{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4GIY7KD2HV5ZRMOVJC6XRSDWNW","short_pith_number":"pith:4GIY7KD2","canonical_record":{"source":{"id":"1409.5769","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-lat","submitted_at":"2014-09-19T19:16:55Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"aab94c8b6954c9f7dd79358571076b99b8352bdbe969c6fcaa0ec5e72c313006","abstract_canon_sha256":"ab6b6cb785c414ceaf9c6dc418cea0224f7caf99526d6c41fb40cdffa628b15a"},"schema_version":"1.0"},"canonical_sha256":"e1918fa87a3d7b98b1d548bd78c8766d835853772f78068fd6493ae69fb4c2a9","source":{"kind":"arxiv","id":"1409.5769","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5769","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5769v2","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5769","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"4GIY7KD2HV5Z","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4GIY7KD2HV5ZRMOV","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4GIY7KD2","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4GIY7KD2HV5ZRMOVJC6XRSDWNW","target":"record","payload":{"canonical_record":{"source":{"id":"1409.5769","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-lat","submitted_at":"2014-09-19T19:16:55Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"aab94c8b6954c9f7dd79358571076b99b8352bdbe969c6fcaa0ec5e72c313006","abstract_canon_sha256":"ab6b6cb785c414ceaf9c6dc418cea0224f7caf99526d6c41fb40cdffa628b15a"},"schema_version":"1.0"},"canonical_sha256":"e1918fa87a3d7b98b1d548bd78c8766d835853772f78068fd6493ae69fb4c2a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:14.174249Z","signature_b64":"Y88baY4mUBJa9KcjBgVfj2GzU+PV7fo7K8LklcYaF2hk1biEAojl5jsiYuyyztWuYB+G3xs6Z5t5vO9g8dUGAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1918fa87a3d7b98b1d548bd78c8766d835853772f78068fd6493ae69fb4c2a9","last_reissued_at":"2026-05-18T02:42:14.173781Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:14.173781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.5769","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":"2026-05-18T02:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l/FRVn+5nTf8ZRo3TLCYrhlTGv8KE9xRiTtPAYs8Dm2MT1FRPg6pu2pXuHIQnKAbz5rZda+JuHGnEzO2hdjLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T11:23:25.499711Z"},"content_sha256":"43e15d668df1caeb291416fde4f532c323a8bb6be23fc44750cb952b1f162a2d","schema_version":"1.0","event_id":"sha256:43e15d668df1caeb291416fde4f532c323a8bb6be23fc44750cb952b1f162a2d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4GIY7KD2HV5ZRMOVJC6XRSDWNW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Volume Effects on the Method of Extracting Form Factors at Zero Momentum","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"hep-lat","authors_text":"Brian C. Tiburzi","submitted_at":"2014-09-19T19:16:55Z","abstract_excerpt":"The Rome method allows one to extract form factors using lattice computations performed strictly at zero momentum. We investigate the size of finite volume effects resulting from this method. As a test case, we focus on the pion charge radius and show how to ascertain the finite volume effect with the aid of chiral perturbation theory. The framework developed can easily be generalized to account for modified infrared physics of other low-energy matrix elements extracted at zero momentum."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5769","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":"2026-05-18T02:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oSOC2FWWCpyISWkqoybaIfstrcoUOoqY61dmKla0p4ce0B4lH2/YtgyVTu0Zkq9jG4vntFVzt60DWufsvdPaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T11:23:25.500058Z"},"content_sha256":"fccf198255a3eab2f3b220f8f2a622e49ef9bd79102deb922cbda196ad870f77","schema_version":"1.0","event_id":"sha256:fccf198255a3eab2f3b220f8f2a622e49ef9bd79102deb922cbda196ad870f77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GIY7KD2HV5ZRMOVJC6XRSDWNW/bundle.json","state_url":"https://pith.science/pith/4GIY7KD2HV5ZRMOVJC6XRSDWNW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GIY7KD2HV5ZRMOVJC6XRSDWNW/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":"2026-07-04T11:23:25Z","links":{"resolver":"https://pith.science/pith/4GIY7KD2HV5ZRMOVJC6XRSDWNW","bundle":"https://pith.science/pith/4GIY7KD2HV5ZRMOVJC6XRSDWNW/bundle.json","state":"https://pith.science/pith/4GIY7KD2HV5ZRMOVJC6XRSDWNW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GIY7KD2HV5ZRMOVJC6XRSDWNW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4GIY7KD2HV5ZRMOVJC6XRSDWNW","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":"ab6b6cb785c414ceaf9c6dc418cea0224f7caf99526d6c41fb40cdffa628b15a","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-lat","submitted_at":"2014-09-19T19:16:55Z","title_canon_sha256":"aab94c8b6954c9f7dd79358571076b99b8352bdbe969c6fcaa0ec5e72c313006"},"schema_version":"1.0","source":{"id":"1409.5769","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5769","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5769v2","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5769","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"4GIY7KD2HV5Z","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4GIY7KD2HV5ZRMOV","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4GIY7KD2","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:fccf198255a3eab2f3b220f8f2a622e49ef9bd79102deb922cbda196ad870f77","target":"graph","created_at":"2026-05-18T02:42:14Z","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":"The Rome method allows one to extract form factors using lattice computations performed strictly at zero momentum. We investigate the size of finite volume effects resulting from this method. As a test case, we focus on the pion charge radius and show how to ascertain the finite volume effect with the aid of chiral perturbation theory. The framework developed can easily be generalized to account for modified infrared physics of other low-energy matrix elements extracted at zero momentum.","authors_text":"Brian C. Tiburzi","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-lat","submitted_at":"2014-09-19T19:16:55Z","title":"Volume Effects on the Method of Extracting Form Factors at Zero Momentum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5769","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":"sha256:43e15d668df1caeb291416fde4f532c323a8bb6be23fc44750cb952b1f162a2d","target":"record","created_at":"2026-05-18T02:42:14Z","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":"ab6b6cb785c414ceaf9c6dc418cea0224f7caf99526d6c41fb40cdffa628b15a","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"hep-lat","submitted_at":"2014-09-19T19:16:55Z","title_canon_sha256":"aab94c8b6954c9f7dd79358571076b99b8352bdbe969c6fcaa0ec5e72c313006"},"schema_version":"1.0","source":{"id":"1409.5769","kind":"arxiv","version":2}},"canonical_sha256":"e1918fa87a3d7b98b1d548bd78c8766d835853772f78068fd6493ae69fb4c2a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1918fa87a3d7b98b1d548bd78c8766d835853772f78068fd6493ae69fb4c2a9","first_computed_at":"2026-05-18T02:42:14.173781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:14.173781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y88baY4mUBJa9KcjBgVfj2GzU+PV7fo7K8LklcYaF2hk1biEAojl5jsiYuyyztWuYB+G3xs6Z5t5vO9g8dUGAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:14.174249Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.5769","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43e15d668df1caeb291416fde4f532c323a8bb6be23fc44750cb952b1f162a2d","sha256:fccf198255a3eab2f3b220f8f2a622e49ef9bd79102deb922cbda196ad870f77"],"state_sha256":"9de59a29ec213319604cd767eb5d4178b5b415cf35554a422ee2a543afd66ecd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qcKYQ6dNEZoxi7Y0EBObRfGnubMTOcOniguxxftq+0mh4Ir/AymZXzSqWRUxdI88GZzSLmjKqbOmUdvmEyT2Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T11:23:25.501964Z","bundle_sha256":"c5313a61d0648b51b6c72bca744f198d7f1f8871453b6196e6f02b9ec9b9498d"}}