{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:U5IQ5GO56WJDSQD3KA3KXHIRY2","short_pith_number":"pith:U5IQ5GO5","schema_version":"1.0","canonical_sha256":"a7510e99ddf59239407b5036ab9d11c6a2bacf9c06f2891b8827fff6c1f91233","source":{"kind":"arxiv","id":"1901.00627","version":1},"attestation_state":"computed","paper":{"title":"Filaments of Galaxies as a Clue to the Origin of Ultra-High-Energy Cosmic Rays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"(2) Pusan National University, (3) KASI, (4) Chungnam National University, Dongsu Ryu (1), Hyesung Kang (2), Jihyun Kim (1), Korea, Korea), Soo-Chang Rey (4) ((1) UNIST, Suk Kim (3)","submitted_at":"2019-01-03T06:35:34Z","abstract_excerpt":"Ultra-high-energy cosmic rays (UHECRs) are known to come from outside of our Galaxy, but their origin still remains unknown. The Telescope Array (TA) experiment recently identified a high concentration in the arrival directions of UHECRs with energies above $5.7 \\times 10^{19} eV$, called hotspot. We here report the presence of filaments of galaxies, connected to the Virgo Cluster, on the sky around the hotspot, and a statistically significant correlation between hotspot events and the filaments. With 5-year TA data, the maximum significance of binomial statistics for the correlation is estima"},"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":"1901.00627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-03T06:35:34Z","cross_cats_sorted":[],"title_canon_sha256":"ca368914f8f4e52b8ba6c2728fbc0e6ca097a520b5f1b23f9eddc86525ac8e2e","abstract_canon_sha256":"b5b1b656a9486b586ad7e699d301f69285ac1ede7dd78766c0096941b4aa48d5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:01.869046Z","signature_b64":"rM1Ri0UFC5MJyAOnSDQ49cZSCGyA2fEbBS24y0rlyjmxCwNDvuCE5XA7gwHMHGdenGTFoKEWLUCOOxA1zDNOAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7510e99ddf59239407b5036ab9d11c6a2bacf9c06f2891b8827fff6c1f91233","last_reissued_at":"2026-05-17T23:57:01.868377Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:01.868377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Filaments of Galaxies as a Clue to the Origin of Ultra-High-Energy Cosmic Rays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"(2) Pusan National University, (3) KASI, (4) Chungnam National University, Dongsu Ryu (1), Hyesung Kang (2), Jihyun Kim (1), Korea, Korea), Soo-Chang Rey (4) ((1) UNIST, Suk Kim (3)","submitted_at":"2019-01-03T06:35:34Z","abstract_excerpt":"Ultra-high-energy cosmic rays (UHECRs) are known to come from outside of our Galaxy, but their origin still remains unknown. The Telescope Array (TA) experiment recently identified a high concentration in the arrival directions of UHECRs with energies above $5.7 \\times 10^{19} eV$, called hotspot. We here report the presence of filaments of galaxies, connected to the Virgo Cluster, on the sky around the hotspot, and a statistically significant correlation between hotspot events and the filaments. With 5-year TA data, the maximum significance of binomial statistics for the correlation is estima"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00627","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":""},"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":"1901.00627","created_at":"2026-05-17T23:57:01.868497+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.00627v1","created_at":"2026-05-17T23:57:01.868497+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00627","created_at":"2026-05-17T23:57:01.868497+00:00"},{"alias_kind":"pith_short_12","alias_value":"U5IQ5GO56WJD","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"U5IQ5GO56WJDSQD3","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"U5IQ5GO5","created_at":"2026-05-18T12:33:30.264802+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2","json":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2.json","graph_json":"https://pith.science/api/pith-number/U5IQ5GO56WJDSQD3KA3KXHIRY2/graph.json","events_json":"https://pith.science/api/pith-number/U5IQ5GO56WJDSQD3KA3KXHIRY2/events.json","paper":"https://pith.science/paper/U5IQ5GO5"},"agent_actions":{"view_html":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2","download_json":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2.json","view_paper":"https://pith.science/paper/U5IQ5GO5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.00627&json=true","fetch_graph":"https://pith.science/api/pith-number/U5IQ5GO56WJDSQD3KA3KXHIRY2/graph.json","fetch_events":"https://pith.science/api/pith-number/U5IQ5GO56WJDSQD3KA3KXHIRY2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/action/storage_attestation","attest_author":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/action/author_attestation","sign_citation":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/action/citation_signature","submit_replication":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/action/replication_record"}},"created_at":"2026-05-17T23:57:01.868497+00:00","updated_at":"2026-05-17T23:57:01.868497+00:00"}