{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:77YNNQ4DS7BYUFP5MXODRVJMAU","short_pith_number":"pith:77YNNQ4D","canonical_record":{"source":{"id":"1402.0656","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-02-04T08:40:20Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"c719e651e66edd90439c49b1032430efac69c065c603563796129d02bdf49e2a","abstract_canon_sha256":"6447cc038eeaaeb6eed3c37af680580f1c9192024545c1c6d9bc999717225996"},"schema_version":"1.0"},"canonical_sha256":"fff0d6c38397c38a15fd65dc38d52c05164801c1a076da1c000a45c8faeae5fc","source":{"kind":"arxiv","id":"1402.0656","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0656","created_at":"2026-05-18T01:44:48Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0656v1","created_at":"2026-05-18T01:44:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0656","created_at":"2026-05-18T01:44:48Z"},{"alias_kind":"pith_short_12","alias_value":"77YNNQ4DS7BY","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"77YNNQ4DS7BYUFP5","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"77YNNQ4D","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:77YNNQ4DS7BYUFP5MXODRVJMAU","target":"record","payload":{"canonical_record":{"source":{"id":"1402.0656","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-02-04T08:40:20Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"c719e651e66edd90439c49b1032430efac69c065c603563796129d02bdf49e2a","abstract_canon_sha256":"6447cc038eeaaeb6eed3c37af680580f1c9192024545c1c6d9bc999717225996"},"schema_version":"1.0"},"canonical_sha256":"fff0d6c38397c38a15fd65dc38d52c05164801c1a076da1c000a45c8faeae5fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:48.156898Z","signature_b64":"2wTzKQf3O7P0b0a8n2exoIXER2AlIARZtihn6Yu9Kbt8GgmrDiY3jV2+sPXX/QymDV1kx+FSce8MKMzPThbqBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fff0d6c38397c38a15fd65dc38d52c05164801c1a076da1c000a45c8faeae5fc","last_reissued_at":"2026-05-18T01:44:48.156264Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:48.156264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.0656","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":"2026-05-18T01:44:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C8Hv5c2gAaH6863z9iYxP3/LNtmpDWEizUsROvW5kuPT3o1gQ4glHil1E6JW82dlD3/c15kL1P4FYYvpZ98LAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:44:04.886839Z"},"content_sha256":"e5bd76548fa6036535e83bc0a64119249ecb9386e960ded9c696a68431e63728","schema_version":"1.0","event_id":"sha256:e5bd76548fa6036535e83bc0a64119249ecb9386e960ded9c696a68431e63728"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:77YNNQ4DS7BYUFP5MXODRVJMAU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pion photo- and electroproduction in relativistic baryon ChPT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Lothar Tiator, Marius Hilt, Stefan Scherer","submitted_at":"2014-02-04T08:40:20Z","abstract_excerpt":"We present a calculation of pion photo- and electroproduction in manifestly Lorentz-invariant baryon chiral perturbation theory up to and including order q^4. We fix the low-energy constants by fitting experimental data in all available reaction channels. Our results can be accessed via a web interface, the so-called chiral MAID."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0656","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":"2026-05-18T01:44:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X0yj4kSvLuvE0CcUCFFNuvBP6aouckPabVeFbyLX6KX0r6KJT8W0CN2wwFio6I1VIswFFf/dNWja4ok83VWVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:44:04.887374Z"},"content_sha256":"ba3c257669062ab992f26097782bdb5e6861d56cf649677d92f51a62e17becbf","schema_version":"1.0","event_id":"sha256:ba3c257669062ab992f26097782bdb5e6861d56cf649677d92f51a62e17becbf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/77YNNQ4DS7BYUFP5MXODRVJMAU/bundle.json","state_url":"https://pith.science/pith/77YNNQ4DS7BYUFP5MXODRVJMAU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/77YNNQ4DS7BYUFP5MXODRVJMAU/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":"2026-06-01T02:44:04Z","links":{"resolver":"https://pith.science/pith/77YNNQ4DS7BYUFP5MXODRVJMAU","bundle":"https://pith.science/pith/77YNNQ4DS7BYUFP5MXODRVJMAU/bundle.json","state":"https://pith.science/pith/77YNNQ4DS7BYUFP5MXODRVJMAU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/77YNNQ4DS7BYUFP5MXODRVJMAU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:77YNNQ4DS7BYUFP5MXODRVJMAU","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":"6447cc038eeaaeb6eed3c37af680580f1c9192024545c1c6d9bc999717225996","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-02-04T08:40:20Z","title_canon_sha256":"c719e651e66edd90439c49b1032430efac69c065c603563796129d02bdf49e2a"},"schema_version":"1.0","source":{"id":"1402.0656","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0656","created_at":"2026-05-18T01:44:48Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0656v1","created_at":"2026-05-18T01:44:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0656","created_at":"2026-05-18T01:44:48Z"},{"alias_kind":"pith_short_12","alias_value":"77YNNQ4DS7BY","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"77YNNQ4DS7BYUFP5","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"77YNNQ4D","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:ba3c257669062ab992f26097782bdb5e6861d56cf649677d92f51a62e17becbf","target":"graph","created_at":"2026-05-18T01:44:48Z","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 present a calculation of pion photo- and electroproduction in manifestly Lorentz-invariant baryon chiral perturbation theory up to and including order q^4. We fix the low-energy constants by fitting experimental data in all available reaction channels. Our results can be accessed via a web interface, the so-called chiral MAID.","authors_text":"Lothar Tiator, Marius Hilt, Stefan Scherer","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-02-04T08:40:20Z","title":"Pion photo- and electroproduction in relativistic baryon ChPT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0656","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:e5bd76548fa6036535e83bc0a64119249ecb9386e960ded9c696a68431e63728","target":"record","created_at":"2026-05-18T01:44:48Z","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":"6447cc038eeaaeb6eed3c37af680580f1c9192024545c1c6d9bc999717225996","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-02-04T08:40:20Z","title_canon_sha256":"c719e651e66edd90439c49b1032430efac69c065c603563796129d02bdf49e2a"},"schema_version":"1.0","source":{"id":"1402.0656","kind":"arxiv","version":1}},"canonical_sha256":"fff0d6c38397c38a15fd65dc38d52c05164801c1a076da1c000a45c8faeae5fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fff0d6c38397c38a15fd65dc38d52c05164801c1a076da1c000a45c8faeae5fc","first_computed_at":"2026-05-18T01:44:48.156264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:48.156264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2wTzKQf3O7P0b0a8n2exoIXER2AlIARZtihn6Yu9Kbt8GgmrDiY3jV2+sPXX/QymDV1kx+FSce8MKMzPThbqBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:48.156898Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.0656","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5bd76548fa6036535e83bc0a64119249ecb9386e960ded9c696a68431e63728","sha256:ba3c257669062ab992f26097782bdb5e6861d56cf649677d92f51a62e17becbf"],"state_sha256":"f596a41b50e2140bc1077858ec7ad3ae6c5653289b27dc8b3064b5563103fd53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4c6LRzAo5RSIntnWxRbOmns/BlVCODNHwAaSGfwCS0NNMzRVQzJn2fCayiAE8P7QBpJyrsboEJBnMTGM4/tQBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:44:04.890562Z","bundle_sha256":"35e52f02e045a782ca33fb5d227866e9fb143ff04f7472a749f3451b5ceb881e"}}