{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GUDFXRSDU6XPBXMJOQLU44E72A","short_pith_number":"pith:GUDFXRSD","canonical_record":{"source":{"id":"1902.03808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2019-02-11T10:35:00Z","cross_cats_sorted":[],"title_canon_sha256":"b7206331e98d48f80e91011e7509d4634c1b82afdbede77fe687b9fc5b4db686","abstract_canon_sha256":"f3212ef3a86dd729a2480101f42c2f2a0c3568625e91d319ef08453f56bbe454"},"schema_version":"1.0"},"canonical_sha256":"35065bc643a7aef0dd8974174e709fd01c713403167d00e26426fb1cc6a3229b","source":{"kind":"arxiv","id":"1902.03808","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.03808","created_at":"2026-05-17T23:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1902.03808v1","created_at":"2026-05-17T23:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.03808","created_at":"2026-05-17T23:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"GUDFXRSDU6XP","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GUDFXRSDU6XPBXMJ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GUDFXRSD","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GUDFXRSDU6XPBXMJOQLU44E72A","target":"record","payload":{"canonical_record":{"source":{"id":"1902.03808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2019-02-11T10:35:00Z","cross_cats_sorted":[],"title_canon_sha256":"b7206331e98d48f80e91011e7509d4634c1b82afdbede77fe687b9fc5b4db686","abstract_canon_sha256":"f3212ef3a86dd729a2480101f42c2f2a0c3568625e91d319ef08453f56bbe454"},"schema_version":"1.0"},"canonical_sha256":"35065bc643a7aef0dd8974174e709fd01c713403167d00e26426fb1cc6a3229b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:19.532718Z","signature_b64":"DBAZm36A62K3ev74hG66y5k2B3Zwi2xBYaCRdgoxPYnlZcCZV8wdwRDjzk5K9ejGhez/MPo97AuiKj6isFAMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35065bc643a7aef0dd8974174e709fd01c713403167d00e26426fb1cc6a3229b","last_reissued_at":"2026-05-17T23:54:19.532132Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:19.532132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.03808","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":"2026-05-17T23:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LRUMRq7mvNOW1SdebZA8/4LMZUI89s+3BWvLy09ARczK+Tq+pL3H6Pbwa8pvv4KZOeVCvqe+FXyoL5BrEQI9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:49:50.518738Z"},"content_sha256":"51f727b822e55d1949b139cb256f300ba1f631dbd60cf0e67303556e473ae106","schema_version":"1.0","event_id":"sha256:51f727b822e55d1949b139cb256f300ba1f631dbd60cf0e67303556e473ae106"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GUDFXRSDU6XPBXMJOQLU44E72A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Meson Electromagnetic Form Factors from Lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"A. C. Zimermmane-Santos, A. T. Lytle, C. T. H. Davies, G. P. Lepage, J. Koponen","submitted_at":"2019-02-11T10:35:00Z","abstract_excerpt":"Lattice QCD can provide a direct determination of meson electromagnetic form factors, making predictions for upcoming experiments at Jefferson Lab. The form factors are a reflection of the bound-state nature of the meson and so these calculations give information about how confinement by QCD affects meson internal structure. The region of high squared (space-like) momentum-transfer, $Q^2$, is of particular interest because perturbative QCD predictions take a simple form in that limit that depends on the meson decay constant. We previously showed in\\cite{jonnaff} that, up to $Q^2$ of 6 $\\mathrm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.03808","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":"2026-05-17T23:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1jq+v0/2VN7z7y43jgpl+0rdsPJWQYxjVnhEErXFM+OMeZ7OITFrfudvceDi0lRaWEApn2ZYveELC6yG20ONDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:49:50.519088Z"},"content_sha256":"37fc0161b1cdb4e1b5a92954edfcbac13eaa0f960aadbce27d8948be54399929","schema_version":"1.0","event_id":"sha256:37fc0161b1cdb4e1b5a92954edfcbac13eaa0f960aadbce27d8948be54399929"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GUDFXRSDU6XPBXMJOQLU44E72A/bundle.json","state_url":"https://pith.science/pith/GUDFXRSDU6XPBXMJOQLU44E72A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GUDFXRSDU6XPBXMJOQLU44E72A/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":"2026-06-01T17:49:50Z","links":{"resolver":"https://pith.science/pith/GUDFXRSDU6XPBXMJOQLU44E72A","bundle":"https://pith.science/pith/GUDFXRSDU6XPBXMJOQLU44E72A/bundle.json","state":"https://pith.science/pith/GUDFXRSDU6XPBXMJOQLU44E72A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GUDFXRSDU6XPBXMJOQLU44E72A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GUDFXRSDU6XPBXMJOQLU44E72A","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":"f3212ef3a86dd729a2480101f42c2f2a0c3568625e91d319ef08453f56bbe454","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2019-02-11T10:35:00Z","title_canon_sha256":"b7206331e98d48f80e91011e7509d4634c1b82afdbede77fe687b9fc5b4db686"},"schema_version":"1.0","source":{"id":"1902.03808","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.03808","created_at":"2026-05-17T23:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1902.03808v1","created_at":"2026-05-17T23:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.03808","created_at":"2026-05-17T23:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"GUDFXRSDU6XP","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GUDFXRSDU6XPBXMJ","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GUDFXRSD","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:37fc0161b1cdb4e1b5a92954edfcbac13eaa0f960aadbce27d8948be54399929","target":"graph","created_at":"2026-05-17T23:54:19Z","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":"Lattice QCD can provide a direct determination of meson electromagnetic form factors, making predictions for upcoming experiments at Jefferson Lab. The form factors are a reflection of the bound-state nature of the meson and so these calculations give information about how confinement by QCD affects meson internal structure. The region of high squared (space-like) momentum-transfer, $Q^2$, is of particular interest because perturbative QCD predictions take a simple form in that limit that depends on the meson decay constant. We previously showed in\\cite{jonnaff} that, up to $Q^2$ of 6 $\\mathrm","authors_text":"A. C. Zimermmane-Santos, A. T. Lytle, C. T. H. Davies, G. P. Lepage, J. Koponen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2019-02-11T10:35:00Z","title":"Meson Electromagnetic Form Factors from Lattice QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.03808","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":"sha256:51f727b822e55d1949b139cb256f300ba1f631dbd60cf0e67303556e473ae106","target":"record","created_at":"2026-05-17T23:54:19Z","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":"f3212ef3a86dd729a2480101f42c2f2a0c3568625e91d319ef08453f56bbe454","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2019-02-11T10:35:00Z","title_canon_sha256":"b7206331e98d48f80e91011e7509d4634c1b82afdbede77fe687b9fc5b4db686"},"schema_version":"1.0","source":{"id":"1902.03808","kind":"arxiv","version":1}},"canonical_sha256":"35065bc643a7aef0dd8974174e709fd01c713403167d00e26426fb1cc6a3229b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35065bc643a7aef0dd8974174e709fd01c713403167d00e26426fb1cc6a3229b","first_computed_at":"2026-05-17T23:54:19.532132Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:19.532132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DBAZm36A62K3ev74hG66y5k2B3Zwi2xBYaCRdgoxPYnlZcCZV8wdwRDjzk5K9ejGhez/MPo97AuiKj6isFAMBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:19.532718Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.03808","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51f727b822e55d1949b139cb256f300ba1f631dbd60cf0e67303556e473ae106","sha256:37fc0161b1cdb4e1b5a92954edfcbac13eaa0f960aadbce27d8948be54399929"],"state_sha256":"c3a6e73739c683221c73c4631cbe8670f5b8174d8becd2fc2beef2676801e8b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RiaKVtrvA2XsgPHseecIAjgE7XYJ45S6xvYFsLlPgVyw9lveZSbpJ9rGqxi+uF9DW0x/ESQoBMs0J4lhE9vzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:49:50.521135Z","bundle_sha256":"05ebf1e2e7f3ac537540600156816560eebadb7329b08fbb390973d45bec351c"}}