{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:WVP7EW53BGCKDCBZYB52X5SNXD","short_pith_number":"pith:WVP7EW53","canonical_record":{"source":{"id":"astro-ph/0012040","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-04T23:50:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"024fc8618e40ddaae056b923e2e8875b052d3eba4acf9427cd57e623c1b1ec93","abstract_canon_sha256":"138041c6e3bf9ebc10f92650f8b24c082cffb5390a7a808ee0b87e7777504cf2"},"schema_version":"1.0"},"canonical_sha256":"b55ff25bbb0984a18839c07babf64db8ed0e5dbb2e51190b8d9a0c16284412ac","source":{"kind":"arxiv","id":"astro-ph/0012040","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0012040","created_at":"2026-05-18T02:40:36Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0012040v2","created_at":"2026-05-18T02:40:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0012040","created_at":"2026-05-18T02:40:36Z"},{"alias_kind":"pith_short_12","alias_value":"WVP7EW53BGCK","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"WVP7EW53BGCKDCBZ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"WVP7EW53","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:WVP7EW53BGCKDCBZYB52X5SNXD","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0012040","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-04T23:50:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"024fc8618e40ddaae056b923e2e8875b052d3eba4acf9427cd57e623c1b1ec93","abstract_canon_sha256":"138041c6e3bf9ebc10f92650f8b24c082cffb5390a7a808ee0b87e7777504cf2"},"schema_version":"1.0"},"canonical_sha256":"b55ff25bbb0984a18839c07babf64db8ed0e5dbb2e51190b8d9a0c16284412ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:36.584565Z","signature_b64":"lKdNa+9b9kMzyoEfBrrPAHxKW+V0t26CxnOKwl62BSVISZpdtT+H00t0ztwqrJwiwpmxkRw46P+nL6QydfnTCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b55ff25bbb0984a18839c07babf64db8ed0e5dbb2e51190b8d9a0c16284412ac","last_reissued_at":"2026-05-18T02:40:36.583955Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:36.583955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0012040","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":"2026-05-18T02:40:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ek3lgE6k7m1MnsFVC4FvuhfDhabdjGVFaQB6qMjI/oJD63tAZGdW5kLbIqgJuRBuoG7nWEL+KO9OIibpj0EGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T18:09:26.403299Z"},"content_sha256":"be7010d5a5b00a19f64918963200d8dfdfae23388ef198b701e22bb4589b9009","schema_version":"1.0","event_id":"sha256:be7010d5a5b00a19f64918963200d8dfdfae23388ef198b701e22bb4589b9009"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:WVP7EW53BGCKDCBZYB52X5SNXD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Possible galactic sources of ultrahigh-energy cosmic rays and a strategy for their detection via gravitational lensing","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Alexander Kusenko, Vadim A. Kuzmin","submitted_at":"2000-12-04T23:50:20Z","abstract_excerpt":"If decays of superheavy relic particles in the galactic halo are responsible for ultrahigh-energy cosmic rays, these particles must be clustered to account for small-scale anisotropy in the AGASA data. We show that the masses of such clusters are large enough for them to gravitationally lens stars and galaxies in the background. We propose a general strategy that can be used to detect such clusters via gravitational lensing, or to rule out the hypothesis of decaying relic particles as the origin of highest-energy cosmic rays."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0012040","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":""},"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":"2026-05-18T02:40:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7TVm/Q9QRszo6qMN8a2uoDjFUm9Sey2QNAo0R+a+F5sdO9FPk1MiaMXm/PBP0HGg7A5dkGJUeNik6NxCFiKJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T18:09:26.404037Z"},"content_sha256":"502ada6b9c9a8e533c2b57dac66ad5618581eb11f106f435be0dd87b46713972","schema_version":"1.0","event_id":"sha256:502ada6b9c9a8e533c2b57dac66ad5618581eb11f106f435be0dd87b46713972"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WVP7EW53BGCKDCBZYB52X5SNXD/bundle.json","state_url":"https://pith.science/pith/WVP7EW53BGCKDCBZYB52X5SNXD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WVP7EW53BGCKDCBZYB52X5SNXD/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":"2026-06-09T18:09:26Z","links":{"resolver":"https://pith.science/pith/WVP7EW53BGCKDCBZYB52X5SNXD","bundle":"https://pith.science/pith/WVP7EW53BGCKDCBZYB52X5SNXD/bundle.json","state":"https://pith.science/pith/WVP7EW53BGCKDCBZYB52X5SNXD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WVP7EW53BGCKDCBZYB52X5SNXD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:WVP7EW53BGCKDCBZYB52X5SNXD","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":"138041c6e3bf9ebc10f92650f8b24c082cffb5390a7a808ee0b87e7777504cf2","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-04T23:50:20Z","title_canon_sha256":"024fc8618e40ddaae056b923e2e8875b052d3eba4acf9427cd57e623c1b1ec93"},"schema_version":"1.0","source":{"id":"astro-ph/0012040","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0012040","created_at":"2026-05-18T02:40:36Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0012040v2","created_at":"2026-05-18T02:40:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0012040","created_at":"2026-05-18T02:40:36Z"},{"alias_kind":"pith_short_12","alias_value":"WVP7EW53BGCK","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"WVP7EW53BGCKDCBZ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"WVP7EW53","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:502ada6b9c9a8e533c2b57dac66ad5618581eb11f106f435be0dd87b46713972","target":"graph","created_at":"2026-05-18T02:40:36Z","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":"If decays of superheavy relic particles in the galactic halo are responsible for ultrahigh-energy cosmic rays, these particles must be clustered to account for small-scale anisotropy in the AGASA data. We show that the masses of such clusters are large enough for them to gravitationally lens stars and galaxies in the background. We propose a general strategy that can be used to detect such clusters via gravitational lensing, or to rule out the hypothesis of decaying relic particles as the origin of highest-energy cosmic rays.","authors_text":"Alexander Kusenko, Vadim A. Kuzmin","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-12-04T23:50:20Z","title":"Possible galactic sources of ultrahigh-energy cosmic rays and a strategy for their detection via gravitational lensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0012040","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:be7010d5a5b00a19f64918963200d8dfdfae23388ef198b701e22bb4589b9009","target":"record","created_at":"2026-05-18T02:40:36Z","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":"138041c6e3bf9ebc10f92650f8b24c082cffb5390a7a808ee0b87e7777504cf2","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-04T23:50:20Z","title_canon_sha256":"024fc8618e40ddaae056b923e2e8875b052d3eba4acf9427cd57e623c1b1ec93"},"schema_version":"1.0","source":{"id":"astro-ph/0012040","kind":"arxiv","version":2}},"canonical_sha256":"b55ff25bbb0984a18839c07babf64db8ed0e5dbb2e51190b8d9a0c16284412ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b55ff25bbb0984a18839c07babf64db8ed0e5dbb2e51190b8d9a0c16284412ac","first_computed_at":"2026-05-18T02:40:36.583955Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:36.583955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lKdNa+9b9kMzyoEfBrrPAHxKW+V0t26CxnOKwl62BSVISZpdtT+H00t0ztwqrJwiwpmxkRw46P+nL6QydfnTCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:36.584565Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0012040","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be7010d5a5b00a19f64918963200d8dfdfae23388ef198b701e22bb4589b9009","sha256:502ada6b9c9a8e533c2b57dac66ad5618581eb11f106f435be0dd87b46713972"],"state_sha256":"53ed31fff4d39cfb74f53aa39bb9766e213823bcab35c7cf75fe8758bbbd283b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j+Cd91ECC/EjRtpACiMQyw+7Zwz0CCR3qOPYuR6yoDKN3P1THLdDz6fnHnThTRIcLrKNHXLa5O494D6+c9XUAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T18:09:26.408145Z","bundle_sha256":"31d6b96078da9c5a439fd218eff9350bb386a4cf34e4fb3accdbe45168924802"}}