{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:PB6BTWKCGEAE3BR7Q46JRXSDBL","short_pith_number":"pith:PB6BTWKC","schema_version":"1.0","canonical_sha256":"787c19d94231004d863f873c98de430acc242841cf6aa8f7f7b57a836ef4f912","source":{"kind":"arxiv","id":"1410.3799","version":2},"attestation_state":"computed","paper":{"title":"A new look at the cosmic ray positron fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Putze, C. Goy, G. Belanger, L. Tao, M. Boudaud, M. Vecchi, P. Salati, S. Aupetit, S. Caroff, S. Rosier, V. Poireau, V. Poulin, Y. Genolini","submitted_at":"2014-10-14T19:02:36Z","abstract_excerpt":"The positron fraction in cosmic rays was found to be a steadily increasing in function of energy, above $\\sim$ 10 GeV. This behaviour contradicts standard astrophysical mechanisms, in which positrons are secondary particles, produced in the interactions of primary cosmic rays during the propagation in the interstellar medium. The observed anomaly in the positron fraction triggered a lot of excitement, as it could be interpreted as an indirect signature of the presence of dark matter species in the Galaxy. Alternatively, it could be produced by nearby astrophysical sources, such as pulsars. Bot"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1410.3799","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-10-14T19:02:36Z","cross_cats_sorted":[],"title_canon_sha256":"11733d4423de5909bbfadd6e2210be7e292c9f1a8c0fb686a4b1d02f534722c9","abstract_canon_sha256":"aa61bd3f87480029f127c203b26ae499cb3c62198d15d303487680634580e300"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:31.492025Z","signature_b64":"Ldr6Ipe2yQwd1Wvtkk82up7aEMFsiF8t0a4ldF6paRxabH9SJGy/LUjjxGfD6A2hDuL09iBqjD8VQo93usphDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"787c19d94231004d863f873c98de430acc242841cf6aa8f7f7b57a836ef4f912","last_reissued_at":"2026-05-18T02:26:31.491640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:31.491640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A new look at the cosmic ray positron fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Putze, C. Goy, G. Belanger, L. Tao, M. Boudaud, M. Vecchi, P. Salati, S. Aupetit, S. Caroff, S. Rosier, V. Poireau, V. Poulin, Y. Genolini","submitted_at":"2014-10-14T19:02:36Z","abstract_excerpt":"The positron fraction in cosmic rays was found to be a steadily increasing in function of energy, above $\\sim$ 10 GeV. This behaviour contradicts standard astrophysical mechanisms, in which positrons are secondary particles, produced in the interactions of primary cosmic rays during the propagation in the interstellar medium. The observed anomaly in the positron fraction triggered a lot of excitement, as it could be interpreted as an indirect signature of the presence of dark matter species in the Galaxy. Alternatively, it could be produced by nearby astrophysical sources, such as pulsars. Bot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3799","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1410.3799","created_at":"2026-05-18T02:26:31.491702+00:00"},{"alias_kind":"arxiv_version","alias_value":"1410.3799v2","created_at":"2026-05-18T02:26:31.491702+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3799","created_at":"2026-05-18T02:26:31.491702+00:00"},{"alias_kind":"pith_short_12","alias_value":"PB6BTWKCGEAE","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_16","alias_value":"PB6BTWKCGEAE3BR7","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_8","alias_value":"PB6BTWKC","created_at":"2026-05-18T12:28:43.426989+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL","json":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL.json","graph_json":"https://pith.science/api/pith-number/PB6BTWKCGEAE3BR7Q46JRXSDBL/graph.json","events_json":"https://pith.science/api/pith-number/PB6BTWKCGEAE3BR7Q46JRXSDBL/events.json","paper":"https://pith.science/paper/PB6BTWKC"},"agent_actions":{"view_html":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL","download_json":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL.json","view_paper":"https://pith.science/paper/PB6BTWKC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1410.3799&json=true","fetch_graph":"https://pith.science/api/pith-number/PB6BTWKCGEAE3BR7Q46JRXSDBL/graph.json","fetch_events":"https://pith.science/api/pith-number/PB6BTWKCGEAE3BR7Q46JRXSDBL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL/action/storage_attestation","attest_author":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL/action/author_attestation","sign_citation":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL/action/citation_signature","submit_replication":"https://pith.science/pith/PB6BTWKCGEAE3BR7Q46JRXSDBL/action/replication_record"}},"created_at":"2026-05-18T02:26:31.491702+00:00","updated_at":"2026-05-18T02:26:31.491702+00:00"}