{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:KN5RPQ4UHMRPNXHKXJCJEW3QSY","short_pith_number":"pith:KN5RPQ4U","canonical_record":{"source":{"id":"1709.05184","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-15T13:10:36Z","cross_cats_sorted":[],"title_canon_sha256":"4f78230c6f0c52c24040f426919ffd11ef3b630232d16e88bac428977c645b83","abstract_canon_sha256":"7e907589a8ac15f4538431a59832019778f27fe5b549f3083da76f68ae3156ad"},"schema_version":"1.0"},"canonical_sha256":"537b17c3943b22f6dceaba44925b70962a662e4b48296a2e67cd66cad2504120","source":{"kind":"arxiv","id":"1709.05184","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05184","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05184v1","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05184","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"pith_short_12","alias_value":"KN5RPQ4UHMRP","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KN5RPQ4UHMRPNXHK","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KN5RPQ4U","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:KN5RPQ4UHMRPNXHKXJCJEW3QSY","target":"record","payload":{"canonical_record":{"source":{"id":"1709.05184","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-15T13:10:36Z","cross_cats_sorted":[],"title_canon_sha256":"4f78230c6f0c52c24040f426919ffd11ef3b630232d16e88bac428977c645b83","abstract_canon_sha256":"7e907589a8ac15f4538431a59832019778f27fe5b549f3083da76f68ae3156ad"},"schema_version":"1.0"},"canonical_sha256":"537b17c3943b22f6dceaba44925b70962a662e4b48296a2e67cd66cad2504120","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:43.410222Z","signature_b64":"dTB2VllkpoyY+K1m14vY48qPLQnQBNAn762+roSx/U9d/BPoyFkpcMFHvUuYY51eYp1QQG2TXLHMjl5Cp0EBDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"537b17c3943b22f6dceaba44925b70962a662e4b48296a2e67cd66cad2504120","last_reissued_at":"2026-05-18T00:27:43.408981Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:43.408981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.05184","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":"2026-05-18T00:27:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BLgm5WSYgPs67CF89x06kHx9Jjeu8XNiV6PLa3E2gOFjT1kiXY0AHgMj9KNm1cgkGE/l/VCxQeMJmUes9R1dAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T16:10:51.562734Z"},"content_sha256":"900a052f94536eaef7c71e886f01a3a63b55f3e302ea4d1c9a72bc0256909cef","schema_version":"1.0","event_id":"sha256:900a052f94536eaef7c71e886f01a3a63b55f3e302ea4d1c9a72bc0256909cef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:KN5RPQ4UHMRPNXHKXJCJEW3QSY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Estimation of a Coronal Mass Ejection Magnetic Field Strength using Radio Observations of Gyrosynchrotron Radiation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Br\\'ian \\'O Fearraigh, Eoin P. Carley, Nicole Vilmer, Paulo J. A. Sim\\~oes","submitted_at":"2017-09-15T13:10:36Z","abstract_excerpt":"Coronal mass ejections (CMEs) are large eruptions of plasma and magnetic field from the low solar corona into interplanetary space. These eruptions are often associated with the acceleration of energetic electrons which produce various sources of high intensity plasma emission. In relatively rare cases, the energetic electrons may also produce gyrosynchrotron emission from within the CME itself, allowing for a diagnostic of the CME magnetic field strength. Such a magnetic field diagnostic is important for evaluating the total magnetic energy content of the CME, which is ultimately what drives "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05184","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":"2026-05-18T00:27:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x+AkwpaZe4imP7SX7JFZ3irzj3v8GLo+VdVUqFYvvizUDIEX+FV97FrOMROFnfDpeHa9yEr0Wkt87pqfTXjzBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T16:10:51.563074Z"},"content_sha256":"140f1ff16598966e8ff6822fa5cdca366d72b1cd8c77b50a9644aac79f3daa7c","schema_version":"1.0","event_id":"sha256:140f1ff16598966e8ff6822fa5cdca366d72b1cd8c77b50a9644aac79f3daa7c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KN5RPQ4UHMRPNXHKXJCJEW3QSY/bundle.json","state_url":"https://pith.science/pith/KN5RPQ4UHMRPNXHKXJCJEW3QSY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KN5RPQ4UHMRPNXHKXJCJEW3QSY/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":"2026-06-30T16:10:51Z","links":{"resolver":"https://pith.science/pith/KN5RPQ4UHMRPNXHKXJCJEW3QSY","bundle":"https://pith.science/pith/KN5RPQ4UHMRPNXHKXJCJEW3QSY/bundle.json","state":"https://pith.science/pith/KN5RPQ4UHMRPNXHKXJCJEW3QSY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KN5RPQ4UHMRPNXHKXJCJEW3QSY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KN5RPQ4UHMRPNXHKXJCJEW3QSY","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":"7e907589a8ac15f4538431a59832019778f27fe5b549f3083da76f68ae3156ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-15T13:10:36Z","title_canon_sha256":"4f78230c6f0c52c24040f426919ffd11ef3b630232d16e88bac428977c645b83"},"schema_version":"1.0","source":{"id":"1709.05184","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05184","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05184v1","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05184","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"pith_short_12","alias_value":"KN5RPQ4UHMRP","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KN5RPQ4UHMRPNXHK","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KN5RPQ4U","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:140f1ff16598966e8ff6822fa5cdca366d72b1cd8c77b50a9644aac79f3daa7c","target":"graph","created_at":"2026-05-18T00:27:43Z","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":"Coronal mass ejections (CMEs) are large eruptions of plasma and magnetic field from the low solar corona into interplanetary space. These eruptions are often associated with the acceleration of energetic electrons which produce various sources of high intensity plasma emission. In relatively rare cases, the energetic electrons may also produce gyrosynchrotron emission from within the CME itself, allowing for a diagnostic of the CME magnetic field strength. Such a magnetic field diagnostic is important for evaluating the total magnetic energy content of the CME, which is ultimately what drives ","authors_text":"Br\\'ian \\'O Fearraigh, Eoin P. Carley, Nicole Vilmer, Paulo J. A. Sim\\~oes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-15T13:10:36Z","title":"Estimation of a Coronal Mass Ejection Magnetic Field Strength using Radio Observations of Gyrosynchrotron Radiation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05184","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":"sha256:900a052f94536eaef7c71e886f01a3a63b55f3e302ea4d1c9a72bc0256909cef","target":"record","created_at":"2026-05-18T00:27:43Z","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":"7e907589a8ac15f4538431a59832019778f27fe5b549f3083da76f68ae3156ad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-15T13:10:36Z","title_canon_sha256":"4f78230c6f0c52c24040f426919ffd11ef3b630232d16e88bac428977c645b83"},"schema_version":"1.0","source":{"id":"1709.05184","kind":"arxiv","version":1}},"canonical_sha256":"537b17c3943b22f6dceaba44925b70962a662e4b48296a2e67cd66cad2504120","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"537b17c3943b22f6dceaba44925b70962a662e4b48296a2e67cd66cad2504120","first_computed_at":"2026-05-18T00:27:43.408981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:43.408981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dTB2VllkpoyY+K1m14vY48qPLQnQBNAn762+roSx/U9d/BPoyFkpcMFHvUuYY51eYp1QQG2TXLHMjl5Cp0EBDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:43.410222Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.05184","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:900a052f94536eaef7c71e886f01a3a63b55f3e302ea4d1c9a72bc0256909cef","sha256:140f1ff16598966e8ff6822fa5cdca366d72b1cd8c77b50a9644aac79f3daa7c"],"state_sha256":"834ca48b97ee41bff818d4989df3079a11722f375e633bc62d7d4494b166983d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyfzMv9VWmMdH404zEsea97v/9GQefnDzeM5e5+oa+KuYHiJh4cpMRN3D6OdpJDzUFUMAgbWX5/Bl6cK11jXCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T16:10:51.565118Z","bundle_sha256":"a78716085505dfae23187b04ce4e8927fc8a9feb5baf28095485622db8f05182"}}