{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PO3HDC52YXVK3YCJIC4T4VSVC4","short_pith_number":"pith:PO3HDC52","canonical_record":{"source":{"id":"1810.06633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-10-15T19:38:37Z","cross_cats_sorted":[],"title_canon_sha256":"c468b6c038a136cfe5a8f9e4995c2b503975a73f90982de7cfff16223bd8d5fd","abstract_canon_sha256":"670bcca4b632fbfa9221be1ec1ec2a3f7b1032591c3ea1be31ba608d473aba93"},"schema_version":"1.0"},"canonical_sha256":"7bb6718bbac5eaade04940b93e56551711e16badb497183ada300db44a026413","source":{"kind":"arxiv","id":"1810.06633","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06633","created_at":"2026-05-18T00:03:12Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06633v1","created_at":"2026-05-18T00:03:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06633","created_at":"2026-05-18T00:03:12Z"},{"alias_kind":"pith_short_12","alias_value":"PO3HDC52YXVK","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PO3HDC52YXVK3YCJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PO3HDC52","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PO3HDC52YXVK3YCJIC4T4VSVC4","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-10-15T19:38:37Z","cross_cats_sorted":[],"title_canon_sha256":"c468b6c038a136cfe5a8f9e4995c2b503975a73f90982de7cfff16223bd8d5fd","abstract_canon_sha256":"670bcca4b632fbfa9221be1ec1ec2a3f7b1032591c3ea1be31ba608d473aba93"},"schema_version":"1.0"},"canonical_sha256":"7bb6718bbac5eaade04940b93e56551711e16badb497183ada300db44a026413","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:12.156181Z","signature_b64":"3dh1cWIz5LmEXj37UU8C2ZInQwRFx99VyyzDQcBFrLpug2XAv9hwZdc7PNHbr91R2KvVm9dZpYAQc07W7D0kBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bb6718bbac5eaade04940b93e56551711e16badb497183ada300db44a026413","last_reissued_at":"2026-05-18T00:03:12.155502Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:12.155502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06633","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":"2026-05-18T00:03:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cZkJSgank793havQDDiIoPbv9mfZC1/8keNDTHUVzMrKpyNViW8CwJQAARcAmDcDrzB+W095MpNmQQwDKbmDDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:21:24.559149Z"},"content_sha256":"0c7576f1d329e5bf418d5c7a75e548763d0f2573f6a85abbcddb8b2aaa10bbcf","schema_version":"1.0","event_id":"sha256:0c7576f1d329e5bf418d5c7a75e548763d0f2573f6a85abbcddb8b2aaa10bbcf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PO3HDC52YXVK3YCJIC4T4VSVC4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Science with an ngVLA: Observations of the Solar Wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"T. S. Bastian","submitted_at":"2018-10-15T19:38:37Z","abstract_excerpt":"The ngVLA has the potential to play a significant role in characterizing properties of the outer corona and the heating and acceleration of the solar wind into the inner heliosphere. In particular, using distant background sources to transilluminate the foreground corona and solar wind, a variety of radio propagation phenomena can be used to map plasma properties as a function of solar elongation and position angle throughout the solar cycle. These include angular broadening, interplanetary scintillations, and differential Faraday rotation, which can be used to map the solar wind velocity, det"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06633","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":"2026-05-18T00:03:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X6/TmwrlyOV0WfMHJm+ZPHrT5VAhi4VGUFjViMYd3oOsDJpJKOgiK1149XgR/EF2NuCGVax+82wuhLAxhcaZAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:21:24.559839Z"},"content_sha256":"978c60a72639df059009368f93efc6309b63679650c801b10406387bc675da2e","schema_version":"1.0","event_id":"sha256:978c60a72639df059009368f93efc6309b63679650c801b10406387bc675da2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PO3HDC52YXVK3YCJIC4T4VSVC4/bundle.json","state_url":"https://pith.science/pith/PO3HDC52YXVK3YCJIC4T4VSVC4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PO3HDC52YXVK3YCJIC4T4VSVC4/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":"2026-05-27T13:21:24Z","links":{"resolver":"https://pith.science/pith/PO3HDC52YXVK3YCJIC4T4VSVC4","bundle":"https://pith.science/pith/PO3HDC52YXVK3YCJIC4T4VSVC4/bundle.json","state":"https://pith.science/pith/PO3HDC52YXVK3YCJIC4T4VSVC4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PO3HDC52YXVK3YCJIC4T4VSVC4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PO3HDC52YXVK3YCJIC4T4VSVC4","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":"670bcca4b632fbfa9221be1ec1ec2a3f7b1032591c3ea1be31ba608d473aba93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-10-15T19:38:37Z","title_canon_sha256":"c468b6c038a136cfe5a8f9e4995c2b503975a73f90982de7cfff16223bd8d5fd"},"schema_version":"1.0","source":{"id":"1810.06633","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06633","created_at":"2026-05-18T00:03:12Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06633v1","created_at":"2026-05-18T00:03:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06633","created_at":"2026-05-18T00:03:12Z"},{"alias_kind":"pith_short_12","alias_value":"PO3HDC52YXVK","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PO3HDC52YXVK3YCJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PO3HDC52","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:978c60a72639df059009368f93efc6309b63679650c801b10406387bc675da2e","target":"graph","created_at":"2026-05-18T00:03:12Z","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":"The ngVLA has the potential to play a significant role in characterizing properties of the outer corona and the heating and acceleration of the solar wind into the inner heliosphere. In particular, using distant background sources to transilluminate the foreground corona and solar wind, a variety of radio propagation phenomena can be used to map plasma properties as a function of solar elongation and position angle throughout the solar cycle. These include angular broadening, interplanetary scintillations, and differential Faraday rotation, which can be used to map the solar wind velocity, det","authors_text":"T. S. Bastian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-10-15T19:38:37Z","title":"Science with an ngVLA: Observations of the Solar Wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06633","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":"sha256:0c7576f1d329e5bf418d5c7a75e548763d0f2573f6a85abbcddb8b2aaa10bbcf","target":"record","created_at":"2026-05-18T00:03:12Z","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":"670bcca4b632fbfa9221be1ec1ec2a3f7b1032591c3ea1be31ba608d473aba93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-10-15T19:38:37Z","title_canon_sha256":"c468b6c038a136cfe5a8f9e4995c2b503975a73f90982de7cfff16223bd8d5fd"},"schema_version":"1.0","source":{"id":"1810.06633","kind":"arxiv","version":1}},"canonical_sha256":"7bb6718bbac5eaade04940b93e56551711e16badb497183ada300db44a026413","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7bb6718bbac5eaade04940b93e56551711e16badb497183ada300db44a026413","first_computed_at":"2026-05-18T00:03:12.155502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:12.155502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3dh1cWIz5LmEXj37UU8C2ZInQwRFx99VyyzDQcBFrLpug2XAv9hwZdc7PNHbr91R2KvVm9dZpYAQc07W7D0kBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:12.156181Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06633","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c7576f1d329e5bf418d5c7a75e548763d0f2573f6a85abbcddb8b2aaa10bbcf","sha256:978c60a72639df059009368f93efc6309b63679650c801b10406387bc675da2e"],"state_sha256":"35c288bef3e6d3198ccfa5983da2407528ae1b5ed41ba34f86e4e97d4cf33da5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q+ZaCjr58S5emCyUByO7XBXODcQOu5m0AQ80GYim19knBmuTFml2nBDb08MfJ0vr12KZGB+k1IFu/daRtrBNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:21:24.563633Z","bundle_sha256":"345b4841224d5ca1169e280cb3a94e0aacbf8796b4a134ff29d59a9114ced2ac"}}