{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:4C3KXXEBO7KMM5S5JKNJ3PON24","short_pith_number":"pith:4C3KXXEB","canonical_record":{"source":{"id":"1608.02408","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-08-08T12:26:28Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3f1c61746c1c0f7ac70efae62f61450a501db7f6dcf4b29f9753f8f9f652bfc6","abstract_canon_sha256":"fb3fb5f921f51040f943cb40f1cdbf18606a410ac29dcebf598015336449cdd0"},"schema_version":"1.0"},"canonical_sha256":"e0b6abdc8177d4c6765d4a9a9dbdcdd71e487857531554c5cd8fcbaa27ec9977","source":{"kind":"arxiv","id":"1608.02408","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.02408","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"1608.02408v1","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02408","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"4C3KXXEBO7KM","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4C3KXXEBO7KMM5S5","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4C3KXXEB","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:4C3KXXEBO7KMM5S5JKNJ3PON24","target":"record","payload":{"canonical_record":{"source":{"id":"1608.02408","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-08-08T12:26:28Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3f1c61746c1c0f7ac70efae62f61450a501db7f6dcf4b29f9753f8f9f652bfc6","abstract_canon_sha256":"fb3fb5f921f51040f943cb40f1cdbf18606a410ac29dcebf598015336449cdd0"},"schema_version":"1.0"},"canonical_sha256":"e0b6abdc8177d4c6765d4a9a9dbdcdd71e487857531554c5cd8fcbaa27ec9977","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:40.273079Z","signature_b64":"1ZhJ2cYygqaA0vzbNjTKT4bvPVwA4Vo555JW1gGohm+X7iwDmdZgX5eLuSPeRAAyDEX8CCHbhFtZrnR94YdvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0b6abdc8177d4c6765d4a9a9dbdcdd71e487857531554c5cd8fcbaa27ec9977","last_reissued_at":"2026-05-18T01:09:40.272660Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:40.272660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.02408","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":"2026-05-18T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iZtu1uEm21XID3XttEZ1zlOSqWuWEiH5eZpg9Kge2L7plowZtdmnmGsllI+h3c5iDqSzgAe4DghxhQFID1/KAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:21:22.549219Z"},"content_sha256":"da7c03acc6c11c5669ac7746037fad43e2733df7fd5532d5590b5e9aa83a15b4","schema_version":"1.0","event_id":"sha256:da7c03acc6c11c5669ac7746037fad43e2733df7fd5532d5590b5e9aa83a15b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:4C3KXXEBO7KMM5S5JKNJ3PON24","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The lunar Askaryan technique with the Square Kilometre Array","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Clancy W. James, Heino Falcke, Jaime Alvarez-Muniz, Justin D. Bray, Ken G. Gayley, Maaijke Mevius, Olaf Scholten, Ralph E. Spencer, Raymond J. Protheroe, Robert L. Mutel, Ronald D. Ekers, Rustam D. Dagkesamanskii, Sander ter Veen, Stijn Buitink, Tim Huege","submitted_at":"2016-08-08T12:26:28Z","abstract_excerpt":"The lunar Askaryan technique is a method to study the highest-energy cosmic rays, and their predicted counterparts, the ultra-high-energy neutrinos. By observing the Moon with a radio telescope, and searching for the characteristic nanosecond-scale Askaryan pulses emitted when a high-energy particle interacts in the outer layers of the Moon, the visible lunar surface can be used as a detection area. Several previous experiments, at Parkes, Goldstone, Kalyazin, Westerbork, the ATCA, Lovell, LOFAR, and the VLA, have developed the necessary techniques to search for these pulses, but existing inst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02408","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":"2026-05-18T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Tqd/iEBLjFPiyI9MzMrMjaNJUHC27H6eZO6yZVbHCv3ZQpMopwcc/vpvKXZ317zTSB/lvaEoSSh+HwGuZiFBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:21:22.550394Z"},"content_sha256":"8940de2ceb060da4afd84576b34e898a8364ea5a54f1f536aabaa8d613f2a6a4","schema_version":"1.0","event_id":"sha256:8940de2ceb060da4afd84576b34e898a8364ea5a54f1f536aabaa8d613f2a6a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4C3KXXEBO7KMM5S5JKNJ3PON24/bundle.json","state_url":"https://pith.science/pith/4C3KXXEBO7KMM5S5JKNJ3PON24/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4C3KXXEBO7KMM5S5JKNJ3PON24/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":"2026-05-30T14:21:22Z","links":{"resolver":"https://pith.science/pith/4C3KXXEBO7KMM5S5JKNJ3PON24","bundle":"https://pith.science/pith/4C3KXXEBO7KMM5S5JKNJ3PON24/bundle.json","state":"https://pith.science/pith/4C3KXXEBO7KMM5S5JKNJ3PON24/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4C3KXXEBO7KMM5S5JKNJ3PON24/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:4C3KXXEBO7KMM5S5JKNJ3PON24","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":"fb3fb5f921f51040f943cb40f1cdbf18606a410ac29dcebf598015336449cdd0","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-08-08T12:26:28Z","title_canon_sha256":"3f1c61746c1c0f7ac70efae62f61450a501db7f6dcf4b29f9753f8f9f652bfc6"},"schema_version":"1.0","source":{"id":"1608.02408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.02408","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"1608.02408v1","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02408","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"4C3KXXEBO7KM","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4C3KXXEBO7KMM5S5","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4C3KXXEB","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:8940de2ceb060da4afd84576b34e898a8364ea5a54f1f536aabaa8d613f2a6a4","target":"graph","created_at":"2026-05-18T01:09:40Z","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":"The lunar Askaryan technique is a method to study the highest-energy cosmic rays, and their predicted counterparts, the ultra-high-energy neutrinos. By observing the Moon with a radio telescope, and searching for the characteristic nanosecond-scale Askaryan pulses emitted when a high-energy particle interacts in the outer layers of the Moon, the visible lunar surface can be used as a detection area. Several previous experiments, at Parkes, Goldstone, Kalyazin, Westerbork, the ATCA, Lovell, LOFAR, and the VLA, have developed the necessary techniques to search for these pulses, but existing inst","authors_text":"Clancy W. James, Heino Falcke, Jaime Alvarez-Muniz, Justin D. Bray, Ken G. Gayley, Maaijke Mevius, Olaf Scholten, Ralph E. Spencer, Raymond J. Protheroe, Robert L. Mutel, Ronald D. Ekers, Rustam D. Dagkesamanskii, Sander ter Veen, Stijn Buitink, Tim Huege","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-08-08T12:26:28Z","title":"The lunar Askaryan technique with the Square Kilometre Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02408","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:da7c03acc6c11c5669ac7746037fad43e2733df7fd5532d5590b5e9aa83a15b4","target":"record","created_at":"2026-05-18T01:09:40Z","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":"fb3fb5f921f51040f943cb40f1cdbf18606a410ac29dcebf598015336449cdd0","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-08-08T12:26:28Z","title_canon_sha256":"3f1c61746c1c0f7ac70efae62f61450a501db7f6dcf4b29f9753f8f9f652bfc6"},"schema_version":"1.0","source":{"id":"1608.02408","kind":"arxiv","version":1}},"canonical_sha256":"e0b6abdc8177d4c6765d4a9a9dbdcdd71e487857531554c5cd8fcbaa27ec9977","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0b6abdc8177d4c6765d4a9a9dbdcdd71e487857531554c5cd8fcbaa27ec9977","first_computed_at":"2026-05-18T01:09:40.272660Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:40.272660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1ZhJ2cYygqaA0vzbNjTKT4bvPVwA4Vo555JW1gGohm+X7iwDmdZgX5eLuSPeRAAyDEX8CCHbhFtZrnR94YdvDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:40.273079Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.02408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da7c03acc6c11c5669ac7746037fad43e2733df7fd5532d5590b5e9aa83a15b4","sha256:8940de2ceb060da4afd84576b34e898a8364ea5a54f1f536aabaa8d613f2a6a4"],"state_sha256":"518e07e9e6457b5806165964e5b905c52a6e42f72ccba3502c46d2c5c21d513b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6n22zhz32/3mWyxc1TSXc4fPFDsUsK1i83XcD8zgmYGj/9rGeUOkX/rniUPemXIZs49xV7bnT2j2OpMW89I+BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:21:22.554140Z","bundle_sha256":"9ad7f056e46a6b66ffd7f3a79334d71fe153e55895b8924036ffc9d5549fe9d5"}}