{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:UF5DEXBVJWPBDGINTEZFXS62CC","short_pith_number":"pith:UF5DEXBV","canonical_record":{"source":{"id":"1103.4264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-03-22T13:39:54Z","cross_cats_sorted":[],"title_canon_sha256":"5d3a37869a64d2b3403557f47880533b9d78c61fbbaa3d534666882a9e8cf3af","abstract_canon_sha256":"5e8a93c4d88a49e11a78986d9791f2c3b9b17c5c68a2c3fedfc5b8f0a1e21747"},"schema_version":"1.0"},"canonical_sha256":"a17a325c354d9e11990d99325bcbda10a21d8bf68f68d7a2f58d97c47a2ebd89","source":{"kind":"arxiv","id":"1103.4264","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4264","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4264v2","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4264","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"pith_short_12","alias_value":"UF5DEXBVJWPB","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UF5DEXBVJWPBDGIN","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UF5DEXBV","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:UF5DEXBVJWPBDGINTEZFXS62CC","target":"record","payload":{"canonical_record":{"source":{"id":"1103.4264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-03-22T13:39:54Z","cross_cats_sorted":[],"title_canon_sha256":"5d3a37869a64d2b3403557f47880533b9d78c61fbbaa3d534666882a9e8cf3af","abstract_canon_sha256":"5e8a93c4d88a49e11a78986d9791f2c3b9b17c5c68a2c3fedfc5b8f0a1e21747"},"schema_version":"1.0"},"canonical_sha256":"a17a325c354d9e11990d99325bcbda10a21d8bf68f68d7a2f58d97c47a2ebd89","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:48.296653Z","signature_b64":"Wn+DzrUq6ofrPVrnbYitgYCaL4NDYaSTV/7YTvknmqSuyi11PqEmx3PNKJzqQzR8alnr9mIsFHxoKm0Is1ytBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a17a325c354d9e11990d99325bcbda10a21d8bf68f68d7a2f58d97c47a2ebd89","last_reissued_at":"2026-05-18T02:02:48.296032Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:48.296032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.4264","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":"2026-05-18T02:02:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EB49Emvu2Ym5vnXX3PwewV8ZfNNo+R4lew/SyXRZ8SEl15Ftvq5KkRNumfu7FZgeFNfoIcRYBy5oXDdJM/G+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:23:05.235809Z"},"content_sha256":"3613b55d9f3a0a66e1f0fbf0ea489e894f447423a78abe6c3f840dcf63407361","schema_version":"1.0","event_id":"sha256:3613b55d9f3a0a66e1f0fbf0ea489e894f447423a78abe6c3f840dcf63407361"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:UF5DEXBVJWPBDGINTEZFXS62CC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrino initiated cascades at mid and high altitudes in the atmosphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A.D. Supanitsky, G. Medina-Tanco","submitted_at":"2011-03-22T13:39:54Z","abstract_excerpt":"High energy neutrinos play a very important role for the understanding of the origin and propagation of ultra high energy cosmic rays (UHECR). They can be produced as a consequence of the hadronic interactions suffered by the cosmic rays in the acceleration regions, as by products of the propagation of the UHECR in the radiation background and as a main product of the decay of super heavy relic particles. A new era of very large exposure space observatories, of which the JEM-EUSO mission is a prime example, is on the horizon which opens the possibility of neutrino detection in the highest ener"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4264","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":"2026-05-18T02:02:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Epg+HW6zllszwTWr9gQZVsS93AE2hncwGE4dryiSJ4zQ5QKXp4R83FMtOknCIupUsKCY8PmodNCjRCgJpSOJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:23:05.236477Z"},"content_sha256":"957b9be955cdaf4b75e21617100af6a7495ba8e17a44e01d4d3dc94b57338556","schema_version":"1.0","event_id":"sha256:957b9be955cdaf4b75e21617100af6a7495ba8e17a44e01d4d3dc94b57338556"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UF5DEXBVJWPBDGINTEZFXS62CC/bundle.json","state_url":"https://pith.science/pith/UF5DEXBVJWPBDGINTEZFXS62CC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UF5DEXBVJWPBDGINTEZFXS62CC/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":"2026-06-06T08:23:05Z","links":{"resolver":"https://pith.science/pith/UF5DEXBVJWPBDGINTEZFXS62CC","bundle":"https://pith.science/pith/UF5DEXBVJWPBDGINTEZFXS62CC/bundle.json","state":"https://pith.science/pith/UF5DEXBVJWPBDGINTEZFXS62CC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UF5DEXBVJWPBDGINTEZFXS62CC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:UF5DEXBVJWPBDGINTEZFXS62CC","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":"5e8a93c4d88a49e11a78986d9791f2c3b9b17c5c68a2c3fedfc5b8f0a1e21747","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-03-22T13:39:54Z","title_canon_sha256":"5d3a37869a64d2b3403557f47880533b9d78c61fbbaa3d534666882a9e8cf3af"},"schema_version":"1.0","source":{"id":"1103.4264","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4264","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4264v2","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4264","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"pith_short_12","alias_value":"UF5DEXBVJWPB","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UF5DEXBVJWPBDGIN","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UF5DEXBV","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:957b9be955cdaf4b75e21617100af6a7495ba8e17a44e01d4d3dc94b57338556","target":"graph","created_at":"2026-05-18T02:02:48Z","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":"High energy neutrinos play a very important role for the understanding of the origin and propagation of ultra high energy cosmic rays (UHECR). They can be produced as a consequence of the hadronic interactions suffered by the cosmic rays in the acceleration regions, as by products of the propagation of the UHECR in the radiation background and as a main product of the decay of super heavy relic particles. A new era of very large exposure space observatories, of which the JEM-EUSO mission is a prime example, is on the horizon which opens the possibility of neutrino detection in the highest ener","authors_text":"A.D. Supanitsky, G. Medina-Tanco","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-03-22T13:39:54Z","title":"Neutrino initiated cascades at mid and high altitudes in the atmosphere"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4264","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":"sha256:3613b55d9f3a0a66e1f0fbf0ea489e894f447423a78abe6c3f840dcf63407361","target":"record","created_at":"2026-05-18T02:02:48Z","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":"5e8a93c4d88a49e11a78986d9791f2c3b9b17c5c68a2c3fedfc5b8f0a1e21747","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-03-22T13:39:54Z","title_canon_sha256":"5d3a37869a64d2b3403557f47880533b9d78c61fbbaa3d534666882a9e8cf3af"},"schema_version":"1.0","source":{"id":"1103.4264","kind":"arxiv","version":2}},"canonical_sha256":"a17a325c354d9e11990d99325bcbda10a21d8bf68f68d7a2f58d97c47a2ebd89","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a17a325c354d9e11990d99325bcbda10a21d8bf68f68d7a2f58d97c47a2ebd89","first_computed_at":"2026-05-18T02:02:48.296032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:48.296032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wn+DzrUq6ofrPVrnbYitgYCaL4NDYaSTV/7YTvknmqSuyi11PqEmx3PNKJzqQzR8alnr9mIsFHxoKm0Is1ytBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:48.296653Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.4264","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3613b55d9f3a0a66e1f0fbf0ea489e894f447423a78abe6c3f840dcf63407361","sha256:957b9be955cdaf4b75e21617100af6a7495ba8e17a44e01d4d3dc94b57338556"],"state_sha256":"65671044a02cb613b8c67195b7cae7dfd588b30002c723bd1c264bda38d492f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2h52jQBuEw3fbgpc5ftuMcZOnVTFf0DtIxNsPqu+myqBJWHm6sai49SQR4YvkM9EfmcIDGn5H+2Dc9qizMTIDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T08:23:05.239721Z","bundle_sha256":"9797a86d386d1c44532f3591893a0b072b02a5a33d2cc522fa43b7f35beeaa87"}}