{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PQKEUE46WX2EMSVSWY5LRHYDUO","short_pith_number":"pith:PQKEUE46","canonical_record":{"source":{"id":"1810.05569","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-10-12T15:15:50Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"1af57f8927daa86283e3018f0a4104c045115a89c017041e8387ca03deab49cb","abstract_canon_sha256":"fed752e2166567351738cfe864e9a3e654d3bf866db00f53695cf4571596fda5"},"schema_version":"1.0"},"canonical_sha256":"7c144a139eb5f4464ab2b63ab89f03a39901a1babf9a8883374bee05a66cf150","source":{"kind":"arxiv","id":"1810.05569","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05569","created_at":"2026-05-17T23:53:09Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05569v2","created_at":"2026-05-17T23:53:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05569","created_at":"2026-05-17T23:53:09Z"},{"alias_kind":"pith_short_12","alias_value":"PQKEUE46WX2E","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PQKEUE46WX2EMSVS","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PQKEUE46","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PQKEUE46WX2EMSVSWY5LRHYDUO","target":"record","payload":{"canonical_record":{"source":{"id":"1810.05569","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-10-12T15:15:50Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"1af57f8927daa86283e3018f0a4104c045115a89c017041e8387ca03deab49cb","abstract_canon_sha256":"fed752e2166567351738cfe864e9a3e654d3bf866db00f53695cf4571596fda5"},"schema_version":"1.0"},"canonical_sha256":"7c144a139eb5f4464ab2b63ab89f03a39901a1babf9a8883374bee05a66cf150","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:09.207781Z","signature_b64":"QtBd9bA+rT+HCEtN7eFvQk+BTU6P0kUYdoosx5iRBRSi/lkCvM+A7adQWweaKIUGp83pr/Sp0sxoGoCHMzVOBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c144a139eb5f4464ab2b63ab89f03a39901a1babf9a8883374bee05a66cf150","last_reissued_at":"2026-05-17T23:53:09.207024Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:09.207024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.05569","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":"2026-05-17T23:53:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X09eqF/X3D9mD+T0wQ8OYNGOufjCTFeYEGdY43brg/2265md8oNXjGnIN/oK11+S/qsV5JEQFdp9N3KlTeg8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:32:12.546692Z"},"content_sha256":"52742d6da207dc48fcca774e6a75f36e304ab90c79f8c625f21def1bb8455f62","schema_version":"1.0","event_id":"sha256:52742d6da207dc48fcca774e6a75f36e304ab90c79f8c625f21def1bb8455f62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PQKEUE46WX2EMSVSWY5LRHYDUO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solving the PCAC puzzle for nucleon axial and pseudoscalar form factors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"A. Sch\\\"afer, G. S. Bali, M. Gruber, P. Wein, S. Collins, T. Wurm","submitted_at":"2018-10-12T15:15:50Z","abstract_excerpt":"It has been observed in multiple lattice determinations of isovector axial and pseudoscalar nucleon form factors, that, despite the fact that the partial conservation of the axialvector current is fulfilled on the level of correlation functions, the corresponding relation for form factors (sometimes called the generalized Goldberger-Treiman relation in the literature) is broken rather badly. In this work we trace this difference back to excited state contributions and propose a new projection method that resolves this problem. We demonstrate the efficacy of this method by computing the axial a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05569","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":"2026-05-17T23:53:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bUlm+Rjdhi+fEHixNk+KmkRT669E37pEb1H1wvQgQmnZ59mzehkqiLyBO4bvpU4+W2x7QMTIrDkOghci8HYLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:32:12.547037Z"},"content_sha256":"1cfb82ae95928ec76f074bf56f7516d0167278d47a1ac3717ceb4b74d4f7ccdb","schema_version":"1.0","event_id":"sha256:1cfb82ae95928ec76f074bf56f7516d0167278d47a1ac3717ceb4b74d4f7ccdb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PQKEUE46WX2EMSVSWY5LRHYDUO/bundle.json","state_url":"https://pith.science/pith/PQKEUE46WX2EMSVSWY5LRHYDUO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PQKEUE46WX2EMSVSWY5LRHYDUO/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":"2026-05-28T15:32:12Z","links":{"resolver":"https://pith.science/pith/PQKEUE46WX2EMSVSWY5LRHYDUO","bundle":"https://pith.science/pith/PQKEUE46WX2EMSVSWY5LRHYDUO/bundle.json","state":"https://pith.science/pith/PQKEUE46WX2EMSVSWY5LRHYDUO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PQKEUE46WX2EMSVSWY5LRHYDUO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PQKEUE46WX2EMSVSWY5LRHYDUO","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":"fed752e2166567351738cfe864e9a3e654d3bf866db00f53695cf4571596fda5","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-10-12T15:15:50Z","title_canon_sha256":"1af57f8927daa86283e3018f0a4104c045115a89c017041e8387ca03deab49cb"},"schema_version":"1.0","source":{"id":"1810.05569","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.05569","created_at":"2026-05-17T23:53:09Z"},{"alias_kind":"arxiv_version","alias_value":"1810.05569v2","created_at":"2026-05-17T23:53:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.05569","created_at":"2026-05-17T23:53:09Z"},{"alias_kind":"pith_short_12","alias_value":"PQKEUE46WX2E","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PQKEUE46WX2EMSVS","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PQKEUE46","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:1cfb82ae95928ec76f074bf56f7516d0167278d47a1ac3717ceb4b74d4f7ccdb","target":"graph","created_at":"2026-05-17T23:53:09Z","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":"It has been observed in multiple lattice determinations of isovector axial and pseudoscalar nucleon form factors, that, despite the fact that the partial conservation of the axialvector current is fulfilled on the level of correlation functions, the corresponding relation for form factors (sometimes called the generalized Goldberger-Treiman relation in the literature) is broken rather badly. In this work we trace this difference back to excited state contributions and propose a new projection method that resolves this problem. We demonstrate the efficacy of this method by computing the axial a","authors_text":"A. Sch\\\"afer, G. S. Bali, M. Gruber, P. Wein, S. Collins, T. Wurm","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-10-12T15:15:50Z","title":"Solving the PCAC puzzle for nucleon axial and pseudoscalar form factors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.05569","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":"sha256:52742d6da207dc48fcca774e6a75f36e304ab90c79f8c625f21def1bb8455f62","target":"record","created_at":"2026-05-17T23:53:09Z","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":"fed752e2166567351738cfe864e9a3e654d3bf866db00f53695cf4571596fda5","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-10-12T15:15:50Z","title_canon_sha256":"1af57f8927daa86283e3018f0a4104c045115a89c017041e8387ca03deab49cb"},"schema_version":"1.0","source":{"id":"1810.05569","kind":"arxiv","version":2}},"canonical_sha256":"7c144a139eb5f4464ab2b63ab89f03a39901a1babf9a8883374bee05a66cf150","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c144a139eb5f4464ab2b63ab89f03a39901a1babf9a8883374bee05a66cf150","first_computed_at":"2026-05-17T23:53:09.207024Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:09.207024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QtBd9bA+rT+HCEtN7eFvQk+BTU6P0kUYdoosx5iRBRSi/lkCvM+A7adQWweaKIUGp83pr/Sp0sxoGoCHMzVOBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:09.207781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.05569","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52742d6da207dc48fcca774e6a75f36e304ab90c79f8c625f21def1bb8455f62","sha256:1cfb82ae95928ec76f074bf56f7516d0167278d47a1ac3717ceb4b74d4f7ccdb"],"state_sha256":"6e9832881a189654c2af8d4a82d718da4f6a854bc4f59b2ad4b02d622007683a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ukiRtt0fW/WFUQG7Y7Z6wWYPHKiN5BWjBPSV8I9UHs1PYyQkQXgs5Ix6jhiaF1GRhWZe+ZPQVbvCd9rkdLveBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:32:12.549743Z","bundle_sha256":"e349a8e3a1d1e2fc6686dd0caf1257df7f21ca46c926b54b18bbf2c66766deaf"}}