{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:L6ANBVA2MBIMVRDT3YGXJ56C7J","short_pith_number":"pith:L6ANBVA2","canonical_record":{"source":{"id":"1701.04406","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-16T19:00:00Z","cross_cats_sorted":["hep-ph","physics.space-ph"],"title_canon_sha256":"d4efa0a80de7f59a688cb26f8c524ef81fee7dff66001dddfa4f062dd1eda761","abstract_canon_sha256":"e15903789bff979a3ab1828919b92f816345a36ddd13c4cf857e8807a702f3f4"},"schema_version":"1.0"},"canonical_sha256":"5f80d0d41a6050cac473de0d74f7c2fa614373964ce85bc4ac04a256a22ca808","source":{"kind":"arxiv","id":"1701.04406","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04406","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04406v2","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04406","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"pith_short_12","alias_value":"L6ANBVA2MBIM","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"L6ANBVA2MBIMVRDT","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"L6ANBVA2","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:L6ANBVA2MBIMVRDT3YGXJ56C7J","target":"record","payload":{"canonical_record":{"source":{"id":"1701.04406","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-16T19:00:00Z","cross_cats_sorted":["hep-ph","physics.space-ph"],"title_canon_sha256":"d4efa0a80de7f59a688cb26f8c524ef81fee7dff66001dddfa4f062dd1eda761","abstract_canon_sha256":"e15903789bff979a3ab1828919b92f816345a36ddd13c4cf857e8807a702f3f4"},"schema_version":"1.0"},"canonical_sha256":"5f80d0d41a6050cac473de0d74f7c2fa614373964ce85bc4ac04a256a22ca808","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:17.480172Z","signature_b64":"PtshiODNB3dGsYGSGyKcwSNe4nCF7GKlen3x8aGpu3RrZceaRNVXglgkzuTNzti02/bD0eQEmd3+dEvycPmtCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f80d0d41a6050cac473de0d74f7c2fa614373964ce85bc4ac04a256a22ca808","last_reissued_at":"2026-05-18T00:42:17.479539Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:17.479539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.04406","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:42:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/EU7fRXKygTyRrKVZqW27CiNcFjMp95uKx0W7CMPxCUePSpcS7VDNnNhJXNIyt6eskyrN6iB4Fkz6VrXzc1aAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:34:26.082598Z"},"content_sha256":"a106b3ebba18990e766531b9f72593dfe1ff45b919a30d4baf8703719ced8855","schema_version":"1.0","event_id":"sha256:a106b3ebba18990e766531b9f72593dfe1ff45b919a30d4baf8703719ced8855"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:L6ANBVA2MBIMVRDT3YGXJ56C7J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Possible Evidence for the Stochastic Acceleration of Secondary Antiprotons by Supernova Remnants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","physics.space-ph"],"primary_cat":"astro-ph.HE","authors_text":"Dan Hooper, Ilias Cholis, Tim Linden","submitted_at":"2017-01-16T19:00:00Z","abstract_excerpt":"The antiproton-to-proton ratio in the cosmic-ray spectrum is a sensitive probe of new physics. Using recent measurements of the cosmic-ray antiproton and proton fluxes in the energy range of 1-1000 GeV, we study the contribution to the $\\bar{p}/p$ ratio from secondary antiprotons that are produced and subsequently accelerated within individual supernova remnants. We consider several well-motivated models for cosmic-ray propagation in the interstellar medium and marginalize our results over the uncertainties related to the antiproton production cross section and the time-, charge-, and energy-d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04406","kind":"arxiv","version":2},"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":"2026-05-18T00:42:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WxHOAPcisIKTfIzIcwU/D0QsDYPKJfdzIMUznWTLyrXM641nwjnv10T24pvxBkQsWlCP0ygoveN8q72TVkMwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:34:26.083229Z"},"content_sha256":"9520053903dad59f264b63d1c623d6a0adf4a8e5339110eb2b6fcb05f0334b46","schema_version":"1.0","event_id":"sha256:9520053903dad59f264b63d1c623d6a0adf4a8e5339110eb2b6fcb05f0334b46"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L6ANBVA2MBIMVRDT3YGXJ56C7J/bundle.json","state_url":"https://pith.science/pith/L6ANBVA2MBIMVRDT3YGXJ56C7J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L6ANBVA2MBIMVRDT3YGXJ56C7J/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":"2026-05-30T13:34:26Z","links":{"resolver":"https://pith.science/pith/L6ANBVA2MBIMVRDT3YGXJ56C7J","bundle":"https://pith.science/pith/L6ANBVA2MBIMVRDT3YGXJ56C7J/bundle.json","state":"https://pith.science/pith/L6ANBVA2MBIMVRDT3YGXJ56C7J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L6ANBVA2MBIMVRDT3YGXJ56C7J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:L6ANBVA2MBIMVRDT3YGXJ56C7J","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":"e15903789bff979a3ab1828919b92f816345a36ddd13c4cf857e8807a702f3f4","cross_cats_sorted":["hep-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-16T19:00:00Z","title_canon_sha256":"d4efa0a80de7f59a688cb26f8c524ef81fee7dff66001dddfa4f062dd1eda761"},"schema_version":"1.0","source":{"id":"1701.04406","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04406","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04406v2","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04406","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"pith_short_12","alias_value":"L6ANBVA2MBIM","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"L6ANBVA2MBIMVRDT","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"L6ANBVA2","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:9520053903dad59f264b63d1c623d6a0adf4a8e5339110eb2b6fcb05f0334b46","target":"graph","created_at":"2026-05-18T00:42:17Z","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 antiproton-to-proton ratio in the cosmic-ray spectrum is a sensitive probe of new physics. Using recent measurements of the cosmic-ray antiproton and proton fluxes in the energy range of 1-1000 GeV, we study the contribution to the $\\bar{p}/p$ ratio from secondary antiprotons that are produced and subsequently accelerated within individual supernova remnants. We consider several well-motivated models for cosmic-ray propagation in the interstellar medium and marginalize our results over the uncertainties related to the antiproton production cross section and the time-, charge-, and energy-d","authors_text":"Dan Hooper, Ilias Cholis, Tim Linden","cross_cats":["hep-ph","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-16T19:00:00Z","title":"Possible Evidence for the Stochastic Acceleration of Secondary Antiprotons by Supernova Remnants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04406","kind":"arxiv","version":2},"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:a106b3ebba18990e766531b9f72593dfe1ff45b919a30d4baf8703719ced8855","target":"record","created_at":"2026-05-18T00:42:17Z","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":"e15903789bff979a3ab1828919b92f816345a36ddd13c4cf857e8807a702f3f4","cross_cats_sorted":["hep-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-16T19:00:00Z","title_canon_sha256":"d4efa0a80de7f59a688cb26f8c524ef81fee7dff66001dddfa4f062dd1eda761"},"schema_version":"1.0","source":{"id":"1701.04406","kind":"arxiv","version":2}},"canonical_sha256":"5f80d0d41a6050cac473de0d74f7c2fa614373964ce85bc4ac04a256a22ca808","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f80d0d41a6050cac473de0d74f7c2fa614373964ce85bc4ac04a256a22ca808","first_computed_at":"2026-05-18T00:42:17.479539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:17.479539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PtshiODNB3dGsYGSGyKcwSNe4nCF7GKlen3x8aGpu3RrZceaRNVXglgkzuTNzti02/bD0eQEmd3+dEvycPmtCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:17.480172Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.04406","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a106b3ebba18990e766531b9f72593dfe1ff45b919a30d4baf8703719ced8855","sha256:9520053903dad59f264b63d1c623d6a0adf4a8e5339110eb2b6fcb05f0334b46"],"state_sha256":"04153d039c092ce2e95e040cb9595d58edfcd2f8578c9ad932415a1c6721d6d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6N2V2sBYF9YbL18yoG9bJ06nvE5bZIp9hjh7bQU0WGUOFzh2C8eEYx/0QL70d6oPw6TMC5EXIGO0sM0rpzcGBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:34:26.086498Z","bundle_sha256":"e22874cb4bd54ee524f4c8bbf37a58e167afbed6129d7e9356baa49f584bc40e"}}