{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:S2X6APYD7GST7SWYGSQMGX3QPV","short_pith_number":"pith:S2X6APYD","canonical_record":{"source":{"id":"2006.12321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T15:05:25Z","cross_cats_sorted":["astro-ph.CO","hep-th","nucl-th"],"title_canon_sha256":"acb445c85f5627cae2a15f3879cf0fd4bf1b313b44b1b039922efa77a48e0883","abstract_canon_sha256":"1434ad32785bf064f46eb6bf650d49d1cd5b1aa52676f681f3f5be72cd3abbb6"},"schema_version":"1.0"},"canonical_sha256":"96afe03f03f9a53fcad834a0c35f707d74962682820b1669a871dede693ca216","source":{"kind":"arxiv","id":"2006.12321","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.12321","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"arxiv_version","alias_value":"2006.12321v1","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12321","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"pith_short_12","alias_value":"S2X6APYD7GST","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"pith_short_16","alias_value":"S2X6APYD7GST7SWY","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"pith_short_8","alias_value":"S2X6APYD","created_at":"2026-07-05T01:35:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:S2X6APYD7GST7SWYGSQMGX3QPV","target":"record","payload":{"canonical_record":{"source":{"id":"2006.12321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T15:05:25Z","cross_cats_sorted":["astro-ph.CO","hep-th","nucl-th"],"title_canon_sha256":"acb445c85f5627cae2a15f3879cf0fd4bf1b313b44b1b039922efa77a48e0883","abstract_canon_sha256":"1434ad32785bf064f46eb6bf650d49d1cd5b1aa52676f681f3f5be72cd3abbb6"},"schema_version":"1.0"},"canonical_sha256":"96afe03f03f9a53fcad834a0c35f707d74962682820b1669a871dede693ca216","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:35:34.443378Z","signature_b64":"EyavLsy8Hrkr06lRWUuvubkSkYgamfyzjVg63oEeJAnBBRIyivAxEaG5yBFc2mIGJsIHRuHKoO6nn9o+Ck1QBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96afe03f03f9a53fcad834a0c35f707d74962682820b1669a871dede693ca216","last_reissued_at":"2026-07-05T01:35:34.442942Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:35:34.442942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.12321","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":"2026-07-05T01:35:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mC7qUdl/TT3OycCv3eFIwf19h0WOztegHhUS235kTrhyQT5LIMSHEpzfHmf9ZqxAXys5Gi7CgvDmxoxEoSw8Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:17:04.654348Z"},"content_sha256":"6debdded83e7dd8439e9e78f12d599c078d9988d5bf82d8d2e54270678274d30","schema_version":"1.0","event_id":"sha256:6debdded83e7dd8439e9e78f12d599c078d9988d5bf82d8d2e54270678274d30"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:S2X6APYD7GST7SWYGSQMGX3QPV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\theta$-dependence of light nuclei and nucleosynthesis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th","nucl-th"],"primary_cat":"hep-ph","authors_text":"Dean Lee, Keith A. Olive, Mikhail Shifman, Thomas Vonk, Ulf-G. Mei{\\ss}ner","submitted_at":"2020-06-22T15:05:25Z","abstract_excerpt":"We investigate the impact of the QCD vacuum at nonzero $\\theta$ on the properties of light nuclei, Big Bang nucleosynthesis, and stellar nucleosynthesis. Our analysis starts with a calculation of the $\\theta$-dependence of the neutron-proton mass difference and neutron decay using chiral perturbation theory. We then discuss the $\\theta$-dependence of the nucleon-nucleon interaction using a one-boson-exchange model and compute the properties of the two-nucleon system. Using the universal properties of four-component fermions at large scattering length, we then deduce the binding energies of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12321","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/2006.12321/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":"2026-07-05T01:35:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G+dfLgU/zTEynea4XjTtneieejf7MUwbgEZzHJHqMV1FthbalqFBTaN4DAfOz9q0yAkC1fbm2GBM8rAYh2fSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:17:04.655315Z"},"content_sha256":"fb897a9f1c2362771b378ccf74a827aa32b7ae7c7a65699159c01884cfc07afc","schema_version":"1.0","event_id":"sha256:fb897a9f1c2362771b378ccf74a827aa32b7ae7c7a65699159c01884cfc07afc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S2X6APYD7GST7SWYGSQMGX3QPV/bundle.json","state_url":"https://pith.science/pith/S2X6APYD7GST7SWYGSQMGX3QPV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S2X6APYD7GST7SWYGSQMGX3QPV/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":"2026-08-07T00:17:04Z","links":{"resolver":"https://pith.science/pith/S2X6APYD7GST7SWYGSQMGX3QPV","bundle":"https://pith.science/pith/S2X6APYD7GST7SWYGSQMGX3QPV/bundle.json","state":"https://pith.science/pith/S2X6APYD7GST7SWYGSQMGX3QPV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S2X6APYD7GST7SWYGSQMGX3QPV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:S2X6APYD7GST7SWYGSQMGX3QPV","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":"1434ad32785bf064f46eb6bf650d49d1cd5b1aa52676f681f3f5be72cd3abbb6","cross_cats_sorted":["astro-ph.CO","hep-th","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T15:05:25Z","title_canon_sha256":"acb445c85f5627cae2a15f3879cf0fd4bf1b313b44b1b039922efa77a48e0883"},"schema_version":"1.0","source":{"id":"2006.12321","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.12321","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"arxiv_version","alias_value":"2006.12321v1","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12321","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"pith_short_12","alias_value":"S2X6APYD7GST","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"pith_short_16","alias_value":"S2X6APYD7GST7SWY","created_at":"2026-07-05T01:35:34Z"},{"alias_kind":"pith_short_8","alias_value":"S2X6APYD","created_at":"2026-07-05T01:35:34Z"}],"graph_snapshots":[{"event_id":"sha256:fb897a9f1c2362771b378ccf74a827aa32b7ae7c7a65699159c01884cfc07afc","target":"graph","created_at":"2026-07-05T01:35:34Z","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/2006.12321/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the impact of the QCD vacuum at nonzero $\\theta$ on the properties of light nuclei, Big Bang nucleosynthesis, and stellar nucleosynthesis. Our analysis starts with a calculation of the $\\theta$-dependence of the neutron-proton mass difference and neutron decay using chiral perturbation theory. We then discuss the $\\theta$-dependence of the nucleon-nucleon interaction using a one-boson-exchange model and compute the properties of the two-nucleon system. Using the universal properties of four-component fermions at large scattering length, we then deduce the binding energies of the","authors_text":"Dean Lee, Keith A. Olive, Mikhail Shifman, Thomas Vonk, Ulf-G. Mei{\\ss}ner","cross_cats":["astro-ph.CO","hep-th","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T15:05:25Z","title":"$\\theta$-dependence of light nuclei and nucleosynthesis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12321","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":"sha256:6debdded83e7dd8439e9e78f12d599c078d9988d5bf82d8d2e54270678274d30","target":"record","created_at":"2026-07-05T01:35:34Z","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":"1434ad32785bf064f46eb6bf650d49d1cd5b1aa52676f681f3f5be72cd3abbb6","cross_cats_sorted":["astro-ph.CO","hep-th","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-22T15:05:25Z","title_canon_sha256":"acb445c85f5627cae2a15f3879cf0fd4bf1b313b44b1b039922efa77a48e0883"},"schema_version":"1.0","source":{"id":"2006.12321","kind":"arxiv","version":1}},"canonical_sha256":"96afe03f03f9a53fcad834a0c35f707d74962682820b1669a871dede693ca216","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96afe03f03f9a53fcad834a0c35f707d74962682820b1669a871dede693ca216","first_computed_at":"2026-07-05T01:35:34.442942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:35:34.442942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EyavLsy8Hrkr06lRWUuvubkSkYgamfyzjVg63oEeJAnBBRIyivAxEaG5yBFc2mIGJsIHRuHKoO6nn9o+Ck1QBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:35:34.443378Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.12321","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6debdded83e7dd8439e9e78f12d599c078d9988d5bf82d8d2e54270678274d30","sha256:fb897a9f1c2362771b378ccf74a827aa32b7ae7c7a65699159c01884cfc07afc"],"state_sha256":"966d3b692a6762b63b8816f6b0aa1802ac585862af51aa19eac4080615af6e05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o/nOvjTv/l5I1KTdN9L6bv3b9BsDv5/mYQC8ae4sQ6AC2YAC/3zdjr4+LUOJaL6uoUY3vHP57C8ALg5mC4PuCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:17:04.745703Z","bundle_sha256":"433fafc5d3a25cf46976a69380f774128bd4f9de6f844db89e88a1691ffc4296"}}