{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:OSJBYXWEFWJHVN4RSXLY45NQ2V","short_pith_number":"pith:OSJBYXWE","canonical_record":{"source":{"id":"1908.07582","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-20T19:37:16Z","cross_cats_sorted":[],"title_canon_sha256":"55464d7431c20b35c9fa6751ef9d8471c487356377750598ff37d447ced47048","abstract_canon_sha256":"a8bf93a3264c864eb8d1691319957192e54d2093e62f96f4a90a698325a4c24c"},"schema_version":"1.0"},"canonical_sha256":"74921c5ec42d927ab79195d78e75b0d569db5044c984bf053a5969b0c1bbc767","source":{"kind":"arxiv","id":"1908.07582","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07582","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07582v1","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07582","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"pith_short_12","alias_value":"OSJBYXWEFWJH","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"pith_short_16","alias_value":"OSJBYXWEFWJHVN4R","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"pith_short_8","alias_value":"OSJBYXWE","created_at":"2026-07-04T23:58:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:OSJBYXWEFWJHVN4RSXLY45NQ2V","target":"record","payload":{"canonical_record":{"source":{"id":"1908.07582","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-20T19:37:16Z","cross_cats_sorted":[],"title_canon_sha256":"55464d7431c20b35c9fa6751ef9d8471c487356377750598ff37d447ced47048","abstract_canon_sha256":"a8bf93a3264c864eb8d1691319957192e54d2093e62f96f4a90a698325a4c24c"},"schema_version":"1.0"},"canonical_sha256":"74921c5ec42d927ab79195d78e75b0d569db5044c984bf053a5969b0c1bbc767","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:58:59.369113Z","signature_b64":"b8+y/OgmepkTJEZrPgd7UHHuj1v8CpYbEixN/rKTkZYWyvQhtgUArsckwvD1H4+lgFgay/te6OZWcgjWsnVdAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74921c5ec42d927ab79195d78e75b0d569db5044c984bf053a5969b0c1bbc767","last_reissued_at":"2026-07-04T23:58:59.368743Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:58:59.368743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.07582","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":"2026-07-04T23:58:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3AnWjxFKEmuw3YhwMw56BUwgP0qNaPYFkXPiGEl0XdOfKQKwACHswsMCWPwBbpgnmeDs1MsiTocBcqeaVWZJCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T09:58:13.494693Z"},"content_sha256":"9c78668084a2bd019cea9cc5317951371275c6e93533c6e51e00736dfcfca8c5","schema_version":"1.0","event_id":"sha256:9c78668084a2bd019cea9cc5317951371275c6e93533c6e51e00736dfcfca8c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:OSJBYXWEFWJHVN4RSXLY45NQ2V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Three-dimensional Reconstruction of Cosmic Ray Events in IceCube","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Dennis Soldin, Emily Dvorak, Javier Gonzalez (for the IceCube Collaboration), Xinhua Bai","submitted_at":"2019-08-20T19:37:16Z","abstract_excerpt":"The IceCube Neutrino Observatory at the geographic South Pole consists of two components, a km2 surface array IceTop and a km3 in-ice array between 1.5 and 2.5 km below the surface. Cosmic ray events with primary energy above a few tens of TeV may trigger both the IceTop and in-ice array and leave a three-dimensional footprint of the electromagnetic and muonic components in the extensive air shower. A new reconstruction based on the minimization of a unified likelihood function involving quantities measured by both IceTop and in-ice detectors was developed. This report describes the new recons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07582","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.07582/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":"2026-07-04T23:58:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BSuoAj2qJz8MEYl6Ih/7Qk2QsGjpwLbbzVTg25TR8KcXf2P4YyWoPvTHhbdWHEuLDxfQVitz8e/v8tFV9088Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T09:58:13.495411Z"},"content_sha256":"b72f98550f9ee51b8932e47938dfcb8d9223dc6934fa2117d77c2558c2d9ba46","schema_version":"1.0","event_id":"sha256:b72f98550f9ee51b8932e47938dfcb8d9223dc6934fa2117d77c2558c2d9ba46"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OSJBYXWEFWJHVN4RSXLY45NQ2V/bundle.json","state_url":"https://pith.science/pith/OSJBYXWEFWJHVN4RSXLY45NQ2V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OSJBYXWEFWJHVN4RSXLY45NQ2V/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":"2026-08-18T09:58:13Z","links":{"resolver":"https://pith.science/pith/OSJBYXWEFWJHVN4RSXLY45NQ2V","bundle":"https://pith.science/pith/OSJBYXWEFWJHVN4RSXLY45NQ2V/bundle.json","state":"https://pith.science/pith/OSJBYXWEFWJHVN4RSXLY45NQ2V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OSJBYXWEFWJHVN4RSXLY45NQ2V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OSJBYXWEFWJHVN4RSXLY45NQ2V","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":"a8bf93a3264c864eb8d1691319957192e54d2093e62f96f4a90a698325a4c24c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-20T19:37:16Z","title_canon_sha256":"55464d7431c20b35c9fa6751ef9d8471c487356377750598ff37d447ced47048"},"schema_version":"1.0","source":{"id":"1908.07582","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07582","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07582v1","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07582","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"pith_short_12","alias_value":"OSJBYXWEFWJH","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"pith_short_16","alias_value":"OSJBYXWEFWJHVN4R","created_at":"2026-07-04T23:58:59Z"},{"alias_kind":"pith_short_8","alias_value":"OSJBYXWE","created_at":"2026-07-04T23:58:59Z"}],"graph_snapshots":[{"event_id":"sha256:b72f98550f9ee51b8932e47938dfcb8d9223dc6934fa2117d77c2558c2d9ba46","target":"graph","created_at":"2026-07-04T23:58:59Z","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/1908.07582/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The IceCube Neutrino Observatory at the geographic South Pole consists of two components, a km2 surface array IceTop and a km3 in-ice array between 1.5 and 2.5 km below the surface. Cosmic ray events with primary energy above a few tens of TeV may trigger both the IceTop and in-ice array and leave a three-dimensional footprint of the electromagnetic and muonic components in the extensive air shower. A new reconstruction based on the minimization of a unified likelihood function involving quantities measured by both IceTop and in-ice detectors was developed. This report describes the new recons","authors_text":"Dennis Soldin, Emily Dvorak, Javier Gonzalez (for the IceCube Collaboration), Xinhua Bai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-20T19:37:16Z","title":"A Three-dimensional Reconstruction of Cosmic Ray Events in IceCube"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07582","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":"sha256:9c78668084a2bd019cea9cc5317951371275c6e93533c6e51e00736dfcfca8c5","target":"record","created_at":"2026-07-04T23:58:59Z","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":"a8bf93a3264c864eb8d1691319957192e54d2093e62f96f4a90a698325a4c24c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-20T19:37:16Z","title_canon_sha256":"55464d7431c20b35c9fa6751ef9d8471c487356377750598ff37d447ced47048"},"schema_version":"1.0","source":{"id":"1908.07582","kind":"arxiv","version":1}},"canonical_sha256":"74921c5ec42d927ab79195d78e75b0d569db5044c984bf053a5969b0c1bbc767","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74921c5ec42d927ab79195d78e75b0d569db5044c984bf053a5969b0c1bbc767","first_computed_at":"2026-07-04T23:58:59.368743Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:58:59.368743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b8+y/OgmepkTJEZrPgd7UHHuj1v8CpYbEixN/rKTkZYWyvQhtgUArsckwvD1H4+lgFgay/te6OZWcgjWsnVdAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:58:59.369113Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.07582","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c78668084a2bd019cea9cc5317951371275c6e93533c6e51e00736dfcfca8c5","sha256:b72f98550f9ee51b8932e47938dfcb8d9223dc6934fa2117d77c2558c2d9ba46"],"state_sha256":"e06333963530e36a4ef0d0976f2b80915d5c6aa3c09689456fed7071e95c8883"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hQx5NiJSJ65hYmYia0jv/gumti6PpgNu4d/SlwH586fJs6+qd5FNP8kD5Pa9M5aOE9JT4b7OGeQidEfi/lgCBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T09:58:13.500701Z","bundle_sha256":"104fc076257fdbaa55f985020d2659c56b1af60161344f1d9760ea8e144edbef"}}