{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GRMCR3LQYFLOL7WFGOLB3ZEANJ","short_pith_number":"pith:GRMCR3LQ","canonical_record":{"source":{"id":"1302.1263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-02-06T04:40:00Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"edaef38e7392b149816f4c90c96a11bf67cb60267bb7d271bb378b3e181f0f12","abstract_canon_sha256":"341eb8a665828818c2559995c30a3b75d170891a84e123119737eb4e7560d0b8"},"schema_version":"1.0"},"canonical_sha256":"345828ed70c156e5fec533961de4806a714713c842f0574e0c65d999857451db","source":{"kind":"arxiv","id":"1302.1263","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.1263","created_at":"2026-05-18T03:34:24Z"},{"alias_kind":"arxiv_version","alias_value":"1302.1263v1","created_at":"2026-05-18T03:34:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.1263","created_at":"2026-05-18T03:34:24Z"},{"alias_kind":"pith_short_12","alias_value":"GRMCR3LQYFLO","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GRMCR3LQYFLOL7WF","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GRMCR3LQ","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GRMCR3LQYFLOL7WFGOLB3ZEANJ","target":"record","payload":{"canonical_record":{"source":{"id":"1302.1263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-02-06T04:40:00Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"edaef38e7392b149816f4c90c96a11bf67cb60267bb7d271bb378b3e181f0f12","abstract_canon_sha256":"341eb8a665828818c2559995c30a3b75d170891a84e123119737eb4e7560d0b8"},"schema_version":"1.0"},"canonical_sha256":"345828ed70c156e5fec533961de4806a714713c842f0574e0c65d999857451db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:34:24.741225Z","signature_b64":"tNs4E24dkOScGi5z+n1X2p8u2zk3okFRg+egfVUDmnpqvUDMclT4pVljy2LMcrvnbPP/4oEg9rKKtKsRejYTBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"345828ed70c156e5fec533961de4806a714713c842f0574e0c65d999857451db","last_reissued_at":"2026-05-18T03:34:24.740793Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:34:24.740793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.1263","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":"2026-05-18T03:34:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cB2lNBetwHXsTbytWk9tfn0XbywVlfVPbrxNS4mc3r2wnnanZOdhhoDdMAnLv0Qh7aj0VIQ/IAYSFFnY1GdKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:09:36.386583Z"},"content_sha256":"7cfed5912efb9cf7432f1064775a99b12c19fec379a89b85f6e1db7f15d4dc52","schema_version":"1.0","event_id":"sha256:7cfed5912efb9cf7432f1064775a99b12c19fec379a89b85f6e1db7f15d4dc52"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GRMCR3LQYFLOL7WFGOLB3ZEANJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Concept and Analysis of a Satellite for Space-based Radio Detection of Ultra-high Energy Cosmic Rays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Andrew Romero-Wolf, Jeffrey Booth, Kurt Liewer, Peter Gorham, Riley Duren","submitted_at":"2013-02-06T04:40:00Z","abstract_excerpt":"We present a concept for on-orbit radio detection of ultra-high energy cosmic rays (UHECRs) that has the potential to provide collection rates of ~100 events per year for energies above 10^20 eV. The synoptic wideband orbiting radio detector (SWORD) mission's high event statistics at these energies combined with the pointing capabilities of a space-borne antenna array could enable charged particle astronomy. The detector concept is based on ANITA's successful detection UHECRs where the geosynchrotron radio signal produced by the extended air shower is reflected off the Earth's surface and dete"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.1263","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":"2026-05-18T03:34:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WfXKZ6MLJptHGMYFZdMWXsr94NAYiADRUxZDT9mzSsUt473+lJaQfbtN8MpNDNLyiE6gu5BQkCs8k7rvInqpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:09:36.387003Z"},"content_sha256":"2e388ec1e6e996583cb413e2bc5df7dd3b4a5c133cc1d5be8a006bd8b0a6f151","schema_version":"1.0","event_id":"sha256:2e388ec1e6e996583cb413e2bc5df7dd3b4a5c133cc1d5be8a006bd8b0a6f151"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GRMCR3LQYFLOL7WFGOLB3ZEANJ/bundle.json","state_url":"https://pith.science/pith/GRMCR3LQYFLOL7WFGOLB3ZEANJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GRMCR3LQYFLOL7WFGOLB3ZEANJ/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":"2026-05-27T13:09:36Z","links":{"resolver":"https://pith.science/pith/GRMCR3LQYFLOL7WFGOLB3ZEANJ","bundle":"https://pith.science/pith/GRMCR3LQYFLOL7WFGOLB3ZEANJ/bundle.json","state":"https://pith.science/pith/GRMCR3LQYFLOL7WFGOLB3ZEANJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GRMCR3LQYFLOL7WFGOLB3ZEANJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GRMCR3LQYFLOL7WFGOLB3ZEANJ","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":"341eb8a665828818c2559995c30a3b75d170891a84e123119737eb4e7560d0b8","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-02-06T04:40:00Z","title_canon_sha256":"edaef38e7392b149816f4c90c96a11bf67cb60267bb7d271bb378b3e181f0f12"},"schema_version":"1.0","source":{"id":"1302.1263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.1263","created_at":"2026-05-18T03:34:24Z"},{"alias_kind":"arxiv_version","alias_value":"1302.1263v1","created_at":"2026-05-18T03:34:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.1263","created_at":"2026-05-18T03:34:24Z"},{"alias_kind":"pith_short_12","alias_value":"GRMCR3LQYFLO","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GRMCR3LQYFLOL7WF","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GRMCR3LQ","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:2e388ec1e6e996583cb413e2bc5df7dd3b4a5c133cc1d5be8a006bd8b0a6f151","target":"graph","created_at":"2026-05-18T03:34:24Z","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":"We present a concept for on-orbit radio detection of ultra-high energy cosmic rays (UHECRs) that has the potential to provide collection rates of ~100 events per year for energies above 10^20 eV. The synoptic wideband orbiting radio detector (SWORD) mission's high event statistics at these energies combined with the pointing capabilities of a space-borne antenna array could enable charged particle astronomy. The detector concept is based on ANITA's successful detection UHECRs where the geosynchrotron radio signal produced by the extended air shower is reflected off the Earth's surface and dete","authors_text":"Andrew Romero-Wolf, Jeffrey Booth, Kurt Liewer, Peter Gorham, Riley Duren","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-02-06T04:40:00Z","title":"Concept and Analysis of a Satellite for Space-based Radio Detection of Ultra-high Energy Cosmic Rays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.1263","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":"sha256:7cfed5912efb9cf7432f1064775a99b12c19fec379a89b85f6e1db7f15d4dc52","target":"record","created_at":"2026-05-18T03:34:24Z","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":"341eb8a665828818c2559995c30a3b75d170891a84e123119737eb4e7560d0b8","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-02-06T04:40:00Z","title_canon_sha256":"edaef38e7392b149816f4c90c96a11bf67cb60267bb7d271bb378b3e181f0f12"},"schema_version":"1.0","source":{"id":"1302.1263","kind":"arxiv","version":1}},"canonical_sha256":"345828ed70c156e5fec533961de4806a714713c842f0574e0c65d999857451db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"345828ed70c156e5fec533961de4806a714713c842f0574e0c65d999857451db","first_computed_at":"2026-05-18T03:34:24.740793Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:34:24.740793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tNs4E24dkOScGi5z+n1X2p8u2zk3okFRg+egfVUDmnpqvUDMclT4pVljy2LMcrvnbPP/4oEg9rKKtKsRejYTBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:34:24.741225Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.1263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cfed5912efb9cf7432f1064775a99b12c19fec379a89b85f6e1db7f15d4dc52","sha256:2e388ec1e6e996583cb413e2bc5df7dd3b4a5c133cc1d5be8a006bd8b0a6f151"],"state_sha256":"b1c07ba76b310e2c591ca85bb1aab937b68ab0c372429c972acf63fa26526f2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QaaAWaC6aTklgCKoVf2g6kR+1RtJk2x6sjDuBdRhiul7jDrhwhY2weC6oqwn9QXSeVmFGQuWgvdHSu+gQYwYAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:09:36.389131Z","bundle_sha256":"35482e3470896d9aa2d809ff4197fbd435795d98a8f1d4389920aac97fa445c1"}}