{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IFMRMHXEALW4XMTQNJRNY3GPDY","short_pith_number":"pith:IFMRMHXE","canonical_record":{"source":{"id":"1308.4426","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-08-20T20:22:53Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"cf3a766a655c15f47e315cac7375a34309dd91ec55b8a8247f8922695726832a","abstract_canon_sha256":"93ddc84272754caa49bbd2d63e0c9127b507fc293eda2f1b1adf57aad5c08e75"},"schema_version":"1.0"},"canonical_sha256":"4159161ee402edcbb2706a62dc6ccf1e0210b2d0c8231d70658a86b65d699cf1","source":{"kind":"arxiv","id":"1308.4426","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.4426","created_at":"2026-05-18T03:15:31Z"},{"alias_kind":"arxiv_version","alias_value":"1308.4426v1","created_at":"2026-05-18T03:15:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.4426","created_at":"2026-05-18T03:15:31Z"},{"alias_kind":"pith_short_12","alias_value":"IFMRMHXEALW4","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IFMRMHXEALW4XMTQ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IFMRMHXE","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IFMRMHXEALW4XMTQNJRNY3GPDY","target":"record","payload":{"canonical_record":{"source":{"id":"1308.4426","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-08-20T20:22:53Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"cf3a766a655c15f47e315cac7375a34309dd91ec55b8a8247f8922695726832a","abstract_canon_sha256":"93ddc84272754caa49bbd2d63e0c9127b507fc293eda2f1b1adf57aad5c08e75"},"schema_version":"1.0"},"canonical_sha256":"4159161ee402edcbb2706a62dc6ccf1e0210b2d0c8231d70658a86b65d699cf1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:31.878971Z","signature_b64":"nkVQLXog/3hmUhvojhRxE8MNSbmVMmi3yILgeUJlsIC1SV60AXd3ucFO67OMzFq6DTlbK3b+p3+IHSHQf93NCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4159161ee402edcbb2706a62dc6ccf1e0210b2d0c8231d70658a86b65d699cf1","last_reissued_at":"2026-05-18T03:15:31.878376Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:31.878376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.4426","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":"2026-05-18T03:15:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yEjQWHDzwDpnRtcv9eCGTLKWiA+dGd9q1PhV0vG/ZJSWTONtwNBP03GJZG36rO/RLXO0pq2Bo48G+GCZAKhMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:29:04.011739Z"},"content_sha256":"d329b95de3d4c413012cf974942ce970b960df40a2993f68c5cd22a458eef331","schema_version":"1.0","event_id":"sha256:d329b95de3d4c413012cf974942ce970b960df40a2993f68c5cd22a458eef331"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IFMRMHXEALW4XMTQNJRNY3GPDY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Comparison of the Galactic Cosmic Ray H, He and C/O Nuclei Spectra Measured Between ~5 and 500 MeV/nuc Beyond 122 AU at Voyager 1 with the Predictions of a Diffusion Model for Propagation in the Galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"physics.space-ph","authors_text":"F.B. McDonald, P.R. Higbie, W.R. Webber","submitted_at":"2013-08-20T20:22:53Z","abstract_excerpt":"After the disappearance of lower energy heliospheric particles at Voyager 1 starting on August 25th, 2012, spectra of H, He and C/O nuclei were revealed that resembled those to be expected for galactic cosmic rays. These spectra had intensity peaks in the range of 30-60 MeV, decreasing at both lower energies down to a few MeV and at higher energies up to several hundred MeV. We have modeled the propagation of these particles in the galaxy using an updated Leaky Box Diffusion model which determines the spectra of these components from ~2 MeV to >200 GeV. The key parameters used in the model are"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.4426","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":"2026-05-18T03:15:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cvZTQkujjex6WMP70ynJ6ECZuO9fzAEoOaxFlsKNl5haIPWO6ok6bwnKrIHltSKkd25jE1RZoij56i/DPA0/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:29:04.012353Z"},"content_sha256":"8530b61c71211ee9c54bd8a513f54d691c2d5e560febbd2d1bc8333b00b40ae1","schema_version":"1.0","event_id":"sha256:8530b61c71211ee9c54bd8a513f54d691c2d5e560febbd2d1bc8333b00b40ae1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IFMRMHXEALW4XMTQNJRNY3GPDY/bundle.json","state_url":"https://pith.science/pith/IFMRMHXEALW4XMTQNJRNY3GPDY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IFMRMHXEALW4XMTQNJRNY3GPDY/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":"2026-06-04T20:29:04Z","links":{"resolver":"https://pith.science/pith/IFMRMHXEALW4XMTQNJRNY3GPDY","bundle":"https://pith.science/pith/IFMRMHXEALW4XMTQNJRNY3GPDY/bundle.json","state":"https://pith.science/pith/IFMRMHXEALW4XMTQNJRNY3GPDY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IFMRMHXEALW4XMTQNJRNY3GPDY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IFMRMHXEALW4XMTQNJRNY3GPDY","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":"93ddc84272754caa49bbd2d63e0c9127b507fc293eda2f1b1adf57aad5c08e75","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-08-20T20:22:53Z","title_canon_sha256":"cf3a766a655c15f47e315cac7375a34309dd91ec55b8a8247f8922695726832a"},"schema_version":"1.0","source":{"id":"1308.4426","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.4426","created_at":"2026-05-18T03:15:31Z"},{"alias_kind":"arxiv_version","alias_value":"1308.4426v1","created_at":"2026-05-18T03:15:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.4426","created_at":"2026-05-18T03:15:31Z"},{"alias_kind":"pith_short_12","alias_value":"IFMRMHXEALW4","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IFMRMHXEALW4XMTQ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IFMRMHXE","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:8530b61c71211ee9c54bd8a513f54d691c2d5e560febbd2d1bc8333b00b40ae1","target":"graph","created_at":"2026-05-18T03:15:31Z","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":"After the disappearance of lower energy heliospheric particles at Voyager 1 starting on August 25th, 2012, spectra of H, He and C/O nuclei were revealed that resembled those to be expected for galactic cosmic rays. These spectra had intensity peaks in the range of 30-60 MeV, decreasing at both lower energies down to a few MeV and at higher energies up to several hundred MeV. We have modeled the propagation of these particles in the galaxy using an updated Leaky Box Diffusion model which determines the spectra of these components from ~2 MeV to >200 GeV. The key parameters used in the model are","authors_text":"F.B. McDonald, P.R. Higbie, W.R. Webber","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-08-20T20:22:53Z","title":"A Comparison of the Galactic Cosmic Ray H, He and C/O Nuclei Spectra Measured Between ~5 and 500 MeV/nuc Beyond 122 AU at Voyager 1 with the Predictions of a Diffusion Model for Propagation in the Galaxy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.4426","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:d329b95de3d4c413012cf974942ce970b960df40a2993f68c5cd22a458eef331","target":"record","created_at":"2026-05-18T03:15:31Z","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":"93ddc84272754caa49bbd2d63e0c9127b507fc293eda2f1b1adf57aad5c08e75","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2013-08-20T20:22:53Z","title_canon_sha256":"cf3a766a655c15f47e315cac7375a34309dd91ec55b8a8247f8922695726832a"},"schema_version":"1.0","source":{"id":"1308.4426","kind":"arxiv","version":1}},"canonical_sha256":"4159161ee402edcbb2706a62dc6ccf1e0210b2d0c8231d70658a86b65d699cf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4159161ee402edcbb2706a62dc6ccf1e0210b2d0c8231d70658a86b65d699cf1","first_computed_at":"2026-05-18T03:15:31.878376Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:31.878376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nkVQLXog/3hmUhvojhRxE8MNSbmVMmi3yILgeUJlsIC1SV60AXd3ucFO67OMzFq6DTlbK3b+p3+IHSHQf93NCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:31.878971Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.4426","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d329b95de3d4c413012cf974942ce970b960df40a2993f68c5cd22a458eef331","sha256:8530b61c71211ee9c54bd8a513f54d691c2d5e560febbd2d1bc8333b00b40ae1"],"state_sha256":"7dfa6cfa4f404737b634af8e37a03e984f609dc7475fdb9d02c84fea4e977f47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PJMYRW7Qf8l+KF1e227w5LdR1ImgqUwtSGebZrg4G/jahXchHH+Q56x2id8giPpVWoWX6CGmilwynaoXJG4WAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T20:29:04.014825Z","bundle_sha256":"dc9dbbb5ff7aa7bd4700902c146f159a64a9aed36269d629a12221c3e4c74e90"}}