{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:2ZKSNCSW55TCF67PZQFERIEAUU","short_pith_number":"pith:2ZKSNCSW","canonical_record":{"source":{"id":"astro-ph/0304102","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-05T12:47:20Z","cross_cats_sorted":[],"title_canon_sha256":"e2f1c79feffdf96a077bde67e6f46cc08d76a11fcb681e47d101cec55d58c566","abstract_canon_sha256":"7f431a11a28850e6dc19c974792846722745323c9480b2fbb3dd3680d33b6e64"},"schema_version":"1.0"},"canonical_sha256":"d655268a56ef6622fbefcc0a48a080a515a699ccb2ab9861d76535a2533f68e7","source":{"kind":"arxiv","id":"astro-ph/0304102","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0304102","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304102v2","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304102","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"pith_short_12","alias_value":"2ZKSNCSW55TC","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"pith_short_16","alias_value":"2ZKSNCSW55TCF67P","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"pith_short_8","alias_value":"2ZKSNCSW","created_at":"2026-07-04T16:36:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:2ZKSNCSW55TCF67PZQFERIEAUU","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0304102","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-05T12:47:20Z","cross_cats_sorted":[],"title_canon_sha256":"e2f1c79feffdf96a077bde67e6f46cc08d76a11fcb681e47d101cec55d58c566","abstract_canon_sha256":"7f431a11a28850e6dc19c974792846722745323c9480b2fbb3dd3680d33b6e64"},"schema_version":"1.0"},"canonical_sha256":"d655268a56ef6622fbefcc0a48a080a515a699ccb2ab9861d76535a2533f68e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:36:48.263260Z","signature_b64":"G37i2zvsqvyJDmCBdyI8h39n3NAZA0OQ8iDjKZFXPOTHhND0Te4AVXy1eAIph2Oa7aXhXitXrIRSGBXVb+NnDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d655268a56ef6622fbefcc0a48a080a515a699ccb2ab9861d76535a2533f68e7","last_reissued_at":"2026-07-04T16:36:48.262856Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:36:48.262856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0304102","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":"2026-07-04T16:36:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5UBieq9sxIB9/Bvq6Ijg+KJ0AZtfPbPpob/VJeDAC+ne0p9cD65BsOy5PCfrgI6Es6HK8gMHRYEaJFojfyckDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T04:01:45.933295Z"},"content_sha256":"c8d0d9457a39e7f99be311cfd7ab9fb909def45a7b368c05ba77530cd48b15a1","schema_version":"1.0","event_id":"sha256:c8d0d9457a39e7f99be311cfd7ab9fb909def45a7b368c05ba77530cd48b15a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:2ZKSNCSW55TCF67PZQFERIEAUU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurements of Proton, Helium and Muon Spectra at Small Atmospheric Depths with the BESS Spectrometer","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. A. Moiseev, A. Yamamoto, E. S. Seo, H. Fuke, H. Matsumoto, J. F. Ormes, J. Nishimura, J. Suzuki, J. W. Mitchell, K. Abe, K. Anraku, K. Izumi, K. Tanaka, K. Tanizaki, K. Yamato, K. Yoshimura, M. Imori, M. Nozaki, M. Sasaki, N. Ikeda, N. Matsui, R. E. Streitmatter, S. Haino, S. Matsuda, S. Orito, T. Maeno, T. Matsukawa, T. Sanuki, T. Sonoda, T. Yamagami, T. Yoshida, Y. Asaoka, Y. Makida, Y. Shikaze, Y. Yamamoto","submitted_at":"2003-04-05T12:47:20Z","abstract_excerpt":"The cosmic-ray proton, helium, and muon spectra at small atmospheric depths of 4.5 -- 28 g/cm^2 were precisely measured during the slow descending period of the BESS-2001 balloon flight. The variation of atmospheric secondary particle fluxes as a function of atmospheric depth provides fundamental information to study hadronic interactions of the primary cosmic rays with the atmosphere."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304102","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0304102/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:36:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wa3OjTkIrd3Nt9/uwG1cd4v5Cp1zNdRnHctF0iDTMLdhhgqMGyujfMV1eWtkU5EhaahwA8jKl3SSye58TLMXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T04:01:45.933680Z"},"content_sha256":"7c9c86c25f1c8e85440eef379ee32f69402d3cd2d2cb7b8e3eb51e4b8885d776","schema_version":"1.0","event_id":"sha256:7c9c86c25f1c8e85440eef379ee32f69402d3cd2d2cb7b8e3eb51e4b8885d776"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ZKSNCSW55TCF67PZQFERIEAUU/bundle.json","state_url":"https://pith.science/pith/2ZKSNCSW55TCF67PZQFERIEAUU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ZKSNCSW55TCF67PZQFERIEAUU/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":"2026-07-05T04:01:45Z","links":{"resolver":"https://pith.science/pith/2ZKSNCSW55TCF67PZQFERIEAUU","bundle":"https://pith.science/pith/2ZKSNCSW55TCF67PZQFERIEAUU/bundle.json","state":"https://pith.science/pith/2ZKSNCSW55TCF67PZQFERIEAUU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ZKSNCSW55TCF67PZQFERIEAUU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:2ZKSNCSW55TCF67PZQFERIEAUU","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":"7f431a11a28850e6dc19c974792846722745323c9480b2fbb3dd3680d33b6e64","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-05T12:47:20Z","title_canon_sha256":"e2f1c79feffdf96a077bde67e6f46cc08d76a11fcb681e47d101cec55d58c566"},"schema_version":"1.0","source":{"id":"astro-ph/0304102","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0304102","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304102v2","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304102","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"pith_short_12","alias_value":"2ZKSNCSW55TC","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"pith_short_16","alias_value":"2ZKSNCSW55TCF67P","created_at":"2026-07-04T16:36:48Z"},{"alias_kind":"pith_short_8","alias_value":"2ZKSNCSW","created_at":"2026-07-04T16:36:48Z"}],"graph_snapshots":[{"event_id":"sha256:7c9c86c25f1c8e85440eef379ee32f69402d3cd2d2cb7b8e3eb51e4b8885d776","target":"graph","created_at":"2026-07-04T16:36:48Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0304102/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The cosmic-ray proton, helium, and muon spectra at small atmospheric depths of 4.5 -- 28 g/cm^2 were precisely measured during the slow descending period of the BESS-2001 balloon flight. The variation of atmospheric secondary particle fluxes as a function of atmospheric depth provides fundamental information to study hadronic interactions of the primary cosmic rays with the atmosphere.","authors_text":"A. A. Moiseev, A. Yamamoto, E. S. Seo, H. Fuke, H. Matsumoto, J. F. Ormes, J. Nishimura, J. Suzuki, J. W. Mitchell, K. Abe, K. Anraku, K. Izumi, K. Tanaka, K. Tanizaki, K. Yamato, K. Yoshimura, M. Imori, M. Nozaki, M. Sasaki, N. Ikeda, N. Matsui, R. E. Streitmatter, S. Haino, S. Matsuda, S. Orito, T. Maeno, T. Matsukawa, T. Sanuki, T. Sonoda, T. Yamagami, T. Yoshida, Y. Asaoka, Y. Makida, Y. Shikaze, Y. Yamamoto","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-04-05T12:47:20Z","title":"Measurements of Proton, Helium and Muon Spectra at Small Atmospheric Depths with the BESS Spectrometer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304102","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:c8d0d9457a39e7f99be311cfd7ab9fb909def45a7b368c05ba77530cd48b15a1","target":"record","created_at":"2026-07-04T16:36:48Z","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":"7f431a11a28850e6dc19c974792846722745323c9480b2fbb3dd3680d33b6e64","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-05T12:47:20Z","title_canon_sha256":"e2f1c79feffdf96a077bde67e6f46cc08d76a11fcb681e47d101cec55d58c566"},"schema_version":"1.0","source":{"id":"astro-ph/0304102","kind":"arxiv","version":2}},"canonical_sha256":"d655268a56ef6622fbefcc0a48a080a515a699ccb2ab9861d76535a2533f68e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d655268a56ef6622fbefcc0a48a080a515a699ccb2ab9861d76535a2533f68e7","first_computed_at":"2026-07-04T16:36:48.262856Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:36:48.262856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G37i2zvsqvyJDmCBdyI8h39n3NAZA0OQ8iDjKZFXPOTHhND0Te4AVXy1eAIph2Oa7aXhXitXrIRSGBXVb+NnDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:36:48.263260Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0304102","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8d0d9457a39e7f99be311cfd7ab9fb909def45a7b368c05ba77530cd48b15a1","sha256:7c9c86c25f1c8e85440eef379ee32f69402d3cd2d2cb7b8e3eb51e4b8885d776"],"state_sha256":"ade9733cdd6db858dbdf3d01239f10aaabe38080e2c2f91be3f86ad21ace3357"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NxdkgBZxXtg+UQ1wM8ghLmhLX9pARMeBIz1BKtNgTYk9ZJErTTpB7koqDYu7kkrfyDAY+D0RjdKd6aJ+7ebQAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T04:01:45.935603Z","bundle_sha256":"daa49c5120f85b5e935ad52bb7d133e8bcb959197f407e96eb001e530c60b8be"}}