{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:CVO6GJDGH7NSUTOBKLQDVTX4EM","short_pith_number":"pith:CVO6GJDG","canonical_record":{"source":{"id":"1503.07960","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-03-27T05:07:24Z","cross_cats_sorted":[],"title_canon_sha256":"a1df2d02595f8a036e9ce6b778f20d77b7ba92dca985c7ad95bad6a29d0c025d","abstract_canon_sha256":"7f4fbb25f3ad34654ec8fa3e69bae2c2bbc878f7ddfd935b8000b23e0fc4db95"},"schema_version":"1.0"},"canonical_sha256":"155de324663fdb2a4dc152e03acefc2303b75900aa065da1bd02ed9dadb89123","source":{"kind":"arxiv","id":"1503.07960","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.07960","created_at":"2026-05-18T01:24:43Z"},{"alias_kind":"arxiv_version","alias_value":"1503.07960v1","created_at":"2026-05-18T01:24:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.07960","created_at":"2026-05-18T01:24:43Z"},{"alias_kind":"pith_short_12","alias_value":"CVO6GJDGH7NS","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CVO6GJDGH7NSUTOB","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CVO6GJDG","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:CVO6GJDGH7NSUTOBKLQDVTX4EM","target":"record","payload":{"canonical_record":{"source":{"id":"1503.07960","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-03-27T05:07:24Z","cross_cats_sorted":[],"title_canon_sha256":"a1df2d02595f8a036e9ce6b778f20d77b7ba92dca985c7ad95bad6a29d0c025d","abstract_canon_sha256":"7f4fbb25f3ad34654ec8fa3e69bae2c2bbc878f7ddfd935b8000b23e0fc4db95"},"schema_version":"1.0"},"canonical_sha256":"155de324663fdb2a4dc152e03acefc2303b75900aa065da1bd02ed9dadb89123","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:43.790529Z","signature_b64":"vLSDy9jLbGyIVnEyXkAzdGeb3JXIPfBFtV1BeOLrOWcHPjntI7XBPa0pIuM3Z32Y5w3AeDtq9SDPzC6gZwFmDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"155de324663fdb2a4dc152e03acefc2303b75900aa065da1bd02ed9dadb89123","last_reissued_at":"2026-05-18T01:24:43.789877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:43.789877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.07960","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":"2026-05-18T01:24:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wxzrh2dp+QGxSWBDW9D2OrmB+fsbPxgR22LT2URTtqsWvQZ3kGi8yCNGNrw8dZnSeqO6xHygazfMJT95QklzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:54:45.498416Z"},"content_sha256":"5932cec14cfa5d324be414fdaa8654b2308a1c119aea20bbee49ebc035915115","schema_version":"1.0","event_id":"sha256:5932cec14cfa5d324be414fdaa8654b2308a1c119aea20bbee49ebc035915115"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:CVO6GJDGH7NSUTOBKLQDVTX4EM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Implementing the De-thinning Method for High Energy Cosmic Rays Extensive Air Shower Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Estupi\\~n\\'an, H. Asorey, L.A. N\\'u\\~nez","submitted_at":"2015-03-27T05:07:24Z","abstract_excerpt":"To simulate the interaction of cosmic rays with the Earth atmosphere requires highly complex computational resources and several statistical techniques have been developed to simplify those calculations. It is common to implement the thinning algorithms to reduce the number of secondary particles by assigning weights to representative particles in the evolution of the cascade. However, since this is a compression method with information loss, it is required to recover the original flux of secondary particles without introduce artificial biases. In this work we present the preliminary results o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.07960","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":"2026-05-18T01:24:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4caZiCu6UReWJVzNXlcqbBcouEV73CZzp410uwPQS8qUJ7e2YocXOl9ea10hyNEhypwQ+Uj6+CW65A2REJVMDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:54:45.498765Z"},"content_sha256":"d61e94518b848cc2703fdace9d543e7afce6488522aca4483ae0f48a217d08f9","schema_version":"1.0","event_id":"sha256:d61e94518b848cc2703fdace9d543e7afce6488522aca4483ae0f48a217d08f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CVO6GJDGH7NSUTOBKLQDVTX4EM/bundle.json","state_url":"https://pith.science/pith/CVO6GJDGH7NSUTOBKLQDVTX4EM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CVO6GJDGH7NSUTOBKLQDVTX4EM/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":"2026-06-03T22:54:45Z","links":{"resolver":"https://pith.science/pith/CVO6GJDGH7NSUTOBKLQDVTX4EM","bundle":"https://pith.science/pith/CVO6GJDGH7NSUTOBKLQDVTX4EM/bundle.json","state":"https://pith.science/pith/CVO6GJDGH7NSUTOBKLQDVTX4EM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CVO6GJDGH7NSUTOBKLQDVTX4EM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:CVO6GJDGH7NSUTOBKLQDVTX4EM","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":"7f4fbb25f3ad34654ec8fa3e69bae2c2bbc878f7ddfd935b8000b23e0fc4db95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-03-27T05:07:24Z","title_canon_sha256":"a1df2d02595f8a036e9ce6b778f20d77b7ba92dca985c7ad95bad6a29d0c025d"},"schema_version":"1.0","source":{"id":"1503.07960","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.07960","created_at":"2026-05-18T01:24:43Z"},{"alias_kind":"arxiv_version","alias_value":"1503.07960v1","created_at":"2026-05-18T01:24:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.07960","created_at":"2026-05-18T01:24:43Z"},{"alias_kind":"pith_short_12","alias_value":"CVO6GJDGH7NS","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CVO6GJDGH7NSUTOB","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CVO6GJDG","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:d61e94518b848cc2703fdace9d543e7afce6488522aca4483ae0f48a217d08f9","target":"graph","created_at":"2026-05-18T01:24:43Z","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":"To simulate the interaction of cosmic rays with the Earth atmosphere requires highly complex computational resources and several statistical techniques have been developed to simplify those calculations. It is common to implement the thinning algorithms to reduce the number of secondary particles by assigning weights to representative particles in the evolution of the cascade. However, since this is a compression method with information loss, it is required to recover the original flux of secondary particles without introduce artificial biases. In this work we present the preliminary results o","authors_text":"A. Estupi\\~n\\'an, H. Asorey, L.A. N\\'u\\~nez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-03-27T05:07:24Z","title":"Implementing the De-thinning Method for High Energy Cosmic Rays Extensive Air Shower Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.07960","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":"sha256:5932cec14cfa5d324be414fdaa8654b2308a1c119aea20bbee49ebc035915115","target":"record","created_at":"2026-05-18T01:24:43Z","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":"7f4fbb25f3ad34654ec8fa3e69bae2c2bbc878f7ddfd935b8000b23e0fc4db95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-03-27T05:07:24Z","title_canon_sha256":"a1df2d02595f8a036e9ce6b778f20d77b7ba92dca985c7ad95bad6a29d0c025d"},"schema_version":"1.0","source":{"id":"1503.07960","kind":"arxiv","version":1}},"canonical_sha256":"155de324663fdb2a4dc152e03acefc2303b75900aa065da1bd02ed9dadb89123","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"155de324663fdb2a4dc152e03acefc2303b75900aa065da1bd02ed9dadb89123","first_computed_at":"2026-05-18T01:24:43.789877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:43.789877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vLSDy9jLbGyIVnEyXkAzdGeb3JXIPfBFtV1BeOLrOWcHPjntI7XBPa0pIuM3Z32Y5w3AeDtq9SDPzC6gZwFmDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:43.790529Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.07960","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5932cec14cfa5d324be414fdaa8654b2308a1c119aea20bbee49ebc035915115","sha256:d61e94518b848cc2703fdace9d543e7afce6488522aca4483ae0f48a217d08f9"],"state_sha256":"5b437b695f152e270e477b7df6276d8a141fecb714732116d5b314767aae6c56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v61yJKGnj5E93pUNrYf7+aRMzamyGisFk4R2d+O4TW5dgoC9MsxQ5MSS2yMREsTywXcRJ18/WEFXVDlYNC3FAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T22:54:45.500677Z","bundle_sha256":"8cc945da97967757931beb6742be2a6af7c7d060ac0053070c7fc119d809cab7"}}