{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:ITUPJAZGX75FT26PRGNCBUSYXL","short_pith_number":"pith:ITUPJAZG","canonical_record":{"source":{"id":"1209.1687","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-09-08T04:31:30Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"be28532b79a173a9a1b102082c70f4d78fb645af5db33e55aba33863c2bd9797","abstract_canon_sha256":"1969af483fed3faf676b814a2ff4b38043ca0639e5d414dbb7f5f1f15a6af3d4"},"schema_version":"1.0"},"canonical_sha256":"44e8f48326bffa59ebcf899a20d258baccf6ca017c39f1ca9cdf61fbd73461bc","source":{"kind":"arxiv","id":"1209.1687","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.1687","created_at":"2026-05-18T02:46:04Z"},{"alias_kind":"arxiv_version","alias_value":"1209.1687v2","created_at":"2026-05-18T02:46:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1687","created_at":"2026-05-18T02:46:04Z"},{"alias_kind":"pith_short_12","alias_value":"ITUPJAZGX75F","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"ITUPJAZGX75FT26P","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"ITUPJAZG","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:ITUPJAZGX75FT26PRGNCBUSYXL","target":"record","payload":{"canonical_record":{"source":{"id":"1209.1687","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-09-08T04:31:30Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"be28532b79a173a9a1b102082c70f4d78fb645af5db33e55aba33863c2bd9797","abstract_canon_sha256":"1969af483fed3faf676b814a2ff4b38043ca0639e5d414dbb7f5f1f15a6af3d4"},"schema_version":"1.0"},"canonical_sha256":"44e8f48326bffa59ebcf899a20d258baccf6ca017c39f1ca9cdf61fbd73461bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:46:04.797380Z","signature_b64":"28bt5Hpq9JaX3tShOZvAlZkLQRocIk8s0blXyaY5ie5HxkykRYbr0MDPr7rdIiIdxWFSwlnEdFfdTsXRVrNPBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44e8f48326bffa59ebcf899a20d258baccf6ca017c39f1ca9cdf61fbd73461bc","last_reissued_at":"2026-05-18T02:46:04.796759Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:46:04.796759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.1687","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":"2026-05-18T02:46:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X3VSI6vhLe9c1xn6ij/jpQutVpYvEOeUhbQ6C5OxFWG3NIPtUOngVas08bMk8aPXHVW3QUQ+3u2WC0IrPp93Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T15:47:22.532881Z"},"content_sha256":"bc44b401f90ea7c5df9126d6c56112250950c44535513798221fb3a936e1be44","schema_version":"1.0","event_id":"sha256:bc44b401f90ea7c5df9126d6c56112250950c44535513798221fb3a936e1be44"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:ITUPJAZGX75FT26PRGNCBUSYXL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nucleon Structure from Lattice QCD Using a Nearly Physical Pion Mass","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"hep-lat","authors_text":"A. V. Pochinsky, J. R. Green, J. W. Negele, M. Engelhardt, S. Krieg, S. N. Syritsyn","submitted_at":"2012-09-08T04:31:30Z","abstract_excerpt":"We report the first Lattice QCD calculation using the almost physical pion mass mpi=149 MeV that agrees with experiment for four fundamental isovector observables characterizing the gross structure of the nucleon: the Dirac and Pauli radii, the magnetic moment, and the quark momentum fraction. The key to this success is the combination of using a nearly physical pion mass and excluding the contributions of excited states. An analogous calculation of the nucleon axial charge governing beta decay has inconsistencies indicating a source of bias at low pion masses not present for the other observa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1687","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":"2026-05-18T02:46:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iyr3RhTu3+KFw/4oYo6mfnBgwvVSvvyX8inUvbmsUnKd0romTw+TK/Rk4pCArE8nFo8yBfkY6KuL3HcxIBb7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T15:47:22.533606Z"},"content_sha256":"889c703476f0468907c2dddced7d3a2d477ff928f2be5ab3b257b723a8776913","schema_version":"1.0","event_id":"sha256:889c703476f0468907c2dddced7d3a2d477ff928f2be5ab3b257b723a8776913"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ITUPJAZGX75FT26PRGNCBUSYXL/bundle.json","state_url":"https://pith.science/pith/ITUPJAZGX75FT26PRGNCBUSYXL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ITUPJAZGX75FT26PRGNCBUSYXL/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":"2026-05-22T15:47:22Z","links":{"resolver":"https://pith.science/pith/ITUPJAZGX75FT26PRGNCBUSYXL","bundle":"https://pith.science/pith/ITUPJAZGX75FT26PRGNCBUSYXL/bundle.json","state":"https://pith.science/pith/ITUPJAZGX75FT26PRGNCBUSYXL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ITUPJAZGX75FT26PRGNCBUSYXL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ITUPJAZGX75FT26PRGNCBUSYXL","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":"1969af483fed3faf676b814a2ff4b38043ca0639e5d414dbb7f5f1f15a6af3d4","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-09-08T04:31:30Z","title_canon_sha256":"be28532b79a173a9a1b102082c70f4d78fb645af5db33e55aba33863c2bd9797"},"schema_version":"1.0","source":{"id":"1209.1687","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.1687","created_at":"2026-05-18T02:46:04Z"},{"alias_kind":"arxiv_version","alias_value":"1209.1687v2","created_at":"2026-05-18T02:46:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1687","created_at":"2026-05-18T02:46:04Z"},{"alias_kind":"pith_short_12","alias_value":"ITUPJAZGX75F","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"ITUPJAZGX75FT26P","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"ITUPJAZG","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:889c703476f0468907c2dddced7d3a2d477ff928f2be5ab3b257b723a8776913","target":"graph","created_at":"2026-05-18T02:46:04Z","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 report the first Lattice QCD calculation using the almost physical pion mass mpi=149 MeV that agrees with experiment for four fundamental isovector observables characterizing the gross structure of the nucleon: the Dirac and Pauli radii, the magnetic moment, and the quark momentum fraction. The key to this success is the combination of using a nearly physical pion mass and excluding the contributions of excited states. An analogous calculation of the nucleon axial charge governing beta decay has inconsistencies indicating a source of bias at low pion masses not present for the other observa","authors_text":"A. V. Pochinsky, J. R. Green, J. W. Negele, M. Engelhardt, S. Krieg, S. N. Syritsyn","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-09-08T04:31:30Z","title":"Nucleon Structure from Lattice QCD Using a Nearly Physical Pion Mass"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1687","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:bc44b401f90ea7c5df9126d6c56112250950c44535513798221fb3a936e1be44","target":"record","created_at":"2026-05-18T02:46:04Z","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":"1969af483fed3faf676b814a2ff4b38043ca0639e5d414dbb7f5f1f15a6af3d4","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-09-08T04:31:30Z","title_canon_sha256":"be28532b79a173a9a1b102082c70f4d78fb645af5db33e55aba33863c2bd9797"},"schema_version":"1.0","source":{"id":"1209.1687","kind":"arxiv","version":2}},"canonical_sha256":"44e8f48326bffa59ebcf899a20d258baccf6ca017c39f1ca9cdf61fbd73461bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44e8f48326bffa59ebcf899a20d258baccf6ca017c39f1ca9cdf61fbd73461bc","first_computed_at":"2026-05-18T02:46:04.796759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:46:04.796759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"28bt5Hpq9JaX3tShOZvAlZkLQRocIk8s0blXyaY5ie5HxkykRYbr0MDPr7rdIiIdxWFSwlnEdFfdTsXRVrNPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:46:04.797380Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.1687","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc44b401f90ea7c5df9126d6c56112250950c44535513798221fb3a936e1be44","sha256:889c703476f0468907c2dddced7d3a2d477ff928f2be5ab3b257b723a8776913"],"state_sha256":"21d9b591bed242af791259e32b5c7507b141e868279d3c0a8abb8d849847cd4a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qcKIZloPZQdofREb8k7WGAYl2nSWP5rhfSlOwXzduZyxoc7VjEvGba38Y5lkLaa2G4l3hXoby0kBjNhwojlBAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T15:47:22.537131Z","bundle_sha256":"09b3961b9997af03ebd7017c92c2336290eb30abb7ae0cd348ba3b223d5c0456"}}