{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3D6V4RWR2BZKWH3OTKFNVKCRK2","short_pith_number":"pith:3D6V4RWR","canonical_record":{"source":{"id":"1711.11584","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2017-11-30T18:57:16Z","cross_cats_sorted":[],"title_canon_sha256":"cc29aa4bd0b2f34edd2d8d18819e2a7d0b4188aff41b488663a1f5de189f6f9b","abstract_canon_sha256":"237fc5fcd65a59e5622c6733a78c0430439e8400abacc80d7930bd33a7f1db31"},"schema_version":"1.0"},"canonical_sha256":"d8fd5e46d1d072ab1f6e9a8adaa85156a31b7f2feb53c820571602f83a98204f","source":{"kind":"arxiv","id":"1711.11584","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.11584","created_at":"2026-05-18T00:29:11Z"},{"alias_kind":"arxiv_version","alias_value":"1711.11584v1","created_at":"2026-05-18T00:29:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.11584","created_at":"2026-05-18T00:29:11Z"},{"alias_kind":"pith_short_12","alias_value":"3D6V4RWR2BZK","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3D6V4RWR2BZKWH3O","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3D6V4RWR","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3D6V4RWR2BZKWH3OTKFNVKCRK2","target":"record","payload":{"canonical_record":{"source":{"id":"1711.11584","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2017-11-30T18:57:16Z","cross_cats_sorted":[],"title_canon_sha256":"cc29aa4bd0b2f34edd2d8d18819e2a7d0b4188aff41b488663a1f5de189f6f9b","abstract_canon_sha256":"237fc5fcd65a59e5622c6733a78c0430439e8400abacc80d7930bd33a7f1db31"},"schema_version":"1.0"},"canonical_sha256":"d8fd5e46d1d072ab1f6e9a8adaa85156a31b7f2feb53c820571602f83a98204f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:11.222304Z","signature_b64":"Z66xsQQVjFNgBKH8NmdzMjdohMOBCuVrLs8wYlczHSW9e8WNDxOZFFGlbW44jckcxHVaQcmONbJC26JydiSrCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8fd5e46d1d072ab1f6e9a8adaa85156a31b7f2feb53c820571602f83a98204f","last_reissued_at":"2026-05-18T00:29:11.221705Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:11.221705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.11584","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":"2026-05-18T00:29:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GCtSzFXrn6bx1VZp9Aj4i9MWDcC4Ycpq8eP4/Og+ti3LMXSQTTPBj9yXIEqCV9dVZFaF5rJ+hJ874pKoEmPWDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T07:30:37.347351Z"},"content_sha256":"516b3a82ad31cd7019b3d7f840ebc4e92fc817d0a36d8e404a2f78ecef2dd843","schema_version":"1.0","event_id":"sha256:516b3a82ad31cd7019b3d7f840ebc4e92fc817d0a36d8e404a2f78ecef2dd843"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3D6V4RWR2BZKWH3OTKFNVKCRK2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Different Shapes of the LIS Energy Spectra of Cosmic Ray He and C Nuclei Below ~1 GeV/nuc and The Cosmic Ray He/C Nuclei Ratio vs. Energy -V1 Measurements and LBM Propagation Predictions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"W.R. Webber","submitted_at":"2017-11-30T18:57:16Z","abstract_excerpt":"This paper examines the cosmic ray He and C nuclei spectra below ~1 GeV/nuc, as well as the very rapid increase in the He/C ratio below ~100 MeV/nuc, measured by Voyager 1 beyond the heliopause. Using a simple Leaky Box Model (LBM) for galactic propagation we have not been able to simultaneously reproduce the individual He and C nuclei spectra and the large increase in He/C ratio that is observed at low energies. However, using a truncated LBM with different truncation parameters for each nucleus that are related to their rate of energy loss by ionization which is ~Z2/A, these different featur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.11584","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":"2026-05-18T00:29:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6O54zcPV2/PGZctwfEvj1dpx3kDIR7ZHLsjEeTE0uMWI0eEs++Avc8iuhQrGdRl020f678PvzmgLEBDYE7m9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T07:30:37.348073Z"},"content_sha256":"3dd5f359b628a1c8f90f50e4fe0c5be02fc359e8fb73967726b1ec4b5618e1eb","schema_version":"1.0","event_id":"sha256:3dd5f359b628a1c8f90f50e4fe0c5be02fc359e8fb73967726b1ec4b5618e1eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3D6V4RWR2BZKWH3OTKFNVKCRK2/bundle.json","state_url":"https://pith.science/pith/3D6V4RWR2BZKWH3OTKFNVKCRK2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3D6V4RWR2BZKWH3OTKFNVKCRK2/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":"2026-06-10T07:30:37Z","links":{"resolver":"https://pith.science/pith/3D6V4RWR2BZKWH3OTKFNVKCRK2","bundle":"https://pith.science/pith/3D6V4RWR2BZKWH3OTKFNVKCRK2/bundle.json","state":"https://pith.science/pith/3D6V4RWR2BZKWH3OTKFNVKCRK2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3D6V4RWR2BZKWH3OTKFNVKCRK2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3D6V4RWR2BZKWH3OTKFNVKCRK2","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":"237fc5fcd65a59e5622c6733a78c0430439e8400abacc80d7930bd33a7f1db31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2017-11-30T18:57:16Z","title_canon_sha256":"cc29aa4bd0b2f34edd2d8d18819e2a7d0b4188aff41b488663a1f5de189f6f9b"},"schema_version":"1.0","source":{"id":"1711.11584","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.11584","created_at":"2026-05-18T00:29:11Z"},{"alias_kind":"arxiv_version","alias_value":"1711.11584v1","created_at":"2026-05-18T00:29:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.11584","created_at":"2026-05-18T00:29:11Z"},{"alias_kind":"pith_short_12","alias_value":"3D6V4RWR2BZK","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3D6V4RWR2BZKWH3O","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3D6V4RWR","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:3dd5f359b628a1c8f90f50e4fe0c5be02fc359e8fb73967726b1ec4b5618e1eb","target":"graph","created_at":"2026-05-18T00:29:11Z","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":"This paper examines the cosmic ray He and C nuclei spectra below ~1 GeV/nuc, as well as the very rapid increase in the He/C ratio below ~100 MeV/nuc, measured by Voyager 1 beyond the heliopause. Using a simple Leaky Box Model (LBM) for galactic propagation we have not been able to simultaneously reproduce the individual He and C nuclei spectra and the large increase in He/C ratio that is observed at low energies. However, using a truncated LBM with different truncation parameters for each nucleus that are related to their rate of energy loss by ionization which is ~Z2/A, these different featur","authors_text":"W.R. Webber","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2017-11-30T18:57:16Z","title":"The Different Shapes of the LIS Energy Spectra of Cosmic Ray He and C Nuclei Below ~1 GeV/nuc and The Cosmic Ray He/C Nuclei Ratio vs. Energy -V1 Measurements and LBM Propagation Predictions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.11584","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":"sha256:516b3a82ad31cd7019b3d7f840ebc4e92fc817d0a36d8e404a2f78ecef2dd843","target":"record","created_at":"2026-05-18T00:29:11Z","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":"237fc5fcd65a59e5622c6733a78c0430439e8400abacc80d7930bd33a7f1db31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2017-11-30T18:57:16Z","title_canon_sha256":"cc29aa4bd0b2f34edd2d8d18819e2a7d0b4188aff41b488663a1f5de189f6f9b"},"schema_version":"1.0","source":{"id":"1711.11584","kind":"arxiv","version":1}},"canonical_sha256":"d8fd5e46d1d072ab1f6e9a8adaa85156a31b7f2feb53c820571602f83a98204f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8fd5e46d1d072ab1f6e9a8adaa85156a31b7f2feb53c820571602f83a98204f","first_computed_at":"2026-05-18T00:29:11.221705Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:11.221705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z66xsQQVjFNgBKH8NmdzMjdohMOBCuVrLs8wYlczHSW9e8WNDxOZFFGlbW44jckcxHVaQcmONbJC26JydiSrCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:11.222304Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.11584","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:516b3a82ad31cd7019b3d7f840ebc4e92fc817d0a36d8e404a2f78ecef2dd843","sha256:3dd5f359b628a1c8f90f50e4fe0c5be02fc359e8fb73967726b1ec4b5618e1eb"],"state_sha256":"46d035159a837a26b49be4978aad173903c3089ab9142437a9ba9e7afbf7c704"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SzuHztlUObz7m92x/KUeprVgjaSnOJhHhqICJx2cayUEisB3xbhj453S/XhwsdgtVucpY6TR1shz5MOCmiLKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T07:30:37.352767Z","bundle_sha256":"aca63bfd8b9ac771e6e7145f939a32a1ecb72626073748d95c783f1f5c69f7eb"}}