{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IJAU5OERG6WZXSDYCNSBDQNKBC","short_pith_number":"pith:IJAU5OER","canonical_record":{"source":{"id":"1312.4331","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-12-16T12:28:32Z","cross_cats_sorted":[],"title_canon_sha256":"af65a661df9250d92d0a6c91f3bb3fbe6c3b3b701cd3ac90dcf0d956717accd7","abstract_canon_sha256":"0ca639c78cbf908010a630dadc836d3a056e52501f11796798e7c2fc1158f50e"},"schema_version":"1.0"},"canonical_sha256":"42414eb89137ad9bc878136411c1aa0888ba8c5a7acfc60a537844ea240e8d3a","source":{"kind":"arxiv","id":"1312.4331","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4331","created_at":"2026-05-18T02:45:40Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4331v2","created_at":"2026-05-18T02:45:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4331","created_at":"2026-05-18T02:45:40Z"},{"alias_kind":"pith_short_12","alias_value":"IJAU5OERG6WZ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IJAU5OERG6WZXSDY","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IJAU5OER","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IJAU5OERG6WZXSDYCNSBDQNKBC","target":"record","payload":{"canonical_record":{"source":{"id":"1312.4331","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-12-16T12:28:32Z","cross_cats_sorted":[],"title_canon_sha256":"af65a661df9250d92d0a6c91f3bb3fbe6c3b3b701cd3ac90dcf0d956717accd7","abstract_canon_sha256":"0ca639c78cbf908010a630dadc836d3a056e52501f11796798e7c2fc1158f50e"},"schema_version":"1.0"},"canonical_sha256":"42414eb89137ad9bc878136411c1aa0888ba8c5a7acfc60a537844ea240e8d3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:40.997381Z","signature_b64":"f3/0rWEZuJ3he78LQpzvTZIsyGiBUzwMovuvuAujTgtXwb5QO98etT2KzU8yLDWb66WEMpaTrtuqOXSzkbLGCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42414eb89137ad9bc878136411c1aa0888ba8c5a7acfc60a537844ea240e8d3a","last_reissued_at":"2026-05-18T02:45:40.996864Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:40.996864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.4331","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":"2026-05-18T02:45:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PkLoX9SZ3iLT0Hk17sR75P7mv7RGfN1JyxgRKAlyKzT88rVra78CoF7sUUDAugXfT1JCzs6FQRuJxg2UkEDjAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:36:46.942228Z"},"content_sha256":"67e81998e0a956abc97a49b986551a9b6f1137b1b9f922332a85b54799501d48","schema_version":"1.0","event_id":"sha256:67e81998e0a956abc97a49b986551a9b6f1137b1b9f922332a85b54799501d48"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IJAU5OERG6WZXSDYCNSBDQNKBC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the feasibility of RADAR detection of high-energy neutrino-induced showers in ice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Kael Hanson, Krijn D. de Vries, Thomas Meures","submitted_at":"2013-12-16T12:28:32Z","abstract_excerpt":"In this article we try to answer the question whether the radar detection technique can be used for the detection of high-energy-neutrino induced particle cascades in ice. A high-energy neutrino interacting in ice will induce a particle cascade, also referred to as a particle shower, moving at approximately the speed of light. Passing through, the cascade will ionize the medium, leaving behind a plasma tube. The different properties of the plasma-tube, such as its lifetime, size and the charge-density will be used to obtain an estimate if it is possible to detect this tube by means of the rada"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4331","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":""},"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":"2026-05-18T02:45:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kcu8NjWubdyibYwvk4uZCYj6vxjC5P/dbHyMWtFOJdCo5vLEWaUunU4NpvudKFiW3WmKRPZ/1L/39SLcjX8SCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:36:46.942655Z"},"content_sha256":"bf6c6f7f7e6102c660908107b4aa276de6950a39b0b13dc7c11a32c97c60126b","schema_version":"1.0","event_id":"sha256:bf6c6f7f7e6102c660908107b4aa276de6950a39b0b13dc7c11a32c97c60126b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IJAU5OERG6WZXSDYCNSBDQNKBC/bundle.json","state_url":"https://pith.science/pith/IJAU5OERG6WZXSDYCNSBDQNKBC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IJAU5OERG6WZXSDYCNSBDQNKBC/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":"2026-05-27T01:36:46Z","links":{"resolver":"https://pith.science/pith/IJAU5OERG6WZXSDYCNSBDQNKBC","bundle":"https://pith.science/pith/IJAU5OERG6WZXSDYCNSBDQNKBC/bundle.json","state":"https://pith.science/pith/IJAU5OERG6WZXSDYCNSBDQNKBC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IJAU5OERG6WZXSDYCNSBDQNKBC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IJAU5OERG6WZXSDYCNSBDQNKBC","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":"0ca639c78cbf908010a630dadc836d3a056e52501f11796798e7c2fc1158f50e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-12-16T12:28:32Z","title_canon_sha256":"af65a661df9250d92d0a6c91f3bb3fbe6c3b3b701cd3ac90dcf0d956717accd7"},"schema_version":"1.0","source":{"id":"1312.4331","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4331","created_at":"2026-05-18T02:45:40Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4331v2","created_at":"2026-05-18T02:45:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4331","created_at":"2026-05-18T02:45:40Z"},{"alias_kind":"pith_short_12","alias_value":"IJAU5OERG6WZ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IJAU5OERG6WZXSDY","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IJAU5OER","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:bf6c6f7f7e6102c660908107b4aa276de6950a39b0b13dc7c11a32c97c60126b","target":"graph","created_at":"2026-05-18T02:45:40Z","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":"In this article we try to answer the question whether the radar detection technique can be used for the detection of high-energy-neutrino induced particle cascades in ice. A high-energy neutrino interacting in ice will induce a particle cascade, also referred to as a particle shower, moving at approximately the speed of light. Passing through, the cascade will ionize the medium, leaving behind a plasma tube. The different properties of the plasma-tube, such as its lifetime, size and the charge-density will be used to obtain an estimate if it is possible to detect this tube by means of the rada","authors_text":"Kael Hanson, Krijn D. de Vries, Thomas Meures","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-12-16T12:28:32Z","title":"On the feasibility of RADAR detection of high-energy neutrino-induced showers in ice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4331","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":"sha256:67e81998e0a956abc97a49b986551a9b6f1137b1b9f922332a85b54799501d48","target":"record","created_at":"2026-05-18T02:45:40Z","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":"0ca639c78cbf908010a630dadc836d3a056e52501f11796798e7c2fc1158f50e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-12-16T12:28:32Z","title_canon_sha256":"af65a661df9250d92d0a6c91f3bb3fbe6c3b3b701cd3ac90dcf0d956717accd7"},"schema_version":"1.0","source":{"id":"1312.4331","kind":"arxiv","version":2}},"canonical_sha256":"42414eb89137ad9bc878136411c1aa0888ba8c5a7acfc60a537844ea240e8d3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42414eb89137ad9bc878136411c1aa0888ba8c5a7acfc60a537844ea240e8d3a","first_computed_at":"2026-05-18T02:45:40.996864Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:40.996864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f3/0rWEZuJ3he78LQpzvTZIsyGiBUzwMovuvuAujTgtXwb5QO98etT2KzU8yLDWb66WEMpaTrtuqOXSzkbLGCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:40.997381Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.4331","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67e81998e0a956abc97a49b986551a9b6f1137b1b9f922332a85b54799501d48","sha256:bf6c6f7f7e6102c660908107b4aa276de6950a39b0b13dc7c11a32c97c60126b"],"state_sha256":"1e85cfd0acb6065c4bb1595e30d6ff173494f647f30b78744590ac24682b3ea2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zq3axiNagYDRLf1AxA97ysLKeo1vFD2LgiFxGv7FsZOdbuEA8hL9DqclrfsWcEts/jw9ffiPa73oMJGJp6V3BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:36:46.945448Z","bundle_sha256":"cffd57476d12b67034b3d22801c2d87bb235ad8002c8496797871f3cd8b9a78f"}}