{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UFFXHM7INLTDGN6PK4HH5TPP2D","short_pith_number":"pith:UFFXHM7I","canonical_record":{"source":{"id":"1210.7072","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-10-26T09:11:14Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"2bf0e8bd47bbf3ced10630c5eba91fc340713ba96894b05ee393f4f72a38e5a3","abstract_canon_sha256":"e42892a22e1c7b878d9f34fbc4defff9acff07e3122cbd013bf4388446cac91e"},"schema_version":"1.0"},"canonical_sha256":"a14b73b3e86ae63337cf570e7ecdefd0ecd050fb4bffb859f5fbe8e93fc20c55","source":{"kind":"arxiv","id":"1210.7072","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.7072","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.7072v2","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.7072","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"UFFXHM7INLTD","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UFFXHM7INLTDGN6P","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UFFXHM7I","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UFFXHM7INLTDGN6PK4HH5TPP2D","target":"record","payload":{"canonical_record":{"source":{"id":"1210.7072","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-10-26T09:11:14Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"2bf0e8bd47bbf3ced10630c5eba91fc340713ba96894b05ee393f4f72a38e5a3","abstract_canon_sha256":"e42892a22e1c7b878d9f34fbc4defff9acff07e3122cbd013bf4388446cac91e"},"schema_version":"1.0"},"canonical_sha256":"a14b73b3e86ae63337cf570e7ecdefd0ecd050fb4bffb859f5fbe8e93fc20c55","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:37.331871Z","signature_b64":"ZNBjnkODNcMYQ3OB1Jo8lP7GaM/CLvPHxdLyRtfIU/Ubi+M1UIGbJPdpA/nv/ueq5Wzp8sPh5MZ+AD2qdzAXCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a14b73b3e86ae63337cf570e7ecdefd0ecd050fb4bffb859f5fbe8e93fc20c55","last_reissued_at":"2026-05-18T01:53:37.331341Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:37.331341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.7072","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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M9xR8AL5LCJXHBbniFdBzFd1Pccno/+pepqee5UN51hpSNAV2HoXH4oHlC3TROrAmjNK1MZiiXMadCt/EYBpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:25:43.439620Z"},"content_sha256":"f2d3d609e1a2c3533f97cb37aded574602efd539858a0231398526b857eaf28a","schema_version":"1.0","event_id":"sha256:f2d3d609e1a2c3533f97cb37aded574602efd539858a0231398526b857eaf28a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UFFXHM7INLTDGN6PK4HH5TPP2D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Production and propagation of heavy hadrons in air-shower simulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"C. A. Garcia Canal, J. I. Illana, M. Masip, S. J. Sciutto","submitted_at":"2012-10-26T09:11:14Z","abstract_excerpt":"Very energetic charm and bottom hadrons may be produced in the upper atmosphere when a primary cosmic ray or the leading hadron in an extensive air shower collide with a nucleon. At $E\\approx 10^8$ GeV their decay length becomes of the order of 10 km, implying that they tend to interact in the air instead of decaying. Since the inelasticity in these collisions is much smaller than the one in proton and pion collisions, there could be rare events where a heavy-hadron component transports a significant amount of energy deep into the atmosphere. We have developed a module for the detailed simulat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.7072","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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GoIvHfKITyZr7Wdk/C6mkmce9lo/4rNX8YvSsdmzvTpRgfq8heZf+M2vjE8nall02dCCpVT7uRzUcMLmIF30BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:25:43.439971Z"},"content_sha256":"5228305803aa35a301cef1ae3e7fddf8eb22fff09c80d67bf5a33d8779726fa6","schema_version":"1.0","event_id":"sha256:5228305803aa35a301cef1ae3e7fddf8eb22fff09c80d67bf5a33d8779726fa6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UFFXHM7INLTDGN6PK4HH5TPP2D/bundle.json","state_url":"https://pith.science/pith/UFFXHM7INLTDGN6PK4HH5TPP2D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UFFXHM7INLTDGN6PK4HH5TPP2D/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":"2026-06-02T12:25:43Z","links":{"resolver":"https://pith.science/pith/UFFXHM7INLTDGN6PK4HH5TPP2D","bundle":"https://pith.science/pith/UFFXHM7INLTDGN6PK4HH5TPP2D/bundle.json","state":"https://pith.science/pith/UFFXHM7INLTDGN6PK4HH5TPP2D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UFFXHM7INLTDGN6PK4HH5TPP2D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UFFXHM7INLTDGN6PK4HH5TPP2D","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":"e42892a22e1c7b878d9f34fbc4defff9acff07e3122cbd013bf4388446cac91e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-10-26T09:11:14Z","title_canon_sha256":"2bf0e8bd47bbf3ced10630c5eba91fc340713ba96894b05ee393f4f72a38e5a3"},"schema_version":"1.0","source":{"id":"1210.7072","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.7072","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.7072v2","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.7072","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"UFFXHM7INLTD","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UFFXHM7INLTDGN6P","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UFFXHM7I","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:5228305803aa35a301cef1ae3e7fddf8eb22fff09c80d67bf5a33d8779726fa6","target":"graph","created_at":"2026-05-18T01:53:37Z","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":"Very energetic charm and bottom hadrons may be produced in the upper atmosphere when a primary cosmic ray or the leading hadron in an extensive air shower collide with a nucleon. At $E\\approx 10^8$ GeV their decay length becomes of the order of 10 km, implying that they tend to interact in the air instead of decaying. Since the inelasticity in these collisions is much smaller than the one in proton and pion collisions, there could be rare events where a heavy-hadron component transports a significant amount of energy deep into the atmosphere. We have developed a module for the detailed simulat","authors_text":"C. A. Garcia Canal, J. I. Illana, M. Masip, S. J. Sciutto","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-10-26T09:11:14Z","title":"Production and propagation of heavy hadrons in air-shower simulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.7072","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:f2d3d609e1a2c3533f97cb37aded574602efd539858a0231398526b857eaf28a","target":"record","created_at":"2026-05-18T01:53:37Z","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":"e42892a22e1c7b878d9f34fbc4defff9acff07e3122cbd013bf4388446cac91e","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-10-26T09:11:14Z","title_canon_sha256":"2bf0e8bd47bbf3ced10630c5eba91fc340713ba96894b05ee393f4f72a38e5a3"},"schema_version":"1.0","source":{"id":"1210.7072","kind":"arxiv","version":2}},"canonical_sha256":"a14b73b3e86ae63337cf570e7ecdefd0ecd050fb4bffb859f5fbe8e93fc20c55","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a14b73b3e86ae63337cf570e7ecdefd0ecd050fb4bffb859f5fbe8e93fc20c55","first_computed_at":"2026-05-18T01:53:37.331341Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:37.331341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZNBjnkODNcMYQ3OB1Jo8lP7GaM/CLvPHxdLyRtfIU/Ubi+M1UIGbJPdpA/nv/ueq5Wzp8sPh5MZ+AD2qdzAXCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:37.331871Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.7072","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2d3d609e1a2c3533f97cb37aded574602efd539858a0231398526b857eaf28a","sha256:5228305803aa35a301cef1ae3e7fddf8eb22fff09c80d67bf5a33d8779726fa6"],"state_sha256":"3f9babbaa42df3ed8ab3b73384a2451cd4afa4e8a0090b4b639f3e4ea5177af0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yUoe8WFTyIfLCkh5HWuJ/bCzz+tEpcvBKZ1YX6Ihp0rCzI/Xc9vGR3XY3diknR/5uAeSOHjWyxKdzegIbx2MBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T12:25:43.441935Z","bundle_sha256":"8d3a01c7efa82c4d6122fdb431a3d6d17aeb04737acdf3399f74f13d2eb1d095"}}