{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:U5IQ5GO56WJDSQD3KA3KXHIRY2","short_pith_number":"pith:U5IQ5GO5","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"},"canonical_sha256":"a7510e99ddf59239407b5036ab9d11c6a2bacf9c06f2891b8827fff6c1f91233","source":{"kind":"arxiv","id":"1901.00627","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00627","created_at":"2026-05-17T23:57:01Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00627v1","created_at":"2026-05-17T23:57:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00627","created_at":"2026-05-17T23:57:01Z"},{"alias_kind":"pith_short_12","alias_value":"U5IQ5GO56WJD","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"U5IQ5GO56WJDSQD3","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"U5IQ5GO5","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:U5IQ5GO56WJDSQD3KA3KXHIRY2","target":"record","payload":{"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"},"canonical_sha256":"a7510e99ddf59239407b5036ab9d11c6a2bacf9c06f2891b8827fff6c1f91233","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"},"source_kind":"arxiv","source_id":"1901.00627","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":"2026-05-17T23:57:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0/csbrB6Pqx289GiwRK00PJ4B3UdIg8rSOomYYxo6CAe5RNK0GVXU94SJIUwdLeZsgPUJ4RuaMTFY6USq4XUCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:19:43.851060Z"},"content_sha256":"4b03570478c5c61b727d9d43ae68c6517024ce16c8e0e4f9c6233c30c556106d","schema_version":"1.0","event_id":"sha256:4b03570478c5c61b727d9d43ae68c6517024ce16c8e0e4f9c6233c30c556106d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:U5IQ5GO56WJDSQD3KA3KXHIRY2","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:57:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lZ7X3b91K6cmjGPzhp4/NvPXSIVE6W/NucbUTf/yXxU6UrgamR26aOyf9Kk+nbUvqvkytbAz+p7gwRwbXWLYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:19:43.851423Z"},"content_sha256":"9e213487e81472804d46cb6de3261d318c9423b3b22179fdd9bb62dc0c1f66f9","schema_version":"1.0","event_id":"sha256:9e213487e81472804d46cb6de3261d318c9423b3b22179fdd9bb62dc0c1f66f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/bundle.json","state_url":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/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":"2026-06-01T22:19:43Z","links":{"resolver":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2","bundle":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/bundle.json","state":"https://pith.science/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5IQ5GO56WJDSQD3KA3KXHIRY2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:U5IQ5GO56WJDSQD3KA3KXHIRY2","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":"b5b1b656a9486b586ad7e699d301f69285ac1ede7dd78766c0096941b4aa48d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-03T06:35:34Z","title_canon_sha256":"ca368914f8f4e52b8ba6c2728fbc0e6ca097a520b5f1b23f9eddc86525ac8e2e"},"schema_version":"1.0","source":{"id":"1901.00627","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.00627","created_at":"2026-05-17T23:57:01Z"},{"alias_kind":"arxiv_version","alias_value":"1901.00627v1","created_at":"2026-05-17T23:57:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00627","created_at":"2026-05-17T23:57:01Z"},{"alias_kind":"pith_short_12","alias_value":"U5IQ5GO56WJD","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"U5IQ5GO56WJDSQD3","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"U5IQ5GO5","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:9e213487e81472804d46cb6de3261d318c9423b3b22179fdd9bb62dc0c1f66f9","target":"graph","created_at":"2026-05-17T23:57:01Z","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":"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","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)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-03T06:35:34Z","title":"Filaments of Galaxies as a Clue to the Origin of Ultra-High-Energy Cosmic Rays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00627","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":"sha256:4b03570478c5c61b727d9d43ae68c6517024ce16c8e0e4f9c6233c30c556106d","target":"record","created_at":"2026-05-17T23:57:01Z","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":"b5b1b656a9486b586ad7e699d301f69285ac1ede7dd78766c0096941b4aa48d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-03T06:35:34Z","title_canon_sha256":"ca368914f8f4e52b8ba6c2728fbc0e6ca097a520b5f1b23f9eddc86525ac8e2e"},"schema_version":"1.0","source":{"id":"1901.00627","kind":"arxiv","version":1}},"canonical_sha256":"a7510e99ddf59239407b5036ab9d11c6a2bacf9c06f2891b8827fff6c1f91233","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7510e99ddf59239407b5036ab9d11c6a2bacf9c06f2891b8827fff6c1f91233","first_computed_at":"2026-05-17T23:57:01.868377Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:01.868377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rM1Ri0UFC5MJyAOnSDQ49cZSCGyA2fEbBS24y0rlyjmxCwNDvuCE5XA7gwHMHGdenGTFoKEWLUCOOxA1zDNOAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:01.869046Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.00627","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b03570478c5c61b727d9d43ae68c6517024ce16c8e0e4f9c6233c30c556106d","sha256:9e213487e81472804d46cb6de3261d318c9423b3b22179fdd9bb62dc0c1f66f9"],"state_sha256":"09096fd12c2df5b99523d2a08f821338f1a7bccac281e4dbde2ffd802cb6e3dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m/IsBo1d3iAt+sqrJj5r9ZXN1kdfrh0805ASWxS6Z9RDZHGCITBZa0UNEYdRWjbJnHPLUd9dxj/0FE+geZSmCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T22:19:43.853461Z","bundle_sha256":"97fa5befcf83aec758489658ad404d058de1fa341621056cf24d3d099a4a7242"}}