{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4EJMCZ2U7R6VRCICBUQ5KUTWDX","short_pith_number":"pith:4EJMCZ2U","canonical_record":{"source":{"id":"1407.5671","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-21T21:23:12Z","cross_cats_sorted":[],"title_canon_sha256":"531739f1d703c5e2a68e37d2baf9e18512ad3c484401c1323fcf60e4163c2a35","abstract_canon_sha256":"c66d7697df96f83b7e5018a035a5f3eb639ae833e88c489971fee6ed9099d9dc"},"schema_version":"1.0"},"canonical_sha256":"e112c16754fc7d5889020d21d552761def06f0dc8c95fec877ec053be4f1594c","source":{"kind":"arxiv","id":"1407.5671","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5671","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5671v1","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5671","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"4EJMCZ2U7R6V","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4EJMCZ2U7R6VRCIC","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4EJMCZ2U","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4EJMCZ2U7R6VRCICBUQ5KUTWDX","target":"record","payload":{"canonical_record":{"source":{"id":"1407.5671","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-21T21:23:12Z","cross_cats_sorted":[],"title_canon_sha256":"531739f1d703c5e2a68e37d2baf9e18512ad3c484401c1323fcf60e4163c2a35","abstract_canon_sha256":"c66d7697df96f83b7e5018a035a5f3eb639ae833e88c489971fee6ed9099d9dc"},"schema_version":"1.0"},"canonical_sha256":"e112c16754fc7d5889020d21d552761def06f0dc8c95fec877ec053be4f1594c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:33.349001Z","signature_b64":"lgHiyrTrZJeE8RfvPrA0qDV6+1R/ISz8eDXvCmaqwGxoSfqdGXPKAqyJhEFTyGJOz0hskP9M+ODFwhu1+SIkCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e112c16754fc7d5889020d21d552761def06f0dc8c95fec877ec053be4f1594c","last_reissued_at":"2026-05-18T01:42:33.348560Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:33.348560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.5671","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZler3DNPHHIbUvJMQPOl39Nlr0SlJR6i7VkHOON7NHQ9DNr9d3mHuGdjkNrVaU3zIOudd09JdVUws7ndP0QAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T17:25:13.758100Z"},"content_sha256":"ad463341520da421717889fb7ed1c61d6229b5ce6bedbe148b7b789502e0fe7c","schema_version":"1.0","event_id":"sha256:ad463341520da421717889fb7ed1c61d6229b5ce6bedbe148b7b789502e0fe7c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4EJMCZ2U7R6VRCICBUQ5KUTWDX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra-high Energy Cosmic Rays and Neutrinos from Gamma-Ray Bursts, Hypernovae and Galactic Shocks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"P. M\\'esz\\'aros","submitted_at":"2014-07-21T21:23:12Z","abstract_excerpt":"I review gamma-ray burst models (GRBs) and observations, and discuss the possible production of ultra-high energy cosmic rays and neutrinos in both the standard internal shock models and the newer generation of photospheric and hadronic GRB models, in the light of current constraints imposed by IceCube, Auger and TA observations. I then discuss models that have been proposed to explain the recent astrophysical PeV neutrino observations, including star-forming and star-burst galaxies, hypernovae and galaxy accretion and merger shocks."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5671","kind":"arxiv","version":1},"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":"2026-05-18T01:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QVlQSRauDuTYGC5sSY6hHbmIZJPAMo+kGEEtfZkFVvvxBdV0m6nkNC4HPCjeXsYaGSYj7o3TwZtoDbHNtSrjAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T17:25:13.758740Z"},"content_sha256":"0aef4eb7eba286e720c6c13367f7a5df008dd03d0a2513317509586367e4de4b","schema_version":"1.0","event_id":"sha256:0aef4eb7eba286e720c6c13367f7a5df008dd03d0a2513317509586367e4de4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4EJMCZ2U7R6VRCICBUQ5KUTWDX/bundle.json","state_url":"https://pith.science/pith/4EJMCZ2U7R6VRCICBUQ5KUTWDX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4EJMCZ2U7R6VRCICBUQ5KUTWDX/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":"2026-05-18T17:25:13Z","links":{"resolver":"https://pith.science/pith/4EJMCZ2U7R6VRCICBUQ5KUTWDX","bundle":"https://pith.science/pith/4EJMCZ2U7R6VRCICBUQ5KUTWDX/bundle.json","state":"https://pith.science/pith/4EJMCZ2U7R6VRCICBUQ5KUTWDX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4EJMCZ2U7R6VRCICBUQ5KUTWDX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4EJMCZ2U7R6VRCICBUQ5KUTWDX","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":"c66d7697df96f83b7e5018a035a5f3eb639ae833e88c489971fee6ed9099d9dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-21T21:23:12Z","title_canon_sha256":"531739f1d703c5e2a68e37d2baf9e18512ad3c484401c1323fcf60e4163c2a35"},"schema_version":"1.0","source":{"id":"1407.5671","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5671","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5671v1","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5671","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"4EJMCZ2U7R6V","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4EJMCZ2U7R6VRCIC","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4EJMCZ2U","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:0aef4eb7eba286e720c6c13367f7a5df008dd03d0a2513317509586367e4de4b","target":"graph","created_at":"2026-05-18T01:42:33Z","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":"I review gamma-ray burst models (GRBs) and observations, and discuss the possible production of ultra-high energy cosmic rays and neutrinos in both the standard internal shock models and the newer generation of photospheric and hadronic GRB models, in the light of current constraints imposed by IceCube, Auger and TA observations. I then discuss models that have been proposed to explain the recent astrophysical PeV neutrino observations, including star-forming and star-burst galaxies, hypernovae and galaxy accretion and merger shocks.","authors_text":"P. M\\'esz\\'aros","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-21T21:23:12Z","title":"Ultra-high Energy Cosmic Rays and Neutrinos from Gamma-Ray Bursts, Hypernovae and Galactic Shocks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5671","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:ad463341520da421717889fb7ed1c61d6229b5ce6bedbe148b7b789502e0fe7c","target":"record","created_at":"2026-05-18T01:42:33Z","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":"c66d7697df96f83b7e5018a035a5f3eb639ae833e88c489971fee6ed9099d9dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-21T21:23:12Z","title_canon_sha256":"531739f1d703c5e2a68e37d2baf9e18512ad3c484401c1323fcf60e4163c2a35"},"schema_version":"1.0","source":{"id":"1407.5671","kind":"arxiv","version":1}},"canonical_sha256":"e112c16754fc7d5889020d21d552761def06f0dc8c95fec877ec053be4f1594c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e112c16754fc7d5889020d21d552761def06f0dc8c95fec877ec053be4f1594c","first_computed_at":"2026-05-18T01:42:33.348560Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:33.348560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lgHiyrTrZJeE8RfvPrA0qDV6+1R/ISz8eDXvCmaqwGxoSfqdGXPKAqyJhEFTyGJOz0hskP9M+ODFwhu1+SIkCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:33.349001Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.5671","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad463341520da421717889fb7ed1c61d6229b5ce6bedbe148b7b789502e0fe7c","sha256:0aef4eb7eba286e720c6c13367f7a5df008dd03d0a2513317509586367e4de4b"],"state_sha256":"96314f455dcdfeff10977093464282e6fbe0be941d52f49e4e782a3e57272632"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gf38S7C8W3h/YTR2ZWmxqXLOVwGuDDqbm/5/Hpzd6VCUhzG2UELJBqGffOjsAaj0TxfhQy2f4W5s3bcEAvV5Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T17:25:13.760680Z","bundle_sha256":"7ce96d0a454010088640bcac95d632ee82de9b1d96780b248848dd2d904b4aac"}}