{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4YIMAE5FKPN7STXHF2FEB6TSMO","short_pith_number":"pith:4YIMAE5F","canonical_record":{"source":{"id":"1701.04866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:03:54Z","cross_cats_sorted":["astro-ph.HE","hep-ex"],"title_canon_sha256":"1aea000a4370cbaf777652961e45912d5023adba7750352507ca7e71cc381cdc","abstract_canon_sha256":"4f88ea9139c24e8570526395b56205e022abff3f473df73431381ad7d54445f2"},"schema_version":"1.0"},"canonical_sha256":"e610c013a553dbf94ee72e8a40fa7263a6cb65721ce5f7578f366f7ffaee8b0d","source":{"kind":"arxiv","id":"1701.04866","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04866","created_at":"2026-05-18T00:49:09Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04866v1","created_at":"2026-05-18T00:49:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04866","created_at":"2026-05-18T00:49:09Z"},{"alias_kind":"pith_short_12","alias_value":"4YIMAE5FKPN7","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4YIMAE5FKPN7STXH","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4YIMAE5F","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4YIMAE5FKPN7STXHF2FEB6TSMO","target":"record","payload":{"canonical_record":{"source":{"id":"1701.04866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:03:54Z","cross_cats_sorted":["astro-ph.HE","hep-ex"],"title_canon_sha256":"1aea000a4370cbaf777652961e45912d5023adba7750352507ca7e71cc381cdc","abstract_canon_sha256":"4f88ea9139c24e8570526395b56205e022abff3f473df73431381ad7d54445f2"},"schema_version":"1.0"},"canonical_sha256":"e610c013a553dbf94ee72e8a40fa7263a6cb65721ce5f7578f366f7ffaee8b0d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:09.824210Z","signature_b64":"iPi8HjvZXC/plG91s0igrFKLImRqN0F+auRDjEOcJkxLElCZ0m3ADY2+N5kXSVAGGadalmKdyR7R/pmce/ENAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e610c013a553dbf94ee72e8a40fa7263a6cb65721ce5f7578f366f7ffaee8b0d","last_reissued_at":"2026-05-18T00:49:09.823786Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:09.823786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.04866","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":"2026-05-18T00:49:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r1+Aaqectsw00cdIbAj3Ts2o4b0WDFCzUDJyqISp2SgHcaWKlwY2mt8b5aIpFNLB/7tHUex0yRYYNlvIcFboDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:41:43.088086Z"},"content_sha256":"cb4537f6d10bf2e1ba1485a4bb2fb2aae95af7b5dbf6270118fdf4c6a7ebeff8","schema_version":"1.0","event_id":"sha256:cb4537f6d10bf2e1ba1485a4bb2fb2aae95af7b5dbf6270118fdf4c6a7ebeff8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4YIMAE5FKPN7STXHF2FEB6TSMO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic Ray Antiprotons at High Energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ex"],"primary_cat":"hep-ph","authors_text":"Martin Wolfgang Winkler","submitted_at":"2017-01-17T21:03:54Z","abstract_excerpt":"Cosmic ray antiprotons provide a powerful tool to probe dark matter annihilations in our galaxy. The sensitivity of this important channel is, however, diluted by sizable uncertainties in the secondary antiproton background. In this work, we improve the calculation of secondary antiproton production with a particular focus on the high energy regime. We employ the most recent collider data and identify a substantial increase of antiproton cross sections with energy. This increase is driven by the violation of Feynman scaling as well as by an enhanced strange hyperon production. The updated anti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04866","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":"2026-05-18T00:49:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CSFi7yrLSP7S/bIpznMvhYsrttcs8ALLh+r948ba6apa89DjQluUm3Zysg7ElirjIxstubvN9Ag04afAXY7iAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:41:43.088819Z"},"content_sha256":"2010040ec0d73026b546e7d041b4c1ba2f2d7667fa8d28cb40d4db851ca7f29e","schema_version":"1.0","event_id":"sha256:2010040ec0d73026b546e7d041b4c1ba2f2d7667fa8d28cb40d4db851ca7f29e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4YIMAE5FKPN7STXHF2FEB6TSMO/bundle.json","state_url":"https://pith.science/pith/4YIMAE5FKPN7STXHF2FEB6TSMO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4YIMAE5FKPN7STXHF2FEB6TSMO/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":"2026-05-29T15:41:43Z","links":{"resolver":"https://pith.science/pith/4YIMAE5FKPN7STXHF2FEB6TSMO","bundle":"https://pith.science/pith/4YIMAE5FKPN7STXHF2FEB6TSMO/bundle.json","state":"https://pith.science/pith/4YIMAE5FKPN7STXHF2FEB6TSMO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4YIMAE5FKPN7STXHF2FEB6TSMO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4YIMAE5FKPN7STXHF2FEB6TSMO","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":"4f88ea9139c24e8570526395b56205e022abff3f473df73431381ad7d54445f2","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:03:54Z","title_canon_sha256":"1aea000a4370cbaf777652961e45912d5023adba7750352507ca7e71cc381cdc"},"schema_version":"1.0","source":{"id":"1701.04866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04866","created_at":"2026-05-18T00:49:09Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04866v1","created_at":"2026-05-18T00:49:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04866","created_at":"2026-05-18T00:49:09Z"},{"alias_kind":"pith_short_12","alias_value":"4YIMAE5FKPN7","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4YIMAE5FKPN7STXH","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4YIMAE5F","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:2010040ec0d73026b546e7d041b4c1ba2f2d7667fa8d28cb40d4db851ca7f29e","target":"graph","created_at":"2026-05-18T00:49:09Z","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":"Cosmic ray antiprotons provide a powerful tool to probe dark matter annihilations in our galaxy. The sensitivity of this important channel is, however, diluted by sizable uncertainties in the secondary antiproton background. In this work, we improve the calculation of secondary antiproton production with a particular focus on the high energy regime. We employ the most recent collider data and identify a substantial increase of antiproton cross sections with energy. This increase is driven by the violation of Feynman scaling as well as by an enhanced strange hyperon production. The updated anti","authors_text":"Martin Wolfgang Winkler","cross_cats":["astro-ph.HE","hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:03:54Z","title":"Cosmic Ray Antiprotons at High Energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04866","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:cb4537f6d10bf2e1ba1485a4bb2fb2aae95af7b5dbf6270118fdf4c6a7ebeff8","target":"record","created_at":"2026-05-18T00:49:09Z","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":"4f88ea9139c24e8570526395b56205e022abff3f473df73431381ad7d54445f2","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-17T21:03:54Z","title_canon_sha256":"1aea000a4370cbaf777652961e45912d5023adba7750352507ca7e71cc381cdc"},"schema_version":"1.0","source":{"id":"1701.04866","kind":"arxiv","version":1}},"canonical_sha256":"e610c013a553dbf94ee72e8a40fa7263a6cb65721ce5f7578f366f7ffaee8b0d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e610c013a553dbf94ee72e8a40fa7263a6cb65721ce5f7578f366f7ffaee8b0d","first_computed_at":"2026-05-18T00:49:09.823786Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:49:09.823786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iPi8HjvZXC/plG91s0igrFKLImRqN0F+auRDjEOcJkxLElCZ0m3ADY2+N5kXSVAGGadalmKdyR7R/pmce/ENAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:49:09.824210Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.04866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb4537f6d10bf2e1ba1485a4bb2fb2aae95af7b5dbf6270118fdf4c6a7ebeff8","sha256:2010040ec0d73026b546e7d041b4c1ba2f2d7667fa8d28cb40d4db851ca7f29e"],"state_sha256":"3475d0f5edd1e151e57451538b5345b3805480f80a5a8530f7f8871d0ae90674"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UnwNPMh44xsncHgZPpSSaUMXfu3ZTAB0RWyRvTVwEcV2v7s7oTF7QJFu+UpH8wi3JNGTt72fSk5b6ySV1R5BDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:41:43.092788Z","bundle_sha256":"bf4d0d686d12a5849edba6724d72829d8e6bdfa910b8092ad56cb9a2012e0edd"}}