{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FIZVDCJCCLFSOHBHJBWOKMEOHJ","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":"ff3822532c258e810e73ce017907c7372473b12128882d39abf69c8c2a9c2580","cross_cats_sorted":["hep-ex","nucl-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-08-19T07:15:59Z","title_canon_sha256":"7ddaee78c4f772a5de933177625f3a200e2942734f833d9cc15fca80093b43a7"},"schema_version":"1.0","source":{"id":"1808.06177","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.06177","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"arxiv_version","alias_value":"1808.06177v2","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06177","created_at":"2026-05-17T23:43:04Z"},{"alias_kind":"pith_short_12","alias_value":"FIZVDCJCCLFS","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FIZVDCJCCLFSOHBH","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FIZVDCJC","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:b5d2baf3eaebe6a6b63d69f14d053dacf2fd911eece5ed6948fa5a0159dfe615","target":"graph","created_at":"2026-05-17T23:43:04Z","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":"A search for dark matter (DM) with mass in the sub-GeV region (0.32-1 GeV) was conducted by looking for an annual modulation signal in XMASS, a single-phase liquid xenon detector. Inelastic nuclear scattering accompanied by bremsstrahlung emission was used to search down to an electron equivalent energy of 1 keV. The data used had a live time of 2.8 years (3.5 years in calendar time), resulting in a total exposure of 2.38 ton-years. No significant modulation signal was observed and 90% confidence level upper limits of $1.6 \\times 10^{-33}$ cm$^2$ at 0.5 GeV was set for the DM-nucleon cross sec","authors_text":"A. Takeda, B. D. Xu, B. S. Yang, G. Kanzaki, H. Ogawa, H. Sekiya, K. Abe, K. B. Lee, K. Fushimi, K. Hiraide, K. Ichimura, K. Kanzawa, K. Kobayashi, K. Martens, K. Masuda, K. Miuchi, K. Nishijima, K. Sato, M. K. Lee, M. Kobayashi, M. Miyasaka, M. Nakahata, M. Yamashita, N. Oka, N. Y. Kim, S. Moriyama, S. Nakamura (XMASS collaboration), S. Tasaka, T. Suzuki, Y. D. Kim, Y. Fukuda, Y. H. Kim, Y. Itow, Y. Kishimoto, Y. Suzuki, Y. Takeuchi","cross_cats":["hep-ex","nucl-ex","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-08-19T07:15:59Z","title":"Search for sub-GeV dark matter by annual modulation using XMASS-I detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06177","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":"sha256:65019ca86abf4d17725a56709304ec6805a0327bc28013dbc0a97bcb964062d4","target":"record","created_at":"2026-05-17T23:43:04Z","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":"ff3822532c258e810e73ce017907c7372473b12128882d39abf69c8c2a9c2580","cross_cats_sorted":["hep-ex","nucl-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-08-19T07:15:59Z","title_canon_sha256":"7ddaee78c4f772a5de933177625f3a200e2942734f833d9cc15fca80093b43a7"},"schema_version":"1.0","source":{"id":"1808.06177","kind":"arxiv","version":2}},"canonical_sha256":"2a3351892212cb271c27486ce5308e3a5c7664c0ba8e243233e73d995ac39ac8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a3351892212cb271c27486ce5308e3a5c7664c0ba8e243233e73d995ac39ac8","first_computed_at":"2026-05-17T23:43:04.713355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:04.713355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T2XuOTftvqqaKjkkL8W2JTdeVCsK573elQtJLus+qfLL2inbVO+Agsiiwtl+gRHi12LAOlsmTIXea5FSaLehAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:04.713877Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.06177","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65019ca86abf4d17725a56709304ec6805a0327bc28013dbc0a97bcb964062d4","sha256:b5d2baf3eaebe6a6b63d69f14d053dacf2fd911eece5ed6948fa5a0159dfe615"],"state_sha256":"7632fdebb12567c1d39e03d868e3eeaef92bb1c9f1d56a4bd6e691249ec292b9"}