHR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GG3U4ZGZGMO7IBXIG3K3H4LGHR/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":"2026-05-28T22:03:42Z","links":{"resolver":"https://pith.science/pith/GG3U4ZGZGMO7IBXIG3K3H4LGHR","bundle":"https://pith.science/pith/GG3U4ZGZGMO7IBXIG3K3H4LGHR/bundle.json","state":"https://pith.science/pith/GG3U4ZGZGMO7IBXIG3K3H4LGHR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GG3U4ZGZGMO7IBXIG3K3H4LGHR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GG3U4ZGZGMO7IBXIG3K3H4LGHR","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":"bc38ef3f2bc230d8bcc3b5531b8631fda3a6b3cb9c6cd3adb8c14d3917dc12a4","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-28T15:12:42Z","title_canon_sha256":"e83277a3bce2f85050fe919d6ecf240bac1038ca1ecc80228feb763c20c9da33"},"schema_version":"1.0","source":{"id":"1611.09163","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.09163","created_at":"2026-05-18T00:56:28Z"},{"alias_kind":"arxiv_version","alias_value":"1611.09163v1","created_at":"2026-05-18T00:56:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.09163","created_at":"2026-05-18T00:56:28Z"},{"alias_kind":"pith_short_12","alias_value":"GG3U4ZGZGMO7","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GG3U4ZGZGMO7IBXI","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GG3U4ZGZ","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:c75edf5d3175578bf3866e3f11b9c66da5c55870c4dcef79f2e139f9c6d7a93f","target":"graph","created_at":"2026-05-18T00:56:28Z","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 present results on the spin and quark content of the nucleon using $N_f=2$ twisted mass clover-improved fermion simulations with a pion mass close to its physical value. We use recently developed methods to obtain accurate results for both connected and disconnected contributions. We provide results for the axial charge, quark and gluon momentum fraction as well as the light, strange and charm $\\sigma$-terms.","authors_text":"A. Vaquero Avil\\'es-Casco (INFN-Milan), C. Alexandrou (Univ. of Cyprus, Ch. Kallidonis, Ch. Wiese (DESY-Zeuthen), G. Koutsou (The Cyprus Inst.), K. Hadjiyiannakou, K. Jansen, M. Constantinou, The Cyprus Inst.)","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-28T15:12:42Z","title":"Nucleon spin and quark content at the physical point"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.09163","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":"sha256:6a1f93a6f6d484b26f8d4bca98cf52657ece1b3043339b0a1b79bce666c51a74","target":"record","created_at":"2026-05-18T00:56:28Z","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":"bc38ef3f2bc230d8bcc3b5531b8631fda3a6b3cb9c6cd3adb8c14d3917dc12a4","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-11-28T15:12:42Z","title_canon_sha256":"e83277a3bce2f85050fe919d6ecf240bac1038ca1ecc80228feb763c20c9da33"},"schema_version":"1.0","source":{"id":"1611.09163","kind":"arxiv","version":1}},"canonical_sha256":"31b74e64d9331df406e836d5b3f1663c7660b4082c2b009124a00493be3cbb92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31b74e64d9331df406e836d5b3f1663c7660b4082c2b009124a00493be3cbb92","first_computed_at":"2026-05-18T00:56:28.991561Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:28.991561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xdSH9LHKlUybfDeip9F8i+yiJSoGVkJsiRdVLpcSga06FyAtCJsEvFMnW+iRO8te7ih3I0MbN0VvvitMQac/AA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:28.992257Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.09163","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a1f93a6f6d484b26f8d4bca98cf52657ece1b3043339b0a1b79bce666c51a74","sha256:c75edf5d3175578bf3866e3f11b9c66da5c55870c4dcef79f2e139f9c6d7a93f"],"state_sha256":"9366f532d716baf2baab452a8c540258b4f485a4c997636a18634c9aa662a19c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yCGTZqtvxGE1iDiwMmiSsB5hv011ATMBkjKUCxUxgIfOAAu8yvdCEDXDDiLz/Pg4BCpdpZ/JK1JvBNPhbY7SDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:03:42.725473Z","bundle_sha256":"3672f1f9007bbae4d9bc228e94a816245301481b9ac302d2c8d4eba9bf959c6b"}}