{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:L7ZUF5RB2L5NKPLDCZMGOAXXAJ","short_pith_number":"pith:L7ZUF5RB","canonical_record":{"source":{"id":"2307.02939","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-06T12:08:18Z","cross_cats_sorted":[],"title_canon_sha256":"8c518ffce3bc5e2370cac2e1d1e8017fd0f46900a783bb6664e2b59ae74407dc","abstract_canon_sha256":"5e8016ba5019857d5fb4653220de6ad2fff4ec5bb56fcc5762a2bacf1ccfcdfa"},"schema_version":"1.0"},"canonical_sha256":"5ff342f621d2fad53d6316586702f702532778418d6b757d34d362ced0415507","source":{"kind":"arxiv","id":"2307.02939","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.02939","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"arxiv_version","alias_value":"2307.02939v2","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.02939","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"pith_short_12","alias_value":"L7ZUF5RB2L5N","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"pith_short_16","alias_value":"L7ZUF5RB2L5NKPLD","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"pith_short_8","alias_value":"L7ZUF5RB","created_at":"2026-07-05T07:33:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:L7ZUF5RB2L5NKPLDCZMGOAXXAJ","target":"record","payload":{"canonical_record":{"source":{"id":"2307.02939","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-06T12:08:18Z","cross_cats_sorted":[],"title_canon_sha256":"8c518ffce3bc5e2370cac2e1d1e8017fd0f46900a783bb6664e2b59ae74407dc","abstract_canon_sha256":"5e8016ba5019857d5fb4653220de6ad2fff4ec5bb56fcc5762a2bacf1ccfcdfa"},"schema_version":"1.0"},"canonical_sha256":"5ff342f621d2fad53d6316586702f702532778418d6b757d34d362ced0415507","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:33:17.753699Z","signature_b64":"VsQOPa/Ra3pmKNcMyGA7nUyZAk406wAnmncECNaAK3TyVtSe1TyGbn9EBtyzu/g4KW+466+l0FmG4J2Z6WlqAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ff342f621d2fad53d6316586702f702532778418d6b757d34d362ced0415507","last_reissued_at":"2026-07-05T07:33:17.753171Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:33:17.753171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.02939","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":"2026-07-05T07:33:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"86AwteKGUOGxCbtyOyYSm/5Y5lvAIZLJwPhH1sV8te9PzFzopBkiy09bi5avpMfuTjIMWSb1X1ZAT3ky+EHyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T19:28:23.223430Z"},"content_sha256":"28c30c6fad0e44929dafd0b1fc8a6c87af75f2d59cccee3de51c3846e4b77f73","schema_version":"1.0","event_id":"sha256:28c30c6fad0e44929dafd0b1fc8a6c87af75f2d59cccee3de51c3846e4b77f73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:L7ZUF5RB2L5NKPLDCZMGOAXXAJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proof of principle for template synthesis approach for the radio emission from vertical extensive air showers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"David Butler, Mitja Desmet, Olaf Scholten, Ralph Engel, Stijn Buitink, Tim Huege","submitted_at":"2023-07-06T12:08:18Z","abstract_excerpt":"The radio detection technique of cosmic ray air showers has gained renewed interest in the last two decades. While the radio experiments are very cost-effective to deploy, the Monte-Carlo simulations required to analyse the data are computationally expensive. Here we present a proof of concept for a novel way to synthesise the radio emission from extensive air showers in simulations. It is a hybrid approach which uses a single microscopic Monte-Carlo simulation, called the origin shower, to generate the radio emission from a target shower with a different longitudinal evolution, primary partic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.02939","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/2307.02939/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":"2026-07-05T07:33:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K9DRrgN/GGac6ERHRI8eGkDOnYNJbXTlbNJFKrLqvRiM1qzV2cE5Fiw4Ri1dgc27BjVuSmbtIgK4Qobl6tbEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T19:28:23.224015Z"},"content_sha256":"574d8e08b2e49b680696a7143f9750d17e9eac9d4ae043539f25ad59e62a4850","schema_version":"1.0","event_id":"sha256:574d8e08b2e49b680696a7143f9750d17e9eac9d4ae043539f25ad59e62a4850"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L7ZUF5RB2L5NKPLDCZMGOAXXAJ/bundle.json","state_url":"https://pith.science/pith/L7ZUF5RB2L5NKPLDCZMGOAXXAJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L7ZUF5RB2L5NKPLDCZMGOAXXAJ/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":"2026-08-20T19:28:23Z","links":{"resolver":"https://pith.science/pith/L7ZUF5RB2L5NKPLDCZMGOAXXAJ","bundle":"https://pith.science/pith/L7ZUF5RB2L5NKPLDCZMGOAXXAJ/bundle.json","state":"https://pith.science/pith/L7ZUF5RB2L5NKPLDCZMGOAXXAJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L7ZUF5RB2L5NKPLDCZMGOAXXAJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:L7ZUF5RB2L5NKPLDCZMGOAXXAJ","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":"5e8016ba5019857d5fb4653220de6ad2fff4ec5bb56fcc5762a2bacf1ccfcdfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-06T12:08:18Z","title_canon_sha256":"8c518ffce3bc5e2370cac2e1d1e8017fd0f46900a783bb6664e2b59ae74407dc"},"schema_version":"1.0","source":{"id":"2307.02939","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.02939","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"arxiv_version","alias_value":"2307.02939v2","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.02939","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"pith_short_12","alias_value":"L7ZUF5RB2L5N","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"pith_short_16","alias_value":"L7ZUF5RB2L5NKPLD","created_at":"2026-07-05T07:33:17Z"},{"alias_kind":"pith_short_8","alias_value":"L7ZUF5RB","created_at":"2026-07-05T07:33:17Z"}],"graph_snapshots":[{"event_id":"sha256:574d8e08b2e49b680696a7143f9750d17e9eac9d4ae043539f25ad59e62a4850","target":"graph","created_at":"2026-07-05T07:33:17Z","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/2307.02939/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The radio detection technique of cosmic ray air showers has gained renewed interest in the last two decades. While the radio experiments are very cost-effective to deploy, the Monte-Carlo simulations required to analyse the data are computationally expensive. Here we present a proof of concept for a novel way to synthesise the radio emission from extensive air showers in simulations. It is a hybrid approach which uses a single microscopic Monte-Carlo simulation, called the origin shower, to generate the radio emission from a target shower with a different longitudinal evolution, primary partic","authors_text":"David Butler, Mitja Desmet, Olaf Scholten, Ralph Engel, Stijn Buitink, Tim Huege","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-06T12:08:18Z","title":"Proof of principle for template synthesis approach for the radio emission from vertical extensive air showers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.02939","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":"sha256:28c30c6fad0e44929dafd0b1fc8a6c87af75f2d59cccee3de51c3846e4b77f73","target":"record","created_at":"2026-07-05T07:33:17Z","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":"5e8016ba5019857d5fb4653220de6ad2fff4ec5bb56fcc5762a2bacf1ccfcdfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-06T12:08:18Z","title_canon_sha256":"8c518ffce3bc5e2370cac2e1d1e8017fd0f46900a783bb6664e2b59ae74407dc"},"schema_version":"1.0","source":{"id":"2307.02939","kind":"arxiv","version":2}},"canonical_sha256":"5ff342f621d2fad53d6316586702f702532778418d6b757d34d362ced0415507","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ff342f621d2fad53d6316586702f702532778418d6b757d34d362ced0415507","first_computed_at":"2026-07-05T07:33:17.753171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:33:17.753171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VsQOPa/Ra3pmKNcMyGA7nUyZAk406wAnmncECNaAK3TyVtSe1TyGbn9EBtyzu/g4KW+466+l0FmG4J2Z6WlqAw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:33:17.753699Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.02939","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28c30c6fad0e44929dafd0b1fc8a6c87af75f2d59cccee3de51c3846e4b77f73","sha256:574d8e08b2e49b680696a7143f9750d17e9eac9d4ae043539f25ad59e62a4850"],"state_sha256":"f4df4ef28d92b3ef2c3b7036a3065c5af8441cd75af38466f09a11389b187ea9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MB6DlIF+uESeZzlXkYKNIGDwOSi+RzuKJCqsZvc3vgcwvFQIoQJFTuFLTlKjHI84ysM+VNczvyBBzbdjKZCwDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T19:28:23.229149Z","bundle_sha256":"2c050bdbe45b33610c84b39c68c73019faa9f1bb3da7b698998336a3411b5f17"}}