{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:WYK2XCKNGX6S6NKTNREBCXC45S","short_pith_number":"pith:WYK2XCKN","canonical_record":{"source":{"id":"1905.04188","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-10T14:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"9535040215611f07513fba1d35bbd7a4815c90c1d1a0ccab39c50a6928297842","abstract_canon_sha256":"042f71118e0ffe87c953aa651c00bb212fad64be686da8c315b533df46b776df"},"schema_version":"1.0"},"canonical_sha256":"b615ab894d35fd2f35536c48115c5cecb99fd961b7b3c84d69707516a40cbedf","source":{"kind":"arxiv","id":"1905.04188","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04188","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04188v1","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04188","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"pith_short_12","alias_value":"WYK2XCKNGX6S","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"pith_short_16","alias_value":"WYK2XCKNGX6S6NKT","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"pith_short_8","alias_value":"WYK2XCKN","created_at":"2026-07-05T00:03:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:WYK2XCKNGX6S6NKTNREBCXC45S","target":"record","payload":{"canonical_record":{"source":{"id":"1905.04188","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-10T14:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"9535040215611f07513fba1d35bbd7a4815c90c1d1a0ccab39c50a6928297842","abstract_canon_sha256":"042f71118e0ffe87c953aa651c00bb212fad64be686da8c315b533df46b776df"},"schema_version":"1.0"},"canonical_sha256":"b615ab894d35fd2f35536c48115c5cecb99fd961b7b3c84d69707516a40cbedf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:03:46.540773Z","signature_b64":"bRUgA9XYfKeymtEjGgrHjWHL/a6wXc/tfOVldf/aakJOTCK2zGjAKAUvNqFMwa0NCyW4/BTjH1lyQe8QLkgTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b615ab894d35fd2f35536c48115c5cecb99fd961b7b3c84d69707516a40cbedf","last_reissued_at":"2026-07-05T00:03:46.540255Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:03:46.540255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.04188","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":"2026-07-05T00:03:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K/ew25hetbO5jjZ/huxWtFdksjxR75mMYfztOH0viFMo0wETTgYrEK9kn+dxQ5GAlhqxcpcIwqhT3dm7ZsKmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:02:15.876792Z"},"content_sha256":"d4abb2885e7748a2612c0d8ff30fb2b14cf2f9abb1ce531809bffdd533d37948","schema_version":"1.0","event_id":"sha256:d4abb2885e7748a2612c0d8ff30fb2b14cf2f9abb1ce531809bffdd533d37948"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:WYK2XCKNGX6S6NKTNREBCXC45S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Covering the celestial sphere at ultra-high energies","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Di Matteo, D. Harari, D. Ivanov, D. Mockler, H. Sagawa, I. Tkachev, J. Biteau, J. P. Lundquist, K. Kawata, L. Caccianiga, O. Deligny, P. Tinyakov, R. Menezes de Almeida, S. Troitsky (the Pierre Auger, T. Bister, Telescope Array Collaborations), T. Fujii, T. Nonaka","submitted_at":"2019-05-10T14:17:02Z","abstract_excerpt":"Despite deflections by Galactic and extragalactic magnetic fields, the distribution of ultra-high energy cosmic rays (UHECRs) over the celestial sphere remains a most promising observable for the identification of their sources. Thanks to a large number of detected events over the past years, a large-scale anisotropy at energies above 8 EeV has been identified, and there are also indications from the Telescope Array and Pierre Auger Collaborations of deviations from isotropy at intermediate angular scales (about 20 degrees) at the highest energies. In this contribution, we map the flux of UHEC"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04188","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/1905.04188/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:03:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iJcyJ36lOS9VZSvLF+J5C+nYmCflpcAmsXs6RiZh3bH9N96HVx5l0sztzGJvdLkum0NSqvk+cOaEnqv916UmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:02:15.877284Z"},"content_sha256":"f31854a313653c77de5b16f964bae4d3d0b1b6f881d255a3629e7a5c93ad9b98","schema_version":"1.0","event_id":"sha256:f31854a313653c77de5b16f964bae4d3d0b1b6f881d255a3629e7a5c93ad9b98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WYK2XCKNGX6S6NKTNREBCXC45S/bundle.json","state_url":"https://pith.science/pith/WYK2XCKNGX6S6NKTNREBCXC45S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WYK2XCKNGX6S6NKTNREBCXC45S/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":"2026-08-04T20:02:15Z","links":{"resolver":"https://pith.science/pith/WYK2XCKNGX6S6NKTNREBCXC45S","bundle":"https://pith.science/pith/WYK2XCKNGX6S6NKTNREBCXC45S/bundle.json","state":"https://pith.science/pith/WYK2XCKNGX6S6NKTNREBCXC45S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WYK2XCKNGX6S6NKTNREBCXC45S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WYK2XCKNGX6S6NKTNREBCXC45S","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":"042f71118e0ffe87c953aa651c00bb212fad64be686da8c315b533df46b776df","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-10T14:17:02Z","title_canon_sha256":"9535040215611f07513fba1d35bbd7a4815c90c1d1a0ccab39c50a6928297842"},"schema_version":"1.0","source":{"id":"1905.04188","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04188","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04188v1","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04188","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"pith_short_12","alias_value":"WYK2XCKNGX6S","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"pith_short_16","alias_value":"WYK2XCKNGX6S6NKT","created_at":"2026-07-05T00:03:46Z"},{"alias_kind":"pith_short_8","alias_value":"WYK2XCKN","created_at":"2026-07-05T00:03:46Z"}],"graph_snapshots":[{"event_id":"sha256:f31854a313653c77de5b16f964bae4d3d0b1b6f881d255a3629e7a5c93ad9b98","target":"graph","created_at":"2026-07-05T00:03:46Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1905.04188/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite deflections by Galactic and extragalactic magnetic fields, the distribution of ultra-high energy cosmic rays (UHECRs) over the celestial sphere remains a most promising observable for the identification of their sources. Thanks to a large number of detected events over the past years, a large-scale anisotropy at energies above 8 EeV has been identified, and there are also indications from the Telescope Array and Pierre Auger Collaborations of deviations from isotropy at intermediate angular scales (about 20 degrees) at the highest energies. In this contribution, we map the flux of UHEC","authors_text":"A. Di Matteo, D. Harari, D. Ivanov, D. Mockler, H. Sagawa, I. Tkachev, J. Biteau, J. P. Lundquist, K. Kawata, L. Caccianiga, O. Deligny, P. Tinyakov, R. Menezes de Almeida, S. Troitsky (the Pierre Auger, T. Bister, Telescope Array Collaborations), T. Fujii, T. Nonaka","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-10T14:17:02Z","title":"Covering the celestial sphere at ultra-high energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04188","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:d4abb2885e7748a2612c0d8ff30fb2b14cf2f9abb1ce531809bffdd533d37948","target":"record","created_at":"2026-07-05T00:03:46Z","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":"042f71118e0ffe87c953aa651c00bb212fad64be686da8c315b533df46b776df","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-10T14:17:02Z","title_canon_sha256":"9535040215611f07513fba1d35bbd7a4815c90c1d1a0ccab39c50a6928297842"},"schema_version":"1.0","source":{"id":"1905.04188","kind":"arxiv","version":1}},"canonical_sha256":"b615ab894d35fd2f35536c48115c5cecb99fd961b7b3c84d69707516a40cbedf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b615ab894d35fd2f35536c48115c5cecb99fd961b7b3c84d69707516a40cbedf","first_computed_at":"2026-07-05T00:03:46.540255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:03:46.540255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bRUgA9XYfKeymtEjGgrHjWHL/a6wXc/tfOVldf/aakJOTCK2zGjAKAUvNqFMwa0NCyW4/BTjH1lyQe8QLkgTAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:03:46.540773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.04188","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4abb2885e7748a2612c0d8ff30fb2b14cf2f9abb1ce531809bffdd533d37948","sha256:f31854a313653c77de5b16f964bae4d3d0b1b6f881d255a3629e7a5c93ad9b98"],"state_sha256":"67ec24457a882faa4262b6ca07c8fdb6d456597236afffaa1f437912a8a84391"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YKxHaMnvme2UBr4eBo8OXS5w7eQcpZtl4WMiEU5JeSSSRRZCjn0PxEyWUceUNkPKZ4fzJ/0cERiD9HNrgXh0AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:02:15.880393Z","bundle_sha256":"0425f6de26b4b4e9fc7e7ac4120268df5178b910f65ee3206569429e0cd017ce"}}