{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:IJUEY34YPQOPLMAEDNEEJ3F7XA","short_pith_number":"pith:IJUEY34Y","canonical_record":{"source":{"id":"2208.12274","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-08-25T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"e7ba8dc50a15c240f3305f9c8113f4405fb3beef34cc10cb29b9b34643c31f6d","abstract_canon_sha256":"44222313b7dd071c4e2e2dfb4f490aa558a4f9c0808c711861c899744327b623"},"schema_version":"1.0"},"canonical_sha256":"42684c6f987c1cf5b0041b4844ecbfb800f0783506fb2c5c0add028c7b992ddb","source":{"kind":"arxiv","id":"2208.12274","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.12274","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"arxiv_version","alias_value":"2208.12274v2","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.12274","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"pith_short_12","alias_value":"IJUEY34YPQOP","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"pith_short_16","alias_value":"IJUEY34YPQOPLMAE","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"pith_short_8","alias_value":"IJUEY34Y","created_at":"2026-07-05T06:41:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:IJUEY34YPQOPLMAEDNEEJ3F7XA","target":"record","payload":{"canonical_record":{"source":{"id":"2208.12274","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-08-25T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"e7ba8dc50a15c240f3305f9c8113f4405fb3beef34cc10cb29b9b34643c31f6d","abstract_canon_sha256":"44222313b7dd071c4e2e2dfb4f490aa558a4f9c0808c711861c899744327b623"},"schema_version":"1.0"},"canonical_sha256":"42684c6f987c1cf5b0041b4844ecbfb800f0783506fb2c5c0add028c7b992ddb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:41:02.882208Z","signature_b64":"qwDVwa3j4tGCQxda1KSCsHrUBwmLwOQfVRuaruXFmpXr5XkPUtm7/8BsWryzZ5S4drhAKEa6Zw8akxvZXK5sDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42684c6f987c1cf5b0041b4844ecbfb800f0783506fb2c5c0add028c7b992ddb","last_reissued_at":"2026-07-05T06:41:02.881777Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:41:02.881777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.12274","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:41:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P0/1UG/5g4r1fQaejTEbYNfxKCYTqqJ5vR4b7xk809vTH+2RSyvEhVLWoc+Y7rTGhXU9vChj041/hJ9n+yYdCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:28:55.004081Z"},"content_sha256":"5e70bbc1b04ec6a3f069cafb78f04022a7779a9b7d5aa1afbf7949daaad9a589","schema_version":"1.0","event_id":"sha256:5e70bbc1b04ec6a3f069cafb78f04022a7779a9b7d5aa1afbf7949daaad9a589"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:IJUEY34YPQOPLMAEDNEEJ3F7XA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Differences Between the Pierre Auger Observatory and Telescope Array Spectra: Systematic Effects or Indication of a Local Source 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":"Arjen van Vliet, Pavlo Plotko, Walter Winter, Xavier Rodrigues","submitted_at":"2022-08-25T18:00:01Z","abstract_excerpt":"The Pierre Auger Observatory (PAO) and Telescope Array (TA) collaborations report significant differences in the observed energy spectra of ultra-high-energy cosmic rays (UHECRs) above 30~EeV. In this work we present a joint fit of TA and PAO data using the rigidity-dependent maximum energy model, including a full marginalization over all relevant parameters. We test two possible scenarios to explain these differences. One is that they are due to complex energy-dependent experimental systematics; the other is the presence of a local astrophysical source in the Northern Hemisphere, which is onl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.12274","kind":"arxiv","version":2},"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/2208.12274/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":"2026-07-05T06:41:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qWLiMNjb9bX08sbhVUVZ3P6wUQoPckLiUSkGJMHh8EpnskmdACxwrOdrrCGxhj1YpRfbKweCKRho9o4J6xMMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:28:55.004470Z"},"content_sha256":"eebaa630ec2e451ee1c9a69e5e09aef7d66267642ff9204344906364038eaf53","schema_version":"1.0","event_id":"sha256:eebaa630ec2e451ee1c9a69e5e09aef7d66267642ff9204344906364038eaf53"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IJUEY34YPQOPLMAEDNEEJ3F7XA/bundle.json","state_url":"https://pith.science/pith/IJUEY34YPQOPLMAEDNEEJ3F7XA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IJUEY34YPQOPLMAEDNEEJ3F7XA/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":"2026-07-07T12:28:55Z","links":{"resolver":"https://pith.science/pith/IJUEY34YPQOPLMAEDNEEJ3F7XA","bundle":"https://pith.science/pith/IJUEY34YPQOPLMAEDNEEJ3F7XA/bundle.json","state":"https://pith.science/pith/IJUEY34YPQOPLMAEDNEEJ3F7XA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IJUEY34YPQOPLMAEDNEEJ3F7XA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:IJUEY34YPQOPLMAEDNEEJ3F7XA","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":"44222313b7dd071c4e2e2dfb4f490aa558a4f9c0808c711861c899744327b623","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-08-25T18:00:01Z","title_canon_sha256":"e7ba8dc50a15c240f3305f9c8113f4405fb3beef34cc10cb29b9b34643c31f6d"},"schema_version":"1.0","source":{"id":"2208.12274","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.12274","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"arxiv_version","alias_value":"2208.12274v2","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.12274","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"pith_short_12","alias_value":"IJUEY34YPQOP","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"pith_short_16","alias_value":"IJUEY34YPQOPLMAE","created_at":"2026-07-05T06:41:02Z"},{"alias_kind":"pith_short_8","alias_value":"IJUEY34Y","created_at":"2026-07-05T06:41:02Z"}],"graph_snapshots":[{"event_id":"sha256:eebaa630ec2e451ee1c9a69e5e09aef7d66267642ff9204344906364038eaf53","target":"graph","created_at":"2026-07-05T06:41:02Z","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/2208.12274/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Pierre Auger Observatory (PAO) and Telescope Array (TA) collaborations report significant differences in the observed energy spectra of ultra-high-energy cosmic rays (UHECRs) above 30~EeV. In this work we present a joint fit of TA and PAO data using the rigidity-dependent maximum energy model, including a full marginalization over all relevant parameters. We test two possible scenarios to explain these differences. One is that they are due to complex energy-dependent experimental systematics; the other is the presence of a local astrophysical source in the Northern Hemisphere, which is onl","authors_text":"Arjen van Vliet, Pavlo Plotko, Walter Winter, Xavier Rodrigues","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-08-25T18:00:01Z","title":"Differences Between the Pierre Auger Observatory and Telescope Array Spectra: Systematic Effects or Indication of a Local Source of Ultra-High-Energy Cosmic Rays?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.12274","kind":"arxiv","version":2},"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":"sha256:5e70bbc1b04ec6a3f069cafb78f04022a7779a9b7d5aa1afbf7949daaad9a589","target":"record","created_at":"2026-07-05T06:41:02Z","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":"44222313b7dd071c4e2e2dfb4f490aa558a4f9c0808c711861c899744327b623","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-08-25T18:00:01Z","title_canon_sha256":"e7ba8dc50a15c240f3305f9c8113f4405fb3beef34cc10cb29b9b34643c31f6d"},"schema_version":"1.0","source":{"id":"2208.12274","kind":"arxiv","version":2}},"canonical_sha256":"42684c6f987c1cf5b0041b4844ecbfb800f0783506fb2c5c0add028c7b992ddb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42684c6f987c1cf5b0041b4844ecbfb800f0783506fb2c5c0add028c7b992ddb","first_computed_at":"2026-07-05T06:41:02.881777Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:41:02.881777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qwDVwa3j4tGCQxda1KSCsHrUBwmLwOQfVRuaruXFmpXr5XkPUtm7/8BsWryzZ5S4drhAKEa6Zw8akxvZXK5sDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:41:02.882208Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.12274","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e70bbc1b04ec6a3f069cafb78f04022a7779a9b7d5aa1afbf7949daaad9a589","sha256:eebaa630ec2e451ee1c9a69e5e09aef7d66267642ff9204344906364038eaf53"],"state_sha256":"0116b52c7ce39ad12464436e00f9e53c01c159ad6cf773b3514dd95385b746f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GRRRfzPiQx5CP1Usa3XkXS2dVJi+15X6ZrTC8Gy9T+2m2vgTsCeXeddLE0uHHqkXnHQptMDDl/iuuDzYfEsJDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:28:55.006468Z","bundle_sha256":"fd58ae5c2ea6b01a654c0fd911c3ead6ec695128246790daf90d4ac468c25241"}}