{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:ABF7JNX7EBPVNH44IRI7FBIC6H","short_pith_number":"pith:ABF7JNX7","schema_version":"1.0","canonical_sha256":"004bf4b6ff205f569f9c4451f28502f1ccf1689c083136ca32346a60550d112f","source":{"kind":"arxiv","id":"1010.0894","version":2},"attestation_state":"computed","paper":{"title":"Propagation in the atmosphere of ultrahigh-energy charmed hadrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"hep-ph","authors_text":"J.I. Illana, M.D. Jenkins, M. Masip, R. Barcelo","submitted_at":"2010-10-05T14:24:45Z","abstract_excerpt":"Charmed mesons may be produced when a primary cosmic ray or the leading hadron in an air shower collide with an atmospheric nucleon. At energies \\ge 10^8 GeV their decay length becomes larger than 10 km, which implies that they tend to interact in the air instead of decaying. We study the collisions of long-lived charmed hadrons in the atmosphere. We show that (\\Lambda_c,D)-proton diffractive processes and partonic collisions of any q^2 where the charm quark is an spectator have lower inelasticity than (p,\\pi)-proton collisions. In particular, we find that a D meson deposits in each interactio"},"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":"1010.0894","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-10-05T14:24:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"551f58dc4a0e97542b9cda9c60542565e8751c473f664befe9ebb388b9d78e82","abstract_canon_sha256":"65cf6725f304e7ae88d47b6a6c8482373f85b9f2f4fccf88bcc02601069857cc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:13.169271Z","signature_b64":"pVDsGtVPoUQ8mbB+jB558SAdSS9zmDGUec4/n6jaMgDZJ6uV+yaB04bmqkDc3K0XBbwox3ZSenKXQ03tDWS9CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"004bf4b6ff205f569f9c4451f28502f1ccf1689c083136ca32346a60550d112f","last_reissued_at":"2026-05-18T04:26:13.168739Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:13.168739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Propagation in the atmosphere of ultrahigh-energy charmed hadrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"hep-ph","authors_text":"J.I. Illana, M.D. Jenkins, M. Masip, R. Barcelo","submitted_at":"2010-10-05T14:24:45Z","abstract_excerpt":"Charmed mesons may be produced when a primary cosmic ray or the leading hadron in an air shower collide with an atmospheric nucleon. At energies \\ge 10^8 GeV their decay length becomes larger than 10 km, which implies that they tend to interact in the air instead of decaying. We study the collisions of long-lived charmed hadrons in the atmosphere. We show that (\\Lambda_c,D)-proton diffractive processes and partonic collisions of any q^2 where the charm quark is an spectator have lower inelasticity than (p,\\pi)-proton collisions. In particular, we find that a D meson deposits in each interactio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.0894","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":"1010.0894","created_at":"2026-05-18T04:26:13.168816+00:00"},{"alias_kind":"arxiv_version","alias_value":"1010.0894v2","created_at":"2026-05-18T04:26:13.168816+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.0894","created_at":"2026-05-18T04:26:13.168816+00:00"},{"alias_kind":"pith_short_12","alias_value":"ABF7JNX7EBPV","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_16","alias_value":"ABF7JNX7EBPVNH44","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_8","alias_value":"ABF7JNX7","created_at":"2026-05-18T12:26:05.355336+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/ABF7JNX7EBPVNH44IRI7FBIC6H","json":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H.json","graph_json":"https://pith.science/api/pith-number/ABF7JNX7EBPVNH44IRI7FBIC6H/graph.json","events_json":"https://pith.science/api/pith-number/ABF7JNX7EBPVNH44IRI7FBIC6H/events.json","paper":"https://pith.science/paper/ABF7JNX7"},"agent_actions":{"view_html":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H","download_json":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H.json","view_paper":"https://pith.science/paper/ABF7JNX7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1010.0894&json=true","fetch_graph":"https://pith.science/api/pith-number/ABF7JNX7EBPVNH44IRI7FBIC6H/graph.json","fetch_events":"https://pith.science/api/pith-number/ABF7JNX7EBPVNH44IRI7FBIC6H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H/action/storage_attestation","attest_author":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H/action/author_attestation","sign_citation":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H/action/citation_signature","submit_replication":"https://pith.science/pith/ABF7JNX7EBPVNH44IRI7FBIC6H/action/replication_record"}},"created_at":"2026-05-18T04:26:13.168816+00:00","updated_at":"2026-05-18T04:26:13.168816+00:00"}