{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:6TIPOWSOUVH6RDFXS6WD5T73EB","short_pith_number":"pith:6TIPOWSO","canonical_record":{"source":{"id":"1507.03776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-14T09:04:32Z","cross_cats_sorted":[],"title_canon_sha256":"54115407540eada3dece773ab306541c107fc37c31028c0ee3ef36687015cf61","abstract_canon_sha256":"f0e4832989788ce6888a332c37a10f097403f8cab033ba1efe26aa7f30fe3bf1"},"schema_version":"1.0"},"canonical_sha256":"f4d0f75a4ea54fe88cb797ac3ecffb206960e98490a9d497733a8d806f2f3a38","source":{"kind":"arxiv","id":"1507.03776","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03776","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03776v1","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03776","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"pith_short_12","alias_value":"6TIPOWSOUVH6","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6TIPOWSOUVH6RDFX","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6TIPOWSO","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:6TIPOWSOUVH6RDFXS6WD5T73EB","target":"record","payload":{"canonical_record":{"source":{"id":"1507.03776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-14T09:04:32Z","cross_cats_sorted":[],"title_canon_sha256":"54115407540eada3dece773ab306541c107fc37c31028c0ee3ef36687015cf61","abstract_canon_sha256":"f0e4832989788ce6888a332c37a10f097403f8cab033ba1efe26aa7f30fe3bf1"},"schema_version":"1.0"},"canonical_sha256":"f4d0f75a4ea54fe88cb797ac3ecffb206960e98490a9d497733a8d806f2f3a38","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:29.571101Z","signature_b64":"ma+MAAce3CF8vyojlD0xF3LE5dEs3pIJ6WF3wmWX3T1n+LiAA/ijz6+drcPDszEbCA/NNLhcga07d8XiHMhHAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4d0f75a4ea54fe88cb797ac3ecffb206960e98490a9d497733a8d806f2f3a38","last_reissued_at":"2026-05-18T01:35:29.570574Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:29.570574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.03776","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":"2026-05-18T01:35:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MujfBLiHzM8BwavNNMzBwe+rKW2NyMk/5XlsOtAn+TlMSXQdWgU1cYwk+tnlnyH+QWVAhu2BZ7myx4+7ezCuAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:53:05.124869Z"},"content_sha256":"297c9e082972ffb0870e880e0dd6e460943ade814adaf2f24819b89a2f219022","schema_version":"1.0","event_id":"sha256:297c9e082972ffb0870e880e0dd6e460943ade814adaf2f24819b89a2f219022"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:6TIPOWSOUVH6RDFXS6WD5T73EB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Properties of solar energetic particle events inferred from their associated radio emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Hillaris, A. Kontogeorgos, A. Kouloumvakos, A. Nindos, C.E. Alissandrakis, E. Valtonen, O. Malandraki, P. Tsitsipis, X. Moussas","submitted_at":"2015-07-14T09:04:32Z","abstract_excerpt":"We study selected properties of Solar Energetic Particle (SEP) events as inferred from their associated radio emissions. We used a catalogue of 115 SEP events that consists of entries of proton intensity enhancements at one AU, with complete coverage over solar cycle 23, based on high-energy (~68 MeV) protons from SOHO/ERNE and we calculated the proton release time at the Sun using velocity dispersion analysis (VDA). After an initial rejection of cases with unrealistic VDA path lengths, we assembled composite radio spectra for the remaining events using data from ground-based and space-borne r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03776","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":"2026-05-18T01:35:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qeeGcluNyM1lPxnG974UqeDUDU+mDxAytlcSRxvNo83BhSyhOQSB+g8I59VvEoYOWyd8F+R8ICvGCS/bWbhUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:53:05.125573Z"},"content_sha256":"c59b748cf1ce23bee6c69470a7319c1dbeaedee08785a91b085413502c75751c","schema_version":"1.0","event_id":"sha256:c59b748cf1ce23bee6c69470a7319c1dbeaedee08785a91b085413502c75751c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6TIPOWSOUVH6RDFXS6WD5T73EB/bundle.json","state_url":"https://pith.science/pith/6TIPOWSOUVH6RDFXS6WD5T73EB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6TIPOWSOUVH6RDFXS6WD5T73EB/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":"2026-05-25T18:53:05Z","links":{"resolver":"https://pith.science/pith/6TIPOWSOUVH6RDFXS6WD5T73EB","bundle":"https://pith.science/pith/6TIPOWSOUVH6RDFXS6WD5T73EB/bundle.json","state":"https://pith.science/pith/6TIPOWSOUVH6RDFXS6WD5T73EB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6TIPOWSOUVH6RDFXS6WD5T73EB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:6TIPOWSOUVH6RDFXS6WD5T73EB","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":"f0e4832989788ce6888a332c37a10f097403f8cab033ba1efe26aa7f30fe3bf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-14T09:04:32Z","title_canon_sha256":"54115407540eada3dece773ab306541c107fc37c31028c0ee3ef36687015cf61"},"schema_version":"1.0","source":{"id":"1507.03776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03776","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03776v1","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03776","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"pith_short_12","alias_value":"6TIPOWSOUVH6","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6TIPOWSOUVH6RDFX","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6TIPOWSO","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:c59b748cf1ce23bee6c69470a7319c1dbeaedee08785a91b085413502c75751c","target":"graph","created_at":"2026-05-18T01:35:29Z","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 study selected properties of Solar Energetic Particle (SEP) events as inferred from their associated radio emissions. We used a catalogue of 115 SEP events that consists of entries of proton intensity enhancements at one AU, with complete coverage over solar cycle 23, based on high-energy (~68 MeV) protons from SOHO/ERNE and we calculated the proton release time at the Sun using velocity dispersion analysis (VDA). After an initial rejection of cases with unrealistic VDA path lengths, we assembled composite radio spectra for the remaining events using data from ground-based and space-borne r","authors_text":"A. Hillaris, A. Kontogeorgos, A. Kouloumvakos, A. Nindos, C.E. Alissandrakis, E. Valtonen, O. Malandraki, P. Tsitsipis, X. Moussas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-14T09:04:32Z","title":"Properties of solar energetic particle events inferred from their associated radio emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03776","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":"sha256:297c9e082972ffb0870e880e0dd6e460943ade814adaf2f24819b89a2f219022","target":"record","created_at":"2026-05-18T01:35:29Z","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":"f0e4832989788ce6888a332c37a10f097403f8cab033ba1efe26aa7f30fe3bf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-14T09:04:32Z","title_canon_sha256":"54115407540eada3dece773ab306541c107fc37c31028c0ee3ef36687015cf61"},"schema_version":"1.0","source":{"id":"1507.03776","kind":"arxiv","version":1}},"canonical_sha256":"f4d0f75a4ea54fe88cb797ac3ecffb206960e98490a9d497733a8d806f2f3a38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4d0f75a4ea54fe88cb797ac3ecffb206960e98490a9d497733a8d806f2f3a38","first_computed_at":"2026-05-18T01:35:29.570574Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:29.570574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ma+MAAce3CF8vyojlD0xF3LE5dEs3pIJ6WF3wmWX3T1n+LiAA/ijz6+drcPDszEbCA/NNLhcga07d8XiHMhHAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:29.571101Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.03776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:297c9e082972ffb0870e880e0dd6e460943ade814adaf2f24819b89a2f219022","sha256:c59b748cf1ce23bee6c69470a7319c1dbeaedee08785a91b085413502c75751c"],"state_sha256":"c3b0bc799136213ff51d078b6adcda8b93e69771415b7c79c530ac2f41e65221"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+1RGLpKB9iaQ6vcA4G1s3dn+l9grAt1+l16sK7/PArkwRiOAlLdBK122cMYc2kpMyhnV8VLdbjJP6FYDvXGACQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:53:05.129286Z","bundle_sha256":"90b4d4c9e24b34ec2f2df6b1b5563bd62a708ec7e59e612105406f701ad60e2a"}}