{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:7SPEM57BE7NCG6AA34GP6YPZQV","short_pith_number":"pith:7SPEM57B","schema_version":"1.0","canonical_sha256":"fc9e4677e127da237800df0cff61f9857d728fa338a51880798037589a7005bd","source":{"kind":"arxiv","id":"2109.00753","version":1},"attestation_state":"computed","paper":{"title":"The antinucleus annihilation reconstruction algorithm of the GAPS experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A. Lenni, A. Stoessl, A. Tiberio, C. Gerrity, E. Vannuccini, F. Rogers, J.L. Ryan, M. Boezio, M. Xiao, M. Yamatani, N. Marcelli, N. Saffold, P. von Doetinchem, R. Munini, S. Quinn","submitted_at":"2021-09-02T07:22:55Z","abstract_excerpt":"The General AntiParticle Spectrometer (GAPS) is an Antarctic balloon-borne detector designed to measure low-energy cosmic antinuclei (< 0.25 GeV/n), with a specific focus on antideuterons, as a distinctive signal from dark matter annihilation or decay in the Galactic halo. The instrument consists of a tracker, made up of ten planes of lithium-drifted Silicon Si(Li) detectors, surrounded by a plastic scintillator Time-of-Flight system. GAPS uses a novel particle identification method based on exotic atom capture and decay with the emission of pions, protons, and atomic X-rays from a common anni"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2109.00753","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-09-02T07:22:55Z","cross_cats_sorted":["hep-ex","physics.ins-det"],"title_canon_sha256":"ecffd49b6ef4cb78a0789350d406124afc9f9818bd74f8f577861cd9ddd3c5f8","abstract_canon_sha256":"84cf4aa320acf5e530d8320a95c053d7e56b88808fdaf8c350cf00d778bf10a5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:11:49.282542Z","signature_b64":"OCp5MM8TRt1KhhYsUULGd74grZt96hmgCDf9lNSiY2APy2kLzpu6gdWxRikmgeuK1HGDnNvN25Z5yVaok45TDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc9e4677e127da237800df0cff61f9857d728fa338a51880798037589a7005bd","last_reissued_at":"2026-07-05T03:11:49.282039Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:11:49.282039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The antinucleus annihilation reconstruction algorithm of the GAPS experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A. Lenni, A. Stoessl, A. Tiberio, C. Gerrity, E. Vannuccini, F. Rogers, J.L. Ryan, M. Boezio, M. Xiao, M. Yamatani, N. Marcelli, N. Saffold, P. von Doetinchem, R. Munini, S. Quinn","submitted_at":"2021-09-02T07:22:55Z","abstract_excerpt":"The General AntiParticle Spectrometer (GAPS) is an Antarctic balloon-borne detector designed to measure low-energy cosmic antinuclei (< 0.25 GeV/n), with a specific focus on antideuterons, as a distinctive signal from dark matter annihilation or decay in the Galactic halo. The instrument consists of a tracker, made up of ten planes of lithium-drifted Silicon Si(Li) detectors, surrounded by a plastic scintillator Time-of-Flight system. GAPS uses a novel particle identification method based on exotic atom capture and decay with the emission of pions, protons, and atomic X-rays from a common anni"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.00753","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/2109.00753/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2109.00753","created_at":"2026-07-05T03:11:49.282095+00:00"},{"alias_kind":"arxiv_version","alias_value":"2109.00753v1","created_at":"2026-07-05T03:11:49.282095+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.00753","created_at":"2026-07-05T03:11:49.282095+00:00"},{"alias_kind":"pith_short_12","alias_value":"7SPEM57BE7NC","created_at":"2026-07-05T03:11:49.282095+00:00"},{"alias_kind":"pith_short_16","alias_value":"7SPEM57BE7NCG6AA","created_at":"2026-07-05T03:11:49.282095+00:00"},{"alias_kind":"pith_short_8","alias_value":"7SPEM57B","created_at":"2026-07-05T03:11:49.282095+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.19830","citing_title":"The General Antiparticle Spectrometer (GAPS) Antarctic Balloon Payload","ref_index":23,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV","json":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV.json","graph_json":"https://pith.science/api/pith-number/7SPEM57BE7NCG6AA34GP6YPZQV/graph.json","events_json":"https://pith.science/api/pith-number/7SPEM57BE7NCG6AA34GP6YPZQV/events.json","paper":"https://pith.science/paper/7SPEM57B"},"agent_actions":{"view_html":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV","download_json":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV.json","view_paper":"https://pith.science/paper/7SPEM57B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2109.00753&json=true","fetch_graph":"https://pith.science/api/pith-number/7SPEM57BE7NCG6AA34GP6YPZQV/graph.json","fetch_events":"https://pith.science/api/pith-number/7SPEM57BE7NCG6AA34GP6YPZQV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV/action/storage_attestation","attest_author":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV/action/author_attestation","sign_citation":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV/action/citation_signature","submit_replication":"https://pith.science/pith/7SPEM57BE7NCG6AA34GP6YPZQV/action/replication_record"}},"created_at":"2026-07-05T03:11:49.282095+00:00","updated_at":"2026-07-05T03:11:49.282095+00:00"}