{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:ST5RMSBPK63THNDEYZVOWCT5XK","short_pith_number":"pith:ST5RMSBP","canonical_record":{"source":{"id":"0803.0554","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-04T21:51:52Z","cross_cats_sorted":[],"title_canon_sha256":"deef1b4e8b5ef929a898a19cfaecb8fe345b861adf27946214a77a784b19eac7","abstract_canon_sha256":"c070a41df7e276b792b18c8984c4a62b4bb6b87ea6045584fc0c70d4b5303943"},"schema_version":"1.0"},"canonical_sha256":"94fb16482f57b733b464c66aeb0a7dbaa9e8061150e83a8ad6d9b3730b0329d6","source":{"kind":"arxiv","id":"0803.0554","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0554","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0554v2","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0554","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"pith_short_12","alias_value":"ST5RMSBPK63T","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"pith_short_16","alias_value":"ST5RMSBPK63THNDE","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"pith_short_8","alias_value":"ST5RMSBP","created_at":"2026-07-04T17:09:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:ST5RMSBPK63THNDEYZVOWCT5XK","target":"record","payload":{"canonical_record":{"source":{"id":"0803.0554","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-04T21:51:52Z","cross_cats_sorted":[],"title_canon_sha256":"deef1b4e8b5ef929a898a19cfaecb8fe345b861adf27946214a77a784b19eac7","abstract_canon_sha256":"c070a41df7e276b792b18c8984c4a62b4bb6b87ea6045584fc0c70d4b5303943"},"schema_version":"1.0"},"canonical_sha256":"94fb16482f57b733b464c66aeb0a7dbaa9e8061150e83a8ad6d9b3730b0329d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:09:42.150029Z","signature_b64":"sO9Q9XdQVPEI1MZ8rIVm32k7kXOQXOSHmTYPxq95PMkI92Bkyl7E2uuPVoaZRUyeBHyc8yFL5zthiiSbIGuGAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94fb16482f57b733b464c66aeb0a7dbaa9e8061150e83a8ad6d9b3730b0329d6","last_reissued_at":"2026-07-04T17:09:42.149619Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:09:42.149619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0803.0554","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":"2026-07-04T17:09:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPEJb7OIwfT3tchh6KxI3KOoMyoFSkwob1F8xqgapwjQ6UDU4ix2I+o+bMa0KvVFyDy3J5NGR8e7FlWWQbjCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:41:18.428438Z"},"content_sha256":"959233bbf93de9836ded328fc17c5caf440136e094ef19c9cb9061b0406c2309","schema_version":"1.0","event_id":"sha256:959233bbf93de9836ded328fc17c5caf440136e094ef19c9cb9061b0406c2309"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:ST5RMSBPK63THNDEYZVOWCT5XK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An upper limit on the electron-neutrino flux from the HiRes detector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Biesiadecka, A. O'Neill, A. Zech, B. C. Knapp, B. F Jones, B. T. Stokes, C. A. Painter, C. B. Finley, C. Cannon, C. C. H. Jui, C. M. Hoffman, C. Song, D. Ivanov, D. R. Bergman, D. Rodriguez, D. Tupa, E. C. Loh, E. J. Mannel, G. Archbold, G. B. Thomson, G. Hughes, G. Sinnis, G. W. Burt, J. A. J. Matthews, J. D. Smith, J. F. Amann, J. Findlay, J. H. Boyer, J. N. Matthews, J. R. Thomas, J. W. Belz, K. Belov, K. Kim, K. Martens, K. Reil, L. J. Marek, L. M. Scott, L. Perera, L. R. Wiencke, M. A. Kirn, M. Allen, M. D. Roberts, M. H. Holzscheiter, M. M. Maestas, M. Sasaki, M. Seman, N. Manago, O. A. Brusova, P. Huentemeyer, P. Sokolsky, R. C. Gray, R. Riehle, R. Snow, R. U. Abbasi, R. W. Springer, S. A. Blake, S. A. Moore, S. B. Thomas, S. R. Schnetzer, S. R. Stratton, S. Y. Ben Zvi, T. Abu-Zayyad, W. Deng, W. F. Hanlon, X. Zhang, Y. Fedorova, Z. Cao","submitted_at":"2008-03-04T21:51:52Z","abstract_excerpt":"Air-fluorescence detectors such as the High Resolution Fly's Eye (HiRes) detector are very sensitive to upward-going, Earth-skimming ultrahigh energy electron-neutrino-induced showers. This is due to the relatively large interaction cross sections of these high-energy neutrinos and to the Landau-Pomeranchuk-Migdal (LPM) effect. The LPM effect causes a significant decrease in the cross sections for bremsstrahlung and pair production, allowing charged-current electron-neutrino-induced showers occurring deep in the Earth's crust to be detectable as they exit the Earth into the atmosphere. A searc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0554","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/0803.0554/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":"2026-07-04T17:09:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EOdXbLpcKx9kgAuEVUJH3LP2Jylb7P+ByjlkhXPubRP/9E8CFpD4dve2kM61EtAFdQuc7ieEvQbM1CiUp7pCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:41:18.428834Z"},"content_sha256":"099985d1568f3b1eb71431110ee276b62a0a36ad7e7007134c5277bd6d856c00","schema_version":"1.0","event_id":"sha256:099985d1568f3b1eb71431110ee276b62a0a36ad7e7007134c5277bd6d856c00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ST5RMSBPK63THNDEYZVOWCT5XK/bundle.json","state_url":"https://pith.science/pith/ST5RMSBPK63THNDEYZVOWCT5XK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ST5RMSBPK63THNDEYZVOWCT5XK/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":"2026-07-07T14:41:18Z","links":{"resolver":"https://pith.science/pith/ST5RMSBPK63THNDEYZVOWCT5XK","bundle":"https://pith.science/pith/ST5RMSBPK63THNDEYZVOWCT5XK/bundle.json","state":"https://pith.science/pith/ST5RMSBPK63THNDEYZVOWCT5XK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ST5RMSBPK63THNDEYZVOWCT5XK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:ST5RMSBPK63THNDEYZVOWCT5XK","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":"c070a41df7e276b792b18c8984c4a62b4bb6b87ea6045584fc0c70d4b5303943","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-04T21:51:52Z","title_canon_sha256":"deef1b4e8b5ef929a898a19cfaecb8fe345b861adf27946214a77a784b19eac7"},"schema_version":"1.0","source":{"id":"0803.0554","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0554","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0554v2","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0554","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"pith_short_12","alias_value":"ST5RMSBPK63T","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"pith_short_16","alias_value":"ST5RMSBPK63THNDE","created_at":"2026-07-04T17:09:42Z"},{"alias_kind":"pith_short_8","alias_value":"ST5RMSBP","created_at":"2026-07-04T17:09:42Z"}],"graph_snapshots":[{"event_id":"sha256:099985d1568f3b1eb71431110ee276b62a0a36ad7e7007134c5277bd6d856c00","target":"graph","created_at":"2026-07-04T17:09:42Z","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/0803.0554/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Air-fluorescence detectors such as the High Resolution Fly's Eye (HiRes) detector are very sensitive to upward-going, Earth-skimming ultrahigh energy electron-neutrino-induced showers. This is due to the relatively large interaction cross sections of these high-energy neutrinos and to the Landau-Pomeranchuk-Migdal (LPM) effect. The LPM effect causes a significant decrease in the cross sections for bremsstrahlung and pair production, allowing charged-current electron-neutrino-induced showers occurring deep in the Earth's crust to be detectable as they exit the Earth into the atmosphere. A searc","authors_text":"A. Biesiadecka, A. O'Neill, A. Zech, B. C. Knapp, B. F Jones, B. T. Stokes, C. A. Painter, C. B. Finley, C. Cannon, C. C. H. Jui, C. M. Hoffman, C. Song, D. Ivanov, D. R. Bergman, D. Rodriguez, D. Tupa, E. C. Loh, E. J. Mannel, G. Archbold, G. B. Thomson, G. Hughes, G. Sinnis, G. W. Burt, J. A. J. Matthews, J. D. Smith, J. F. Amann, J. Findlay, J. H. Boyer, J. N. Matthews, J. R. Thomas, J. W. Belz, K. Belov, K. Kim, K. Martens, K. Reil, L. J. Marek, L. M. Scott, L. Perera, L. R. Wiencke, M. A. Kirn, M. Allen, M. D. Roberts, M. H. Holzscheiter, M. M. Maestas, M. Sasaki, M. Seman, N. Manago, O. A. Brusova, P. Huentemeyer, P. Sokolsky, R. C. Gray, R. Riehle, R. Snow, R. U. Abbasi, R. W. Springer, S. A. Blake, S. A. Moore, S. B. Thomas, S. R. Schnetzer, S. R. Stratton, S. Y. Ben Zvi, T. Abu-Zayyad, W. Deng, W. F. Hanlon, X. Zhang, Y. Fedorova, Z. Cao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-04T21:51:52Z","title":"An upper limit on the electron-neutrino flux from the HiRes detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0554","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":"sha256:959233bbf93de9836ded328fc17c5caf440136e094ef19c9cb9061b0406c2309","target":"record","created_at":"2026-07-04T17:09:42Z","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":"c070a41df7e276b792b18c8984c4a62b4bb6b87ea6045584fc0c70d4b5303943","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-04T21:51:52Z","title_canon_sha256":"deef1b4e8b5ef929a898a19cfaecb8fe345b861adf27946214a77a784b19eac7"},"schema_version":"1.0","source":{"id":"0803.0554","kind":"arxiv","version":2}},"canonical_sha256":"94fb16482f57b733b464c66aeb0a7dbaa9e8061150e83a8ad6d9b3730b0329d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"94fb16482f57b733b464c66aeb0a7dbaa9e8061150e83a8ad6d9b3730b0329d6","first_computed_at":"2026-07-04T17:09:42.149619Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:09:42.149619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sO9Q9XdQVPEI1MZ8rIVm32k7kXOQXOSHmTYPxq95PMkI92Bkyl7E2uuPVoaZRUyeBHyc8yFL5zthiiSbIGuGAg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:09:42.150029Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.0554","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:959233bbf93de9836ded328fc17c5caf440136e094ef19c9cb9061b0406c2309","sha256:099985d1568f3b1eb71431110ee276b62a0a36ad7e7007134c5277bd6d856c00"],"state_sha256":"daa6f4a146d1ded34d4ba1b32c0ef4970c28590d534aad9eeca2c46d13f18e0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oUz7VmpTG/SoCKAklpIjAwCrHuJyYUnOReECaYV/QqIirSFNkfE+8ZhZYy1n8RcMSR1hlBelzSgg1zLStZelAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:41:18.430927Z","bundle_sha256":"fa393bb9145d0736c212f98278b004d536f7b9f5d3325ff65cdef56ad618699d"}}