{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:5ZUBAHN73NSYRXWMOENPXSAITB","short_pith_number":"pith:5ZUBAHN7","canonical_record":{"source":{"id":"2001.05327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-01-15T13:59:43Z","cross_cats_sorted":["astro-ph.HE","hep-lat","nucl-th"],"title_canon_sha256":"01458c7802d150a3386c84cdb131a84177d2f60f4243506558190f92b42424a1","abstract_canon_sha256":"a8e8d0c5e6ba6e64f601e8379a7946bb2c29b2eb38714d3ed92dab2f73458ad5"},"schema_version":"1.0"},"canonical_sha256":"ee68101dbfdb6588decc711afbc808987ea9a9efc92d568bd2018fcc075a792d","source":{"kind":"arxiv","id":"2001.05327","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.05327","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"arxiv_version","alias_value":"2001.05327v1","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.05327","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"pith_short_12","alias_value":"5ZUBAHN73NSY","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"pith_short_16","alias_value":"5ZUBAHN73NSYRXWM","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"pith_short_8","alias_value":"5ZUBAHN7","created_at":"2026-07-05T00:53:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:5ZUBAHN73NSYRXWMOENPXSAITB","target":"record","payload":{"canonical_record":{"source":{"id":"2001.05327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-01-15T13:59:43Z","cross_cats_sorted":["astro-ph.HE","hep-lat","nucl-th"],"title_canon_sha256":"01458c7802d150a3386c84cdb131a84177d2f60f4243506558190f92b42424a1","abstract_canon_sha256":"a8e8d0c5e6ba6e64f601e8379a7946bb2c29b2eb38714d3ed92dab2f73458ad5"},"schema_version":"1.0"},"canonical_sha256":"ee68101dbfdb6588decc711afbc808987ea9a9efc92d568bd2018fcc075a792d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:53:16.831030Z","signature_b64":"w22S3h/l00S1tsEsTpRe8FdFUggLWhMhc3ftRqMqx7crfR5ULtcrZnMpnAjJSqvRBAU5LDNZO6SE+3SbmWcuCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee68101dbfdb6588decc711afbc808987ea9a9efc92d568bd2018fcc075a792d","last_reissued_at":"2026-07-05T00:53:16.830565Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:53:16.830565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.05327","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":"2026-07-05T00:53:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dych1Wtgw1oV4O35c0WZbNAoVAFeKWotwFE25vczxCNZa8BZMqliB4M2In1qUaSv556Y/LWDGJAZvD7GTOj2DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:15:27.588529Z"},"content_sha256":"0c3a1c2bced3ec5605b24006b60639f1b1fd95128f2aaf1d0829238a1137b09d","schema_version":"1.0","event_id":"sha256:0c3a1c2bced3ec5605b24006b60639f1b1fd95128f2aaf1d0829238a1137b09d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:5ZUBAHN73NSYRXWMOENPXSAITB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Precision calculation of the axion-nucleon coupling in chiral perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Feng-Kun Guo, Thomas Vonk, Ulf-G. Mei{\\ss}ner","submitted_at":"2020-01-15T13:59:43Z","abstract_excerpt":"We derive the axion-nucleon interaction Lagrangian in heavy baryon chiral perturbation theory up to next-to-next-to-leading order. The effective axion-nucleon coupling is calculated to a few percent accuracy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.05327","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.05327/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:53:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bZXrgK19Ty3LTkEfnzlXR7L5R+u6Ih9rN0HHFMn69Scidmto7/tocVW2/xRFO+mKhCrf9UtXCGy5VTKm1OOjDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:15:27.589480Z"},"content_sha256":"cebeb1a643c1ea1ffbe96b44d558b2f3670a1eae757c3e6951f441804a46a190","schema_version":"1.0","event_id":"sha256:cebeb1a643c1ea1ffbe96b44d558b2f3670a1eae757c3e6951f441804a46a190"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5ZUBAHN73NSYRXWMOENPXSAITB/bundle.json","state_url":"https://pith.science/pith/5ZUBAHN73NSYRXWMOENPXSAITB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5ZUBAHN73NSYRXWMOENPXSAITB/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":"2026-08-05T07:15:27Z","links":{"resolver":"https://pith.science/pith/5ZUBAHN73NSYRXWMOENPXSAITB","bundle":"https://pith.science/pith/5ZUBAHN73NSYRXWMOENPXSAITB/bundle.json","state":"https://pith.science/pith/5ZUBAHN73NSYRXWMOENPXSAITB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5ZUBAHN73NSYRXWMOENPXSAITB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:5ZUBAHN73NSYRXWMOENPXSAITB","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":"a8e8d0c5e6ba6e64f601e8379a7946bb2c29b2eb38714d3ed92dab2f73458ad5","cross_cats_sorted":["astro-ph.HE","hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-01-15T13:59:43Z","title_canon_sha256":"01458c7802d150a3386c84cdb131a84177d2f60f4243506558190f92b42424a1"},"schema_version":"1.0","source":{"id":"2001.05327","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.05327","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"arxiv_version","alias_value":"2001.05327v1","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.05327","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"pith_short_12","alias_value":"5ZUBAHN73NSY","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"pith_short_16","alias_value":"5ZUBAHN73NSYRXWM","created_at":"2026-07-05T00:53:16Z"},{"alias_kind":"pith_short_8","alias_value":"5ZUBAHN7","created_at":"2026-07-05T00:53:16Z"}],"graph_snapshots":[{"event_id":"sha256:cebeb1a643c1ea1ffbe96b44d558b2f3670a1eae757c3e6951f441804a46a190","target":"graph","created_at":"2026-07-05T00:53:16Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2001.05327/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We derive the axion-nucleon interaction Lagrangian in heavy baryon chiral perturbation theory up to next-to-next-to-leading order. The effective axion-nucleon coupling is calculated to a few percent accuracy.","authors_text":"Feng-Kun Guo, Thomas Vonk, Ulf-G. Mei{\\ss}ner","cross_cats":["astro-ph.HE","hep-lat","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-01-15T13:59:43Z","title":"Precision calculation of the axion-nucleon coupling in chiral perturbation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.05327","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":"sha256:0c3a1c2bced3ec5605b24006b60639f1b1fd95128f2aaf1d0829238a1137b09d","target":"record","created_at":"2026-07-05T00:53:16Z","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":"a8e8d0c5e6ba6e64f601e8379a7946bb2c29b2eb38714d3ed92dab2f73458ad5","cross_cats_sorted":["astro-ph.HE","hep-lat","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-01-15T13:59:43Z","title_canon_sha256":"01458c7802d150a3386c84cdb131a84177d2f60f4243506558190f92b42424a1"},"schema_version":"1.0","source":{"id":"2001.05327","kind":"arxiv","version":1}},"canonical_sha256":"ee68101dbfdb6588decc711afbc808987ea9a9efc92d568bd2018fcc075a792d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee68101dbfdb6588decc711afbc808987ea9a9efc92d568bd2018fcc075a792d","first_computed_at":"2026-07-05T00:53:16.830565Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:53:16.830565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w22S3h/l00S1tsEsTpRe8FdFUggLWhMhc3ftRqMqx7crfR5ULtcrZnMpnAjJSqvRBAU5LDNZO6SE+3SbmWcuCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:53:16.831030Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.05327","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c3a1c2bced3ec5605b24006b60639f1b1fd95128f2aaf1d0829238a1137b09d","sha256:cebeb1a643c1ea1ffbe96b44d558b2f3670a1eae757c3e6951f441804a46a190"],"state_sha256":"d51064d2fc921e4f6b541c9fe4606cd21e68270a97437d672cb9c93d4acdb93f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3kPIRvt9tarf5IS7kLyvDn+NzY/2CK8q17Xxxm/nxMMpjHuhKYozjeBdkXxSSnVM93jMJM3que/1TLZVIsEMBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:15:27.594339Z","bundle_sha256":"4a3011dfc5a5995f9fb75b7c0f9fb27afd2b6ec23b7f8466af470f71d23a9459"}}