{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:6TK5CO6DEICSXT4YS6LHX7KHBF","short_pith_number":"pith:6TK5CO6D","canonical_record":{"source":{"id":"2411.16565","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-11-25T16:49:57Z","cross_cats_sorted":[],"title_canon_sha256":"c0b7c556942b6e3e246f59821a50cf22c9329668ca7e808b13c179e3a6c0c56a","abstract_canon_sha256":"91a17ce12f428629c9e7c250a731f409bc6658ff562d2ea7b18c3fa5660d335f"},"schema_version":"1.0"},"canonical_sha256":"f4d5d13bc322052bcf9897967bfd4709744ba44fe780efdb4ad0bdc61ebe4a02","source":{"kind":"arxiv","id":"2411.16565","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.16565","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"arxiv_version","alias_value":"2411.16565v2","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.16565","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"pith_short_12","alias_value":"6TK5CO6DEICS","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"pith_short_16","alias_value":"6TK5CO6DEICSXT4Y","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"pith_short_8","alias_value":"6TK5CO6D","created_at":"2026-07-05T10:35:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:6TK5CO6DEICSXT4YS6LHX7KHBF","target":"record","payload":{"canonical_record":{"source":{"id":"2411.16565","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-11-25T16:49:57Z","cross_cats_sorted":[],"title_canon_sha256":"c0b7c556942b6e3e246f59821a50cf22c9329668ca7e808b13c179e3a6c0c56a","abstract_canon_sha256":"91a17ce12f428629c9e7c250a731f409bc6658ff562d2ea7b18c3fa5660d335f"},"schema_version":"1.0"},"canonical_sha256":"f4d5d13bc322052bcf9897967bfd4709744ba44fe780efdb4ad0bdc61ebe4a02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:35:41.910548Z","signature_b64":"gZ0IAqfbYWiiJpA5ghmkk5tpgW6egVzPpZ8uF4OFZNxpQ3aM8MbfVJrJL8wCXa+gUVnSBsz8Cmy0BLIKSjGLDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4d5d13bc322052bcf9897967bfd4709744ba44fe780efdb4ad0bdc61ebe4a02","last_reissued_at":"2026-07-05T10:35:41.908605Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:35:41.908605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.16565","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":"2026-07-05T10:35:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mPt5a1yCIc9sibN8uBO48dEMrqVNZg2Wdn5obVxCdyV4xKD4qFEn0Vr+meK7V3ArH6KsbqfFoTcireDE1N/bBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:24:38.330664Z"},"content_sha256":"982e31f704c7b1a4cba76f1195f053793b60e8d76c446a3ecfbc24c6d962d0a1","schema_version":"1.0","event_id":"sha256:982e31f704c7b1a4cba76f1195f053793b60e8d76c446a3ecfbc24c6d962d0a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:6TK5CO6DEICSXT4YS6LHX7KHBF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Application of Graph Networks to a wide-field Water-Cherenkov-based Gamma-Ray Observatory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Christopher van Eldik, Franziska Leitl, Jonas Glombitza, Martin Schneider, Stefan Funk","submitted_at":"2024-11-25T16:49:57Z","abstract_excerpt":"With their wide field of view and high duty cycle, water-Cherenkov-based observatories are integral to studying the very high-energy gamma-ray sky. For gamma-ray observations, precise event reconstruction and highly effective background rejection are crucial and have been continuously improving in recent years. In this work, we investigate the application of graph neural networks (GNNs) to background rejection and energy reconstruction and benchmark their performance against state-of-the-art methods. In our simulation study, we find that GNNs outperform hand-designed classification algorithms "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.16565","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/2411.16565/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":"2026-07-05T10:35:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DEIzC7tLyIkssCuRfdAYEggGC+zQ2CoKToPCIdWrY2MkI/w27xMzRVqWgcIjXizy1go/MlUWAfrJ0qk7x0zwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:24:38.331650Z"},"content_sha256":"98e00aec47c8d9be9c1eb339f8d5b4aad6738d099e30d6a1265d4223edd01f4e","schema_version":"1.0","event_id":"sha256:98e00aec47c8d9be9c1eb339f8d5b4aad6738d099e30d6a1265d4223edd01f4e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6TK5CO6DEICSXT4YS6LHX7KHBF/bundle.json","state_url":"https://pith.science/pith/6TK5CO6DEICSXT4YS6LHX7KHBF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6TK5CO6DEICSXT4YS6LHX7KHBF/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":"2026-08-10T19:24:38Z","links":{"resolver":"https://pith.science/pith/6TK5CO6DEICSXT4YS6LHX7KHBF","bundle":"https://pith.science/pith/6TK5CO6DEICSXT4YS6LHX7KHBF/bundle.json","state":"https://pith.science/pith/6TK5CO6DEICSXT4YS6LHX7KHBF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6TK5CO6DEICSXT4YS6LHX7KHBF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:6TK5CO6DEICSXT4YS6LHX7KHBF","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":"91a17ce12f428629c9e7c250a731f409bc6658ff562d2ea7b18c3fa5660d335f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-11-25T16:49:57Z","title_canon_sha256":"c0b7c556942b6e3e246f59821a50cf22c9329668ca7e808b13c179e3a6c0c56a"},"schema_version":"1.0","source":{"id":"2411.16565","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.16565","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"arxiv_version","alias_value":"2411.16565v2","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.16565","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"pith_short_12","alias_value":"6TK5CO6DEICS","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"pith_short_16","alias_value":"6TK5CO6DEICSXT4Y","created_at":"2026-07-05T10:35:41Z"},{"alias_kind":"pith_short_8","alias_value":"6TK5CO6D","created_at":"2026-07-05T10:35:41Z"}],"graph_snapshots":[{"event_id":"sha256:98e00aec47c8d9be9c1eb339f8d5b4aad6738d099e30d6a1265d4223edd01f4e","target":"graph","created_at":"2026-07-05T10:35:41Z","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/2411.16565/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With their wide field of view and high duty cycle, water-Cherenkov-based observatories are integral to studying the very high-energy gamma-ray sky. For gamma-ray observations, precise event reconstruction and highly effective background rejection are crucial and have been continuously improving in recent years. In this work, we investigate the application of graph neural networks (GNNs) to background rejection and energy reconstruction and benchmark their performance against state-of-the-art methods. In our simulation study, we find that GNNs outperform hand-designed classification algorithms ","authors_text":"Christopher van Eldik, Franziska Leitl, Jonas Glombitza, Martin Schneider, Stefan Funk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-11-25T16:49:57Z","title":"Application of Graph Networks to a wide-field Water-Cherenkov-based Gamma-Ray Observatory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.16565","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":"sha256:982e31f704c7b1a4cba76f1195f053793b60e8d76c446a3ecfbc24c6d962d0a1","target":"record","created_at":"2026-07-05T10:35:41Z","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":"91a17ce12f428629c9e7c250a731f409bc6658ff562d2ea7b18c3fa5660d335f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-11-25T16:49:57Z","title_canon_sha256":"c0b7c556942b6e3e246f59821a50cf22c9329668ca7e808b13c179e3a6c0c56a"},"schema_version":"1.0","source":{"id":"2411.16565","kind":"arxiv","version":2}},"canonical_sha256":"f4d5d13bc322052bcf9897967bfd4709744ba44fe780efdb4ad0bdc61ebe4a02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4d5d13bc322052bcf9897967bfd4709744ba44fe780efdb4ad0bdc61ebe4a02","first_computed_at":"2026-07-05T10:35:41.908605Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:35:41.908605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gZ0IAqfbYWiiJpA5ghmkk5tpgW6egVzPpZ8uF4OFZNxpQ3aM8MbfVJrJL8wCXa+gUVnSBsz8Cmy0BLIKSjGLDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:35:41.910548Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.16565","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:982e31f704c7b1a4cba76f1195f053793b60e8d76c446a3ecfbc24c6d962d0a1","sha256:98e00aec47c8d9be9c1eb339f8d5b4aad6738d099e30d6a1265d4223edd01f4e"],"state_sha256":"f5373fc72fd2d6351c482ec3bdde237566d4f0b2b64af6ffa563094f9d85025c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DpJFydDvJX7ccsZB4bu5tuPsBE1E4WqYMnV63I9JMGLFx49nfVfGpQPBL9Z7kb9PEvn2JO2o9jF1l+mFjrqRCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T19:24:38.341482Z","bundle_sha256":"66d6abca9cbd392769e3b20ce50d75fc9d531f51388a0cad2dd28f2e8cacebca"}}