{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ULKGJGJGLCK7ZTMT6ENNRIYZ6E","short_pith_number":"pith:ULKGJGJG","canonical_record":{"source":{"id":"2110.05278","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-10-11T13:49:45Z","cross_cats_sorted":["hep-ex","hep-lat","hep-ph","nucl-ex"],"title_canon_sha256":"2e2d29817e2f728c9a72db786cad734386f4521eece579934c6b2448409d2f18","abstract_canon_sha256":"09de1aecc9f6e344e660fce1f6a3d5e3d81c7e6adc154b8cad1276620950eadf"},"schema_version":"1.0"},"canonical_sha256":"a2d46499265895fccd93f11ad8a319f11d6b2565f2bab370ad06d8952fa80a71","source":{"kind":"arxiv","id":"2110.05278","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.05278","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"arxiv_version","alias_value":"2110.05278v2","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.05278","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"pith_short_12","alias_value":"ULKGJGJGLCK7","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"pith_short_16","alias_value":"ULKGJGJGLCK7ZTMT","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"pith_short_8","alias_value":"ULKGJGJG","created_at":"2026-07-05T03:53:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ULKGJGJGLCK7ZTMT6ENNRIYZ6E","target":"record","payload":{"canonical_record":{"source":{"id":"2110.05278","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-10-11T13:49:45Z","cross_cats_sorted":["hep-ex","hep-lat","hep-ph","nucl-ex"],"title_canon_sha256":"2e2d29817e2f728c9a72db786cad734386f4521eece579934c6b2448409d2f18","abstract_canon_sha256":"09de1aecc9f6e344e660fce1f6a3d5e3d81c7e6adc154b8cad1276620950eadf"},"schema_version":"1.0"},"canonical_sha256":"a2d46499265895fccd93f11ad8a319f11d6b2565f2bab370ad06d8952fa80a71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:53:06.719903Z","signature_b64":"kVktvIYzt7LsbJDdUHhAL9Z+d3AoomLht4MPOuWEQPv3PGposqhXr/VUbiGNLFzi5sFnTVuId/tdP1/86Ea+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2d46499265895fccd93f11ad8a319f11d6b2565f2bab370ad06d8952fa80a71","last_reissued_at":"2026-07-05T03:53:06.719482Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:53:06.719482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.05278","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":"2026-07-05T03:53:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ud9OLcXtJ9FAAthRLWxecQQXyPl2kUT6oa7VFbzqplnATEpyCYkaJ7WTusp+CHeplepXeTX5AtqMHAFfWNPWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T18:49:14.543120Z"},"content_sha256":"949760f159f906472754e5f6fbf03aff4237a4f1414723d17a10efa658ed1c31","schema_version":"1.0","event_id":"sha256:949760f159f906472754e5f6fbf03aff4237a4f1414723d17a10efa658ed1c31"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ULKGJGJGLCK7ZTMT6ENNRIYZ6E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonperturbative two-pion exchange contributions to the nucleon-nucleon interaction in covariant baryon chiral perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Chun-Xuan Wang, Jun-Xu Lu, Li-Sheng Geng, Yang Xiao","submitted_at":"2021-10-11T13:49:45Z","abstract_excerpt":"We calculate the nonperturbative two-pion exchange (TPE) contributions to the $NN$ interaction in covariant baryon chiral perturbation theory. We study how the nonperturbative resummation affects the $NN$ phase shifts for partial waves with $J \\geq 3$ and $L \\leq 6$. No significant differences are observed between the nonperturbative phase shifts and perturbative ones for most partial waves except for $^3D_3$, for which the nonperturbative resummation greatly improves the description of the phase shifts. However, a significant cutoff dependence is found for this partial wave and a reasonable d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.05278","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2110.05278/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":"2026-07-05T03:53:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gGfamV3ak+Niu4wlVsCjvB7gyM4suCLefpvXAzGMi4tozT5LGzyZl51zJPoZCT1DC1L8oDBS17IzfNPK8yJfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T18:49:14.543627Z"},"content_sha256":"0f0942b2626d401ba94fc2562518f5353660c44835db224d2e644fb11c1e0d15","schema_version":"1.0","event_id":"sha256:0f0942b2626d401ba94fc2562518f5353660c44835db224d2e644fb11c1e0d15"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ULKGJGJGLCK7ZTMT6ENNRIYZ6E/bundle.json","state_url":"https://pith.science/pith/ULKGJGJGLCK7ZTMT6ENNRIYZ6E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ULKGJGJGLCK7ZTMT6ENNRIYZ6E/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":"2026-08-20T18:49:14Z","links":{"resolver":"https://pith.science/pith/ULKGJGJGLCK7ZTMT6ENNRIYZ6E","bundle":"https://pith.science/pith/ULKGJGJGLCK7ZTMT6ENNRIYZ6E/bundle.json","state":"https://pith.science/pith/ULKGJGJGLCK7ZTMT6ENNRIYZ6E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ULKGJGJGLCK7ZTMT6ENNRIYZ6E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ULKGJGJGLCK7ZTMT6ENNRIYZ6E","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":"09de1aecc9f6e344e660fce1f6a3d5e3d81c7e6adc154b8cad1276620950eadf","cross_cats_sorted":["hep-ex","hep-lat","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-10-11T13:49:45Z","title_canon_sha256":"2e2d29817e2f728c9a72db786cad734386f4521eece579934c6b2448409d2f18"},"schema_version":"1.0","source":{"id":"2110.05278","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.05278","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"arxiv_version","alias_value":"2110.05278v2","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.05278","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"pith_short_12","alias_value":"ULKGJGJGLCK7","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"pith_short_16","alias_value":"ULKGJGJGLCK7ZTMT","created_at":"2026-07-05T03:53:06Z"},{"alias_kind":"pith_short_8","alias_value":"ULKGJGJG","created_at":"2026-07-05T03:53:06Z"}],"graph_snapshots":[{"event_id":"sha256:0f0942b2626d401ba94fc2562518f5353660c44835db224d2e644fb11c1e0d15","target":"graph","created_at":"2026-07-05T03:53:06Z","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/2110.05278/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate the nonperturbative two-pion exchange (TPE) contributions to the $NN$ interaction in covariant baryon chiral perturbation theory. We study how the nonperturbative resummation affects the $NN$ phase shifts for partial waves with $J \\geq 3$ and $L \\leq 6$. No significant differences are observed between the nonperturbative phase shifts and perturbative ones for most partial waves except for $^3D_3$, for which the nonperturbative resummation greatly improves the description of the phase shifts. However, a significant cutoff dependence is found for this partial wave and a reasonable d","authors_text":"Chun-Xuan Wang, Jun-Xu Lu, Li-Sheng Geng, Yang Xiao","cross_cats":["hep-ex","hep-lat","hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-10-11T13:49:45Z","title":"Nonperturbative two-pion exchange contributions to the nucleon-nucleon interaction in covariant baryon chiral perturbation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.05278","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":"sha256:949760f159f906472754e5f6fbf03aff4237a4f1414723d17a10efa658ed1c31","target":"record","created_at":"2026-07-05T03:53:06Z","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":"09de1aecc9f6e344e660fce1f6a3d5e3d81c7e6adc154b8cad1276620950eadf","cross_cats_sorted":["hep-ex","hep-lat","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-10-11T13:49:45Z","title_canon_sha256":"2e2d29817e2f728c9a72db786cad734386f4521eece579934c6b2448409d2f18"},"schema_version":"1.0","source":{"id":"2110.05278","kind":"arxiv","version":2}},"canonical_sha256":"a2d46499265895fccd93f11ad8a319f11d6b2565f2bab370ad06d8952fa80a71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2d46499265895fccd93f11ad8a319f11d6b2565f2bab370ad06d8952fa80a71","first_computed_at":"2026-07-05T03:53:06.719482Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:53:06.719482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kVktvIYzt7LsbJDdUHhAL9Z+d3AoomLht4MPOuWEQPv3PGposqhXr/VUbiGNLFzi5sFnTVuId/tdP1/86Ea+CA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:53:06.719903Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.05278","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:949760f159f906472754e5f6fbf03aff4237a4f1414723d17a10efa658ed1c31","sha256:0f0942b2626d401ba94fc2562518f5353660c44835db224d2e644fb11c1e0d15"],"state_sha256":"01efeb52d7d688fa2324b628cfc806b47277b335de485bb15c7036df030dfc53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+f/b1hzeM53GILjJUgolubrZACqAPpJBIFvMd4PHNY4/W4mHQhfAleXguI8S7yiA/XOfjrLnAn765IZJySLDCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T18:49:14.548445Z","bundle_sha256":"670779530063ed1553cc906384596a2cb3021960d5e7f9b7dc07a3117910b913"}}