{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:5GPQSLLELXF2STMNBO57VL3Y2Z","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":"60c38d805217b0aab82ed2fe2496795d2bda6560f3f827bbf5d46aa85af81545","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"hep-ph","submitted_at":"1999-10-13T06:08:08Z","title_canon_sha256":"ac939d22d6b999c7d67cc22487a1f2dd68052f770a953c04e72af28e669b2934"},"schema_version":"1.0","source":{"id":"hep-ph/9910316","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9910316","created_at":"2026-07-04T14:31:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9910316v1","created_at":"2026-07-04T14:31:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9910316","created_at":"2026-07-04T14:31:06Z"},{"alias_kind":"pith_short_12","alias_value":"5GPQSLLELXF2","created_at":"2026-07-04T14:31:06Z"},{"alias_kind":"pith_short_16","alias_value":"5GPQSLLELXF2STMN","created_at":"2026-07-04T14:31:06Z"},{"alias_kind":"pith_short_8","alias_value":"5GPQSLLE","created_at":"2026-07-04T14:31:06Z"}],"graph_snapshots":[{"event_id":"sha256:e7e6bc55506a82694426ebda9d0a7466337ecf176f1ebf8abdc7868f70d67ee1","target":"graph","created_at":"2026-07-04T14:31:06Z","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/hep-ph/9910316/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The observation of cosmic--ray events above the Greisen-Kuzmin-Zatsepin (GZK) cutoff of $\\sim 5\\times 10^{19}$ eV challenges orthodox modeling. We discuss a possible solution which uses standard hot Big Bang cosmology and Standard Model (SM) particle physics augmented only by $\\lsim $ eV neutrino masses as suggested by solar, atmospheric, and terrestrial neutrino detection. In this scheme, cosmic ray neutrinos from distant, highest-energy sources annihilate resonantly on the relic-neutrino background to produce Z-bosons. The highly-boosted ($\\gamma_Z\\sim 10^{11}$) Z's instantly decay, producin","authors_text":"Thomas J. Weiler","cross_cats":["astro-ph"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1999-10-13T06:08:08Z","title":"Relic Neutrinos, Z-Bursts, and Cosmic Rays above 10^{20} eV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9910316","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:dbdaa6a3175778e3cbc3d8867fcd0c7dd1acc647a9ebe638e4749445037a39a2","target":"record","created_at":"2026-07-04T14:31:06Z","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":"60c38d805217b0aab82ed2fe2496795d2bda6560f3f827bbf5d46aa85af81545","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"hep-ph","submitted_at":"1999-10-13T06:08:08Z","title_canon_sha256":"ac939d22d6b999c7d67cc22487a1f2dd68052f770a953c04e72af28e669b2934"},"schema_version":"1.0","source":{"id":"hep-ph/9910316","kind":"arxiv","version":1}},"canonical_sha256":"e99f092d645dcba94d8d0bbbfaaf78d64db33518329e180825f386aa94df7fcd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e99f092d645dcba94d8d0bbbfaaf78d64db33518329e180825f386aa94df7fcd","first_computed_at":"2026-07-04T14:31:06.865756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:31:06.865756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+BRN+9oh+SGBtAAzhmQ93KwtQqSOG5bBE93rRtsYCWiB0wnhG7pGrvnhFHzA0gWJOODx5hfbA0Pita9D3PK2Cw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:31:06.866145Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9910316","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbdaa6a3175778e3cbc3d8867fcd0c7dd1acc647a9ebe638e4749445037a39a2","sha256:e7e6bc55506a82694426ebda9d0a7466337ecf176f1ebf8abdc7868f70d67ee1"],"state_sha256":"caa6eb981217f86aa1b91f5cb4ce4567109d37b38991455a5a611dd95a9a51f7"}