{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:I2S2OBZERNCNI5PS4T6IKVNLVW","short_pith_number":"pith:I2S2OBZE","schema_version":"1.0","canonical_sha256":"46a5a707248b44d475f2e4fc8555abad84e6a291be8e81d4ae6d2e8ea2ad0e64","source":{"kind":"arxiv","id":"2108.00032","version":1},"attestation_state":"computed","paper":{"title":"The Giant Radio Array for Neutrino Detection (GRAND) Project","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"Kumiko Kotera (on behalf of the GRAND Collaboration)","submitted_at":"2021-07-30T18:15:01Z","abstract_excerpt":"The GRAND project aims to detect ultra-high-energy neutrinos, cosmic rays and gamma rays, with an array of $200,000$ radio antennas over $200,000\\,{\\rm km}^2$, split into $\\sim 20$ sub-arrays of $\\sim 10,000\\,{\\rm km}^2$ deployed worldwide. The strategy of GRAND is to detect air showers above $10^{17}\\,$eV that are induced by the interaction of ultra-high-energy particles in the atmosphere or in the Earth crust, through its associated coherent radio-emission in the $50-200\\,$MHz range. In its final configuration, GRAND plans to reach a neutrino-sensitivity of $\\sim 10^{-10}\\,{\\rm GeV}\\,{\\rm cm"},"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":"2108.00032","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-07-30T18:15:01Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"4a86305e31b74de0c574487d790b43a85579aee14a70957c5e791f1ac3ea042a","abstract_canon_sha256":"5b20f50c635bdb93d1acdbe1c03fa0f13f44dacd410da050c08259dbbe116889"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:02:18.391148Z","signature_b64":"Cwe5WMubEIYQwJF41YDSKs5z6yZ1Cloy02+bT3ei446E80pSSxwffQnIcESGnc1x8aPQx8CUJXhYXRb4X4bFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46a5a707248b44d475f2e4fc8555abad84e6a291be8e81d4ae6d2e8ea2ad0e64","last_reissued_at":"2026-07-05T03:02:18.390660Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:02:18.390660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Giant Radio Array for Neutrino Detection (GRAND) Project","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"Kumiko Kotera (on behalf of the GRAND Collaboration)","submitted_at":"2021-07-30T18:15:01Z","abstract_excerpt":"The GRAND project aims to detect ultra-high-energy neutrinos, cosmic rays and gamma rays, with an array of $200,000$ radio antennas over $200,000\\,{\\rm km}^2$, split into $\\sim 20$ sub-arrays of $\\sim 10,000\\,{\\rm km}^2$ deployed worldwide. The strategy of GRAND is to detect air showers above $10^{17}\\,$eV that are induced by the interaction of ultra-high-energy particles in the atmosphere or in the Earth crust, through its associated coherent radio-emission in the $50-200\\,$MHz range. In its final configuration, GRAND plans to reach a neutrino-sensitivity of $\\sim 10^{-10}\\,{\\rm GeV}\\,{\\rm cm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.00032","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/2108.00032/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":"2108.00032","created_at":"2026-07-05T03:02:18.390732+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.00032v1","created_at":"2026-07-05T03:02:18.390732+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.00032","created_at":"2026-07-05T03:02:18.390732+00:00"},{"alias_kind":"pith_short_12","alias_value":"I2S2OBZERNCN","created_at":"2026-07-05T03:02:18.390732+00:00"},{"alias_kind":"pith_short_16","alias_value":"I2S2OBZERNCNI5PS","created_at":"2026-07-05T03:02:18.390732+00:00"},{"alias_kind":"pith_short_8","alias_value":"I2S2OBZE","created_at":"2026-07-05T03:02:18.390732+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2512.20594","citing_title":"The Sensitivity of PUEO to Cosmogenic Neutrinos and Exotic Physics Scenarios","ref_index":15,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW","json":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW.json","graph_json":"https://pith.science/api/pith-number/I2S2OBZERNCNI5PS4T6IKVNLVW/graph.json","events_json":"https://pith.science/api/pith-number/I2S2OBZERNCNI5PS4T6IKVNLVW/events.json","paper":"https://pith.science/paper/I2S2OBZE"},"agent_actions":{"view_html":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW","download_json":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW.json","view_paper":"https://pith.science/paper/I2S2OBZE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.00032&json=true","fetch_graph":"https://pith.science/api/pith-number/I2S2OBZERNCNI5PS4T6IKVNLVW/graph.json","fetch_events":"https://pith.science/api/pith-number/I2S2OBZERNCNI5PS4T6IKVNLVW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW/action/storage_attestation","attest_author":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW/action/author_attestation","sign_citation":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW/action/citation_signature","submit_replication":"https://pith.science/pith/I2S2OBZERNCNI5PS4T6IKVNLVW/action/replication_record"}},"created_at":"2026-07-05T03:02:18.390732+00:00","updated_at":"2026-07-05T03:02:18.390732+00:00"}