{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:QVC27QIGBPEOJXYOXF7ZNEPZCC","short_pith_number":"pith:QVC27QIG","canonical_record":{"source":{"id":"1310.3626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-10-14T11:05:03Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"f2881b42adabfac3a3dc62b66770de2afa83c6c0fb649f4298fd4ff3b2a7e4ff","abstract_canon_sha256":"1ed7a844b260e1b54148d4093db2be628a1c7b49971aaf18c00c8b944e8409e8"},"schema_version":"1.0"},"canonical_sha256":"8545afc1060bc8e4df0eb97f9691f91099672936b6ffd6b69679e9e679cfa8b3","source":{"kind":"arxiv","id":"1310.3626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3626","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3626v1","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3626","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"pith_short_12","alias_value":"QVC27QIGBPEO","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QVC27QIGBPEOJXYO","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QVC27QIG","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:QVC27QIGBPEOJXYOXF7ZNEPZCC","target":"record","payload":{"canonical_record":{"source":{"id":"1310.3626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-10-14T11:05:03Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"f2881b42adabfac3a3dc62b66770de2afa83c6c0fb649f4298fd4ff3b2a7e4ff","abstract_canon_sha256":"1ed7a844b260e1b54148d4093db2be628a1c7b49971aaf18c00c8b944e8409e8"},"schema_version":"1.0"},"canonical_sha256":"8545afc1060bc8e4df0eb97f9691f91099672936b6ffd6b69679e9e679cfa8b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:40.536158Z","signature_b64":"u8DEA9i7JpcBwff4m+SHckY80YXCXizwU0+hQpyrlUaKtWhpPYRFJNVjSIY0Tcv77COd38b5ganzig2XSsaYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8545afc1060bc8e4df0eb97f9691f91099672936b6ffd6b69679e9e679cfa8b3","last_reissued_at":"2026-05-18T02:30:40.535708Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:40.535708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.3626","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":"2026-05-18T02:30:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eEhufwY1x9NoX3pd+BBOcda4XJqe9f0+onjB8oibaEjtmvF2ZI5Sp2un/3fvhVI6RRpF/RzapJ3ErjY5hpmbBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:45:39.187790Z"},"content_sha256":"fba5a0e2561caa0a17528b6a6e0fc8d7245ce0fd9182bdc3730cf4ae802fb2e5","schema_version":"1.0","event_id":"sha256:fba5a0e2561caa0a17528b6a6e0fc8d7245ce0fd9182bdc3730cf4ae802fb2e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:QVC27QIGBPEOJXYOXF7ZNEPZCC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lattice QCD at the physical point meets SU(2) chiral perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"hep-lat","authors_text":"Alfonso Sastre, Antonin Portelli, Christian Hoelbling, Kalman Szabo, Laurent Lellouch, Rehan Malak, Stefan Krieg, Stephan Durr, Thibaut Metivet, Thomas Lippert, Thorsten Kurth, Zoltan Fodor","submitted_at":"2013-10-14T11:05:03Z","abstract_excerpt":"We perform a detailed, fully-correlated study of the chiral behavior of the pion mass and decay constant, based on 2+1 flavor lattice QCD simulations. These calculations are implemented using tree-level, O(a)-improved Wilson fermions, at four values of the lattice spacing down to 0.054 fm and all the way down to below the physical value of the pion mass. They allow a sharp comparison with the predictions of SU(2) chiral perturbation theory (\\chi PT) and a determination of some of its low energy constants. In particular, we systematically explore the range of applicability of NLO SU(2) \\chi PT "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3626","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":"2026-05-18T02:30:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a29oCcgmY2eDuIRSXJ3gpnhxJJbJeGrw8cHxO+/RsoEmCmLfXe6G9xAXF9sYwOgKsHqYOS/hf2oeOSO58zfDAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:45:39.188132Z"},"content_sha256":"2b5b0574f081244e77e56ed3624040f798a7572624358c1c5b0b137391c493fb","schema_version":"1.0","event_id":"sha256:2b5b0574f081244e77e56ed3624040f798a7572624358c1c5b0b137391c493fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVC27QIGBPEOJXYOXF7ZNEPZCC/bundle.json","state_url":"https://pith.science/pith/QVC27QIGBPEOJXYOXF7ZNEPZCC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVC27QIGBPEOJXYOXF7ZNEPZCC/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":"2026-06-01T20:45:39Z","links":{"resolver":"https://pith.science/pith/QVC27QIGBPEOJXYOXF7ZNEPZCC","bundle":"https://pith.science/pith/QVC27QIGBPEOJXYOXF7ZNEPZCC/bundle.json","state":"https://pith.science/pith/QVC27QIGBPEOJXYOXF7ZNEPZCC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVC27QIGBPEOJXYOXF7ZNEPZCC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QVC27QIGBPEOJXYOXF7ZNEPZCC","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":"1ed7a844b260e1b54148d4093db2be628a1c7b49971aaf18c00c8b944e8409e8","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-10-14T11:05:03Z","title_canon_sha256":"f2881b42adabfac3a3dc62b66770de2afa83c6c0fb649f4298fd4ff3b2a7e4ff"},"schema_version":"1.0","source":{"id":"1310.3626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3626","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3626v1","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3626","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"pith_short_12","alias_value":"QVC27QIGBPEO","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QVC27QIGBPEOJXYO","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QVC27QIG","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:2b5b0574f081244e77e56ed3624040f798a7572624358c1c5b0b137391c493fb","target":"graph","created_at":"2026-05-18T02:30:40Z","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 perform a detailed, fully-correlated study of the chiral behavior of the pion mass and decay constant, based on 2+1 flavor lattice QCD simulations. These calculations are implemented using tree-level, O(a)-improved Wilson fermions, at four values of the lattice spacing down to 0.054 fm and all the way down to below the physical value of the pion mass. They allow a sharp comparison with the predictions of SU(2) chiral perturbation theory (\\chi PT) and a determination of some of its low energy constants. In particular, we systematically explore the range of applicability of NLO SU(2) \\chi PT ","authors_text":"Alfonso Sastre, Antonin Portelli, Christian Hoelbling, Kalman Szabo, Laurent Lellouch, Rehan Malak, Stefan Krieg, Stephan Durr, Thibaut Metivet, Thomas Lippert, Thorsten Kurth, Zoltan Fodor","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-10-14T11:05:03Z","title":"Lattice QCD at the physical point meets SU(2) chiral perturbation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3626","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:fba5a0e2561caa0a17528b6a6e0fc8d7245ce0fd9182bdc3730cf4ae802fb2e5","target":"record","created_at":"2026-05-18T02:30:40Z","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":"1ed7a844b260e1b54148d4093db2be628a1c7b49971aaf18c00c8b944e8409e8","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-10-14T11:05:03Z","title_canon_sha256":"f2881b42adabfac3a3dc62b66770de2afa83c6c0fb649f4298fd4ff3b2a7e4ff"},"schema_version":"1.0","source":{"id":"1310.3626","kind":"arxiv","version":1}},"canonical_sha256":"8545afc1060bc8e4df0eb97f9691f91099672936b6ffd6b69679e9e679cfa8b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8545afc1060bc8e4df0eb97f9691f91099672936b6ffd6b69679e9e679cfa8b3","first_computed_at":"2026-05-18T02:30:40.535708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:40.535708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u8DEA9i7JpcBwff4m+SHckY80YXCXizwU0+hQpyrlUaKtWhpPYRFJNVjSIY0Tcv77COd38b5ganzig2XSsaYBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:40.536158Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.3626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fba5a0e2561caa0a17528b6a6e0fc8d7245ce0fd9182bdc3730cf4ae802fb2e5","sha256:2b5b0574f081244e77e56ed3624040f798a7572624358c1c5b0b137391c493fb"],"state_sha256":"a03f2b5ad70948865c9b618bfa4d2199defdd41a8f3bda22ad24562e14857dcd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fSz3p946+tw3HZNJmXWaYeXWCO4uTkZN4CRz87u5cqlIn10ZMQLn0d+sZ+GtyR/JYgTnY8EDxcy3DQIHi0AGDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:45:39.190199Z","bundle_sha256":"4a4470b95d4801d038ce1de6057175021d521d7071b12d919b7a5deb8da9b5c7"}}