{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:SWL6J47H64H3MGBKHSAGCEA7OS","short_pith_number":"pith:SWL6J47H","canonical_record":{"source":{"id":"2502.05903","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2025-02-09T13:43:42Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"bf51bd1a9fc342a73575cf1082ee7ca614f655ef290141ee9d322889fcf9eb60","abstract_canon_sha256":"c36f35fcc5d4dcb0ffe071b40df14cc9f8ba4c6a4a14c552df0f899902db3157"},"schema_version":"1.0"},"canonical_sha256":"9597e4f3e7f70fb6182a3c8061101f749976ef229cdd0e636fdf8ae2bb153e56","source":{"kind":"arxiv","id":"2502.05903","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.05903","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"2502.05903v1","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.05903","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"SWL6J47H64H3","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"pith_short_16","alias_value":"SWL6J47H64H3MGBK","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"pith_short_8","alias_value":"SWL6J47H","created_at":"2026-07-05T10:45:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:SWL6J47H64H3MGBKHSAGCEA7OS","target":"record","payload":{"canonical_record":{"source":{"id":"2502.05903","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2025-02-09T13:43:42Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"bf51bd1a9fc342a73575cf1082ee7ca614f655ef290141ee9d322889fcf9eb60","abstract_canon_sha256":"c36f35fcc5d4dcb0ffe071b40df14cc9f8ba4c6a4a14c552df0f899902db3157"},"schema_version":"1.0"},"canonical_sha256":"9597e4f3e7f70fb6182a3c8061101f749976ef229cdd0e636fdf8ae2bb153e56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:45:59.986112Z","signature_b64":"fA+6gOZZVmZfgNFArRxiV01iNl0hehwULzpBDksX8zIDfmnlw2SW7N1ErOjXmQ0I83vBOM1InT7lWAmPUoslDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9597e4f3e7f70fb6182a3c8061101f749976ef229cdd0e636fdf8ae2bb153e56","last_reissued_at":"2026-07-05T10:45:59.985639Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:45:59.985639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.05903","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":"2026-07-05T10:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V2rccgmPvmuhjnHlH1Wm39IClQx8rSUZGTmbGJgnGTIT5T+bS268919v9rfZXHLKIA9TCgjaPUmOB2ir30cCDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:45:02.539177Z"},"content_sha256":"9464ae827f08aa9e96664deb5c91313f26ab76d46111802fd981b391366105c8","schema_version":"1.0","event_id":"sha256:9464ae827f08aa9e96664deb5c91313f26ab76d46111802fd981b391366105c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:SWL6J47H64H3MGBKHSAGCEA7OS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Estimating solar radiation environment extremes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"physics.space-ph","authors_text":"Athanasios Papaioannou, Konstantin Herbst","submitted_at":"2025-02-09T13:43:42Z","abstract_excerpt":"Extreme Solar Energetic Particle Events (ESPEs) were identified almost a decade ago, providing context for super events unleashed by our host star, the Sun. Their assumed solar origin drives the question of their ``worst-case\" impact, which could be profound, multifaceted, and devastating for our technological society. A methodology that directly relates the soft X-ray flux $F_{SXR}$ of the driving solar flare of a Solar Energetic Particle event to its ``worst-case\" integral fluence spectrum has recently been proposed by Papaioannou et al. (2023). We employ this method to the ESPEs that have b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.05903","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/2502.05903/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":"2026-07-05T10:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5EGn9/2XP/2LSypjEMpW8n2NpCPysniDHrG4pxA1/bU7GfMxND4jMRpHSQZTdInEWSv1cmV2mikNe9VZ42OXBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:45:02.539775Z"},"content_sha256":"c04f7f983e67a5d211603c708a3740aba0d74d358b7b75dfc520a78d70718a51","schema_version":"1.0","event_id":"sha256:c04f7f983e67a5d211603c708a3740aba0d74d358b7b75dfc520a78d70718a51"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SWL6J47H64H3MGBKHSAGCEA7OS/bundle.json","state_url":"https://pith.science/pith/SWL6J47H64H3MGBKHSAGCEA7OS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SWL6J47H64H3MGBKHSAGCEA7OS/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":"2026-08-10T09:45:02Z","links":{"resolver":"https://pith.science/pith/SWL6J47H64H3MGBKHSAGCEA7OS","bundle":"https://pith.science/pith/SWL6J47H64H3MGBKHSAGCEA7OS/bundle.json","state":"https://pith.science/pith/SWL6J47H64H3MGBKHSAGCEA7OS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SWL6J47H64H3MGBKHSAGCEA7OS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:SWL6J47H64H3MGBKHSAGCEA7OS","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":"c36f35fcc5d4dcb0ffe071b40df14cc9f8ba4c6a4a14c552df0f899902db3157","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2025-02-09T13:43:42Z","title_canon_sha256":"bf51bd1a9fc342a73575cf1082ee7ca614f655ef290141ee9d322889fcf9eb60"},"schema_version":"1.0","source":{"id":"2502.05903","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.05903","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"2502.05903v1","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.05903","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"SWL6J47H64H3","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"pith_short_16","alias_value":"SWL6J47H64H3MGBK","created_at":"2026-07-05T10:45:59Z"},{"alias_kind":"pith_short_8","alias_value":"SWL6J47H","created_at":"2026-07-05T10:45:59Z"}],"graph_snapshots":[{"event_id":"sha256:c04f7f983e67a5d211603c708a3740aba0d74d358b7b75dfc520a78d70718a51","target":"graph","created_at":"2026-07-05T10:45:59Z","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/2502.05903/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Extreme Solar Energetic Particle Events (ESPEs) were identified almost a decade ago, providing context for super events unleashed by our host star, the Sun. Their assumed solar origin drives the question of their ``worst-case\" impact, which could be profound, multifaceted, and devastating for our technological society. A methodology that directly relates the soft X-ray flux $F_{SXR}$ of the driving solar flare of a Solar Energetic Particle event to its ``worst-case\" integral fluence spectrum has recently been proposed by Papaioannou et al. (2023). We employ this method to the ESPEs that have b","authors_text":"Athanasios Papaioannou, Konstantin Herbst","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2025-02-09T13:43:42Z","title":"Estimating solar radiation environment extremes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.05903","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":"sha256:9464ae827f08aa9e96664deb5c91313f26ab76d46111802fd981b391366105c8","target":"record","created_at":"2026-07-05T10:45:59Z","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":"c36f35fcc5d4dcb0ffe071b40df14cc9f8ba4c6a4a14c552df0f899902db3157","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2025-02-09T13:43:42Z","title_canon_sha256":"bf51bd1a9fc342a73575cf1082ee7ca614f655ef290141ee9d322889fcf9eb60"},"schema_version":"1.0","source":{"id":"2502.05903","kind":"arxiv","version":1}},"canonical_sha256":"9597e4f3e7f70fb6182a3c8061101f749976ef229cdd0e636fdf8ae2bb153e56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9597e4f3e7f70fb6182a3c8061101f749976ef229cdd0e636fdf8ae2bb153e56","first_computed_at":"2026-07-05T10:45:59.985639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:45:59.985639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fA+6gOZZVmZfgNFArRxiV01iNl0hehwULzpBDksX8zIDfmnlw2SW7N1ErOjXmQ0I83vBOM1InT7lWAmPUoslDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:45:59.986112Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.05903","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9464ae827f08aa9e96664deb5c91313f26ab76d46111802fd981b391366105c8","sha256:c04f7f983e67a5d211603c708a3740aba0d74d358b7b75dfc520a78d70718a51"],"state_sha256":"ccc1891036490f1573f95de4a8b828966f6748c192f5014f09da4c3157b54443"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VVm1Pr18Qii2l/dg5wsLAktHuUKVj5KauHqJUL6z8YObmf341IC178yELCvKzX38iNSpksSxTYGYL6g3g+dXAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T09:45:02.543246Z","bundle_sha256":"e9a8abd4fbf0bcc990f1eba1b58bf295d1d7e4f9609206888408df96980bb2a1"}}