{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:LJBMVLM74ORWH6YBVB5AXEHD76","short_pith_number":"pith:LJBMVLM7","canonical_record":{"source":{"id":"2112.11761","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-22T09:50:44Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"8a69873dc7c60d094d2e3a0fb09e3af5c38377969606d38f2d7107f14b60fd3d","abstract_canon_sha256":"801f1a27beb5ee1a72ba3524db962d0df1733fecf6dc0a8df5e98c789483e22c"},"schema_version":"1.0"},"canonical_sha256":"5a42caad9fe3a363fb01a87a0b90e3ffbe846bacf4c8334181ec286b4b99e1a3","source":{"kind":"arxiv","id":"2112.11761","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.11761","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"arxiv_version","alias_value":"2112.11761v1","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.11761","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"pith_short_12","alias_value":"LJBMVLM74ORW","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"pith_short_16","alias_value":"LJBMVLM74ORWH6YB","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"pith_short_8","alias_value":"LJBMVLM7","created_at":"2026-07-05T03:43:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:LJBMVLM74ORWH6YBVB5AXEHD76","target":"record","payload":{"canonical_record":{"source":{"id":"2112.11761","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-22T09:50:44Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"8a69873dc7c60d094d2e3a0fb09e3af5c38377969606d38f2d7107f14b60fd3d","abstract_canon_sha256":"801f1a27beb5ee1a72ba3524db962d0df1733fecf6dc0a8df5e98c789483e22c"},"schema_version":"1.0"},"canonical_sha256":"5a42caad9fe3a363fb01a87a0b90e3ffbe846bacf4c8334181ec286b4b99e1a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:43:11.241764Z","signature_b64":"DVwBfHUkNV5u1SOYgKvuyxxJnfQzqrhvc7OHajezQVISy2zvic03ddaXrV2zl6hCqLmUWRCy8pPj3R6s7iK2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a42caad9fe3a363fb01a87a0b90e3ffbe846bacf4c8334181ec286b4b99e1a3","last_reissued_at":"2026-07-05T03:43:11.241268Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:43:11.241268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.11761","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":"2026-07-05T03:43:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HHy+xgDzvl1YFlqco++eqeelPOPiIvCp2TTQvn7c0cLwFGi6LiYwyrwHX6MSZry21a2GG0wLCC4azb/6FkgsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:38:36.498103Z"},"content_sha256":"d021707e5f17565b0ecfed3ff57fd15f0bbb686fce1d0726a771ac1d370f0acf","schema_version":"1.0","event_id":"sha256:d021707e5f17565b0ecfed3ff57fd15f0bbb686fce1d0726a771ac1d370f0acf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:LJBMVLM74ORWH6YBVB5AXEHD76","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CORSIKA 8 -- Contributions to the 37th International Cosmic Ray Conference in Berlin Germany (ICRC 2021)","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"Alexander Sandrock, Anatoli Fedynitch, Andr\\'e Schmidt, Antonio Augusto Alves Jr, Anton Poctarev, Bernhard Spaan, David Parello, Dieter Heck, Dominik Baack, Dominik Els\\\"asser, Donglian Xu, Enrique Zas, Felix Riehn, G\\\"unter Sigl, Hannah Elfner, Hans Dembinski, Hu Fan, Jaime Alvarez-Muniz, Jan Soedingrekso, Jean-Marco Alameddine, Johan Bregeon, Johannes Albrecht, Juan Ammerman-Yebra, Karl-Heinz Kampert, Konrad Bernl\\\"ohr, Luisa Arrabito, Lukas Nellen, Marcus Bleicher, Maria Pokrandt, Mathieu Carrere, Maximilian N\\\"othe, Maximilian Reininghaus, Maximilian Sackel, Michael Schmelling, Nikolaos Karastathis, Pranav Sampathkumar, Ralf Ulrich (for the CORSIKA 8 Collaboration), Ralph Engel, Remy Prechelt, Tanguy Pierog, Tim Huege, Wolfgang Rhode","submitted_at":"2021-12-22T09:50:44Z","abstract_excerpt":"Compilation of the six contributions to the ICRC conference 2021 by the CORSIKA 8 Collaboration. The status of the project is illustrated. In particular, the secondary hadron as well as the electromagnetic cascades are being validated individually, and current results are reviewed. A novel framework for radio emission simulations is presented, which is designed given the modular nature of CORSIKA 8 to support, both, the CoREAS as well as the ZHS formalism. At the same time, first Cherenkov emission calculations are shown which are based on CORSIKA 8 coupled with a GPU Cherenkov emission code. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.11761","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/2112.11761/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":"2026-07-05T03:43:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ygQyjZCk/hXhsRKfgKRGdL29xRSaDRGewNjC8gW/R6Du25OP/KBocxfWB4FnIwBlCRcpC1Xb+CimsWelGeGjAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:38:36.498537Z"},"content_sha256":"fabe8576b22f623618d924dcd867b7f02ad6cfbe4f0603791181966e5b303f9e","schema_version":"1.0","event_id":"sha256:fabe8576b22f623618d924dcd867b7f02ad6cfbe4f0603791181966e5b303f9e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LJBMVLM74ORWH6YBVB5AXEHD76/bundle.json","state_url":"https://pith.science/pith/LJBMVLM74ORWH6YBVB5AXEHD76/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LJBMVLM74ORWH6YBVB5AXEHD76/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":"2026-07-05T15:38:36Z","links":{"resolver":"https://pith.science/pith/LJBMVLM74ORWH6YBVB5AXEHD76","bundle":"https://pith.science/pith/LJBMVLM74ORWH6YBVB5AXEHD76/bundle.json","state":"https://pith.science/pith/LJBMVLM74ORWH6YBVB5AXEHD76/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LJBMVLM74ORWH6YBVB5AXEHD76/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:LJBMVLM74ORWH6YBVB5AXEHD76","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":"801f1a27beb5ee1a72ba3524db962d0df1733fecf6dc0a8df5e98c789483e22c","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-22T09:50:44Z","title_canon_sha256":"8a69873dc7c60d094d2e3a0fb09e3af5c38377969606d38f2d7107f14b60fd3d"},"schema_version":"1.0","source":{"id":"2112.11761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.11761","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"arxiv_version","alias_value":"2112.11761v1","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.11761","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"pith_short_12","alias_value":"LJBMVLM74ORW","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"pith_short_16","alias_value":"LJBMVLM74ORWH6YB","created_at":"2026-07-05T03:43:11Z"},{"alias_kind":"pith_short_8","alias_value":"LJBMVLM7","created_at":"2026-07-05T03:43:11Z"}],"graph_snapshots":[{"event_id":"sha256:fabe8576b22f623618d924dcd867b7f02ad6cfbe4f0603791181966e5b303f9e","target":"graph","created_at":"2026-07-05T03:43:11Z","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/2112.11761/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Compilation of the six contributions to the ICRC conference 2021 by the CORSIKA 8 Collaboration. The status of the project is illustrated. In particular, the secondary hadron as well as the electromagnetic cascades are being validated individually, and current results are reviewed. A novel framework for radio emission simulations is presented, which is designed given the modular nature of CORSIKA 8 to support, both, the CoREAS as well as the ZHS formalism. At the same time, first Cherenkov emission calculations are shown which are based on CORSIKA 8 coupled with a GPU Cherenkov emission code. ","authors_text":"Alexander Sandrock, Anatoli Fedynitch, Andr\\'e Schmidt, Antonio Augusto Alves Jr, Anton Poctarev, Bernhard Spaan, David Parello, Dieter Heck, Dominik Baack, Dominik Els\\\"asser, Donglian Xu, Enrique Zas, Felix Riehn, G\\\"unter Sigl, Hannah Elfner, Hans Dembinski, Hu Fan, Jaime Alvarez-Muniz, Jan Soedingrekso, Jean-Marco Alameddine, Johan Bregeon, Johannes Albrecht, Juan Ammerman-Yebra, Karl-Heinz Kampert, Konrad Bernl\\\"ohr, Luisa Arrabito, Lukas Nellen, Marcus Bleicher, Maria Pokrandt, Mathieu Carrere, Maximilian N\\\"othe, Maximilian Reininghaus, Maximilian Sackel, Michael Schmelling, Nikolaos Karastathis, Pranav Sampathkumar, Ralf Ulrich (for the CORSIKA 8 Collaboration), Ralph Engel, Remy Prechelt, Tanguy Pierog, Tim Huege, Wolfgang Rhode","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-22T09:50:44Z","title":"CORSIKA 8 -- Contributions to the 37th International Cosmic Ray Conference in Berlin Germany (ICRC 2021)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.11761","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:d021707e5f17565b0ecfed3ff57fd15f0bbb686fce1d0726a771ac1d370f0acf","target":"record","created_at":"2026-07-05T03:43:11Z","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":"801f1a27beb5ee1a72ba3524db962d0df1733fecf6dc0a8df5e98c789483e22c","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-12-22T09:50:44Z","title_canon_sha256":"8a69873dc7c60d094d2e3a0fb09e3af5c38377969606d38f2d7107f14b60fd3d"},"schema_version":"1.0","source":{"id":"2112.11761","kind":"arxiv","version":1}},"canonical_sha256":"5a42caad9fe3a363fb01a87a0b90e3ffbe846bacf4c8334181ec286b4b99e1a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a42caad9fe3a363fb01a87a0b90e3ffbe846bacf4c8334181ec286b4b99e1a3","first_computed_at":"2026-07-05T03:43:11.241268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:43:11.241268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DVwBfHUkNV5u1SOYgKvuyxxJnfQzqrhvc7OHajezQVISy2zvic03ddaXrV2zl6hCqLmUWRCy8pPj3R6s7iK2Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T03:43:11.241764Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.11761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d021707e5f17565b0ecfed3ff57fd15f0bbb686fce1d0726a771ac1d370f0acf","sha256:fabe8576b22f623618d924dcd867b7f02ad6cfbe4f0603791181966e5b303f9e"],"state_sha256":"e07eeb3b0b9e807b27d1f8924dae8c940bc6f2a06b3327cdb8408aab1ae6fe67"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hk8gOk58FB0Th8yiP1DlqWivj4GHrSvDMuTUaXi6aeWlHPunxjDvrTl9/zPH5c29XqcedZkCUM+eIwn/HvkfAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:38:36.501168Z","bundle_sha256":"76087ec4032aaac6ad0d191114ad42d6b07455bbfe3c36541b10312d119954aa"}}