{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XEZDWJ5GGER2F4ZRU4TOPMTS4D","short_pith_number":"pith:XEZDWJ5G","canonical_record":{"source":{"id":"1705.03327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-09T13:43:39Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"b24281657e84208c7d811a120d8911efb02e5b5e37ef3510338d902e1e99e620","abstract_canon_sha256":"920725fc015c9f602b4658da96bd0e121d61ef9f1d0f00d3d074ae83978cfd0c"},"schema_version":"1.0"},"canonical_sha256":"b9323b27a63123a2f331a726e7b272e0e07cb1a14ebaa2524d71b834689d550a","source":{"kind":"arxiv","id":"1705.03327","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03327","created_at":"2026-05-18T00:44:48Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03327v1","created_at":"2026-05-18T00:44:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03327","created_at":"2026-05-18T00:44:48Z"},{"alias_kind":"pith_short_12","alias_value":"XEZDWJ5GGER2","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XEZDWJ5GGER2F4ZR","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XEZDWJ5G","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XEZDWJ5GGER2F4ZRU4TOPMTS4D","target":"record","payload":{"canonical_record":{"source":{"id":"1705.03327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-09T13:43:39Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"b24281657e84208c7d811a120d8911efb02e5b5e37ef3510338d902e1e99e620","abstract_canon_sha256":"920725fc015c9f602b4658da96bd0e121d61ef9f1d0f00d3d074ae83978cfd0c"},"schema_version":"1.0"},"canonical_sha256":"b9323b27a63123a2f331a726e7b272e0e07cb1a14ebaa2524d71b834689d550a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:48.250415Z","signature_b64":"xZPztqa9Cvw+bIbutu52h+jQh52wKOD16HWf3YeYNQvbRT2vRcB47ReLOvcMZKPdTqIxYx24sxIFADEeL0ACCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9323b27a63123a2f331a726e7b272e0e07cb1a14ebaa2524d71b834689d550a","last_reissued_at":"2026-05-18T00:44:48.249792Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:48.249792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.03327","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":"2026-05-18T00:44:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SsSZRJlU6kitOwU8lSAYmHCWz/8rwu7/Dp2wUgdYYZ5O3lTA+rZlHxWd22gf2osQc1POclDNNp7r1/ksSDi3AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:21:01.059070Z"},"content_sha256":"e8dc611b42fb0eb7bd070971446e35c8389ef96bd71db87e574af7ca49d9d9fa","schema_version":"1.0","event_id":"sha256:e8dc611b42fb0eb7bd070971446e35c8389ef96bd71db87e574af7ca49d9d9fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XEZDWJ5GGER2F4ZRU4TOPMTS4D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Helium Energetic Neutral Atoms from the Heliosphere: Perspectives for Future Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Maciej Bzowski, Pawe{\\l} Swaczyna, Stan Grzedzielski","submitted_at":"2017-05-09T13:43:39Z","abstract_excerpt":"Observations of energetic neutral atoms (ENAs) allow for remote sensing of plasma properties in distant regions of the heliosphere. So far, most of the observations have concerned only hydrogen atoms. In this paper, we present perspectives for observations of helium energetic neutral atoms (He ENAs). We calculated the expected intensities of He ENAs created by the neutralization of helium ions in the inner heliosheath and through the secondary ENA mechanism in the outer heliosheath. We found that the dominant source region for He ENAs is the inner heliosheath. The obtained magnitudes of intens"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03327","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":"2026-05-18T00:44:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1C2MHBIqBweJr59M44ufQ/i9BAnUIUDhDZ7meB/uimfsqmgv0DZQjOdRKvNvPocCSkHmStdpKdbXhNG4HQP6Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:21:01.059709Z"},"content_sha256":"2ff479d607357a4fa2b9521add642eb1209b236c995da5495d7d77c476f598fb","schema_version":"1.0","event_id":"sha256:2ff479d607357a4fa2b9521add642eb1209b236c995da5495d7d77c476f598fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XEZDWJ5GGER2F4ZRU4TOPMTS4D/bundle.json","state_url":"https://pith.science/pith/XEZDWJ5GGER2F4ZRU4TOPMTS4D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XEZDWJ5GGER2F4ZRU4TOPMTS4D/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":"2026-05-26T15:21:01Z","links":{"resolver":"https://pith.science/pith/XEZDWJ5GGER2F4ZRU4TOPMTS4D","bundle":"https://pith.science/pith/XEZDWJ5GGER2F4ZRU4TOPMTS4D/bundle.json","state":"https://pith.science/pith/XEZDWJ5GGER2F4ZRU4TOPMTS4D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XEZDWJ5GGER2F4ZRU4TOPMTS4D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XEZDWJ5GGER2F4ZRU4TOPMTS4D","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":"920725fc015c9f602b4658da96bd0e121d61ef9f1d0f00d3d074ae83978cfd0c","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-09T13:43:39Z","title_canon_sha256":"b24281657e84208c7d811a120d8911efb02e5b5e37ef3510338d902e1e99e620"},"schema_version":"1.0","source":{"id":"1705.03327","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03327","created_at":"2026-05-18T00:44:48Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03327v1","created_at":"2026-05-18T00:44:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03327","created_at":"2026-05-18T00:44:48Z"},{"alias_kind":"pith_short_12","alias_value":"XEZDWJ5GGER2","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XEZDWJ5GGER2F4ZR","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XEZDWJ5G","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:2ff479d607357a4fa2b9521add642eb1209b236c995da5495d7d77c476f598fb","target":"graph","created_at":"2026-05-18T00:44:48Z","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":"Observations of energetic neutral atoms (ENAs) allow for remote sensing of plasma properties in distant regions of the heliosphere. So far, most of the observations have concerned only hydrogen atoms. In this paper, we present perspectives for observations of helium energetic neutral atoms (He ENAs). We calculated the expected intensities of He ENAs created by the neutralization of helium ions in the inner heliosheath and through the secondary ENA mechanism in the outer heliosheath. We found that the dominant source region for He ENAs is the inner heliosheath. The obtained magnitudes of intens","authors_text":"Maciej Bzowski, Pawe{\\l} Swaczyna, Stan Grzedzielski","cross_cats":["physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-09T13:43:39Z","title":"Helium Energetic Neutral Atoms from the Heliosphere: Perspectives for Future Observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03327","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:e8dc611b42fb0eb7bd070971446e35c8389ef96bd71db87e574af7ca49d9d9fa","target":"record","created_at":"2026-05-18T00:44:48Z","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":"920725fc015c9f602b4658da96bd0e121d61ef9f1d0f00d3d074ae83978cfd0c","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-09T13:43:39Z","title_canon_sha256":"b24281657e84208c7d811a120d8911efb02e5b5e37ef3510338d902e1e99e620"},"schema_version":"1.0","source":{"id":"1705.03327","kind":"arxiv","version":1}},"canonical_sha256":"b9323b27a63123a2f331a726e7b272e0e07cb1a14ebaa2524d71b834689d550a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9323b27a63123a2f331a726e7b272e0e07cb1a14ebaa2524d71b834689d550a","first_computed_at":"2026-05-18T00:44:48.249792Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:48.249792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xZPztqa9Cvw+bIbutu52h+jQh52wKOD16HWf3YeYNQvbRT2vRcB47ReLOvcMZKPdTqIxYx24sxIFADEeL0ACCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:48.250415Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.03327","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8dc611b42fb0eb7bd070971446e35c8389ef96bd71db87e574af7ca49d9d9fa","sha256:2ff479d607357a4fa2b9521add642eb1209b236c995da5495d7d77c476f598fb"],"state_sha256":"81314796c1277296625715af103c54bc7c92a8d234c86f063f88ca22f1e81b10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oQmfiZ+xv3Z02lQTAViF+3GtOpiDDWrb8+ZrA7ZCZgHbj0vzRK38ONf4ZCOnal1HCUAVB9sKnD07tGfNTExFDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:21:01.062825Z","bundle_sha256":"88944a5ce9bd21c79ea0b4ef882e2000bdccf4032817d76be0c85ab0b3afd32a"}}