{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:YOPGBI3XZTCCB6GK5UP5DYCFKW","short_pith_number":"pith:YOPGBI3X","canonical_record":{"source":{"id":"1303.3334","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-14T02:14:56Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"8508ff8cf1c3ce119491a1239a43a99de4beae1bff662a569c1fc3bb1a153141","abstract_canon_sha256":"714ce2889d10b410ff2edc7bedbeb568c2aaa7c91f361dd00a4b58b4376dd5f4"},"schema_version":"1.0"},"canonical_sha256":"c39e60a377ccc420f8caed1fd1e045558de7e54f02b119b9b88c143c08995c63","source":{"kind":"arxiv","id":"1303.3334","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3334","created_at":"2026-05-18T03:30:55Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3334v1","created_at":"2026-05-18T03:30:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3334","created_at":"2026-05-18T03:30:55Z"},{"alias_kind":"pith_short_12","alias_value":"YOPGBI3XZTCC","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"YOPGBI3XZTCCB6GK","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"YOPGBI3X","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:YOPGBI3XZTCCB6GK5UP5DYCFKW","target":"record","payload":{"canonical_record":{"source":{"id":"1303.3334","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-14T02:14:56Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"8508ff8cf1c3ce119491a1239a43a99de4beae1bff662a569c1fc3bb1a153141","abstract_canon_sha256":"714ce2889d10b410ff2edc7bedbeb568c2aaa7c91f361dd00a4b58b4376dd5f4"},"schema_version":"1.0"},"canonical_sha256":"c39e60a377ccc420f8caed1fd1e045558de7e54f02b119b9b88c143c08995c63","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:30:55.790432Z","signature_b64":"pueIceZT6focfB3EGdFAsTl0vkYZkKwBWz5H+5d0aI8uqbVzUwJCD/KhO8/5ype7ppf7Vi8MY66JHuIoGPP4Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c39e60a377ccc420f8caed1fd1e045558de7e54f02b119b9b88c143c08995c63","last_reissued_at":"2026-05-18T03:30:55.789873Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:30:55.789873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.3334","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":"2026-05-18T03:30:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3iot6FUlDGWNE3qQiWsRf+AffVlUnci2YCMkkoK5+oKIm4BhcW7A8V3YPp9MBhmw8OBkrT37ntOcoSmlW4YPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T09:45:21.510980Z"},"content_sha256":"a3a4bbd1a0014672a1e968781a80b504edf2618bafafa919fd739f9041089cc4","schema_version":"1.0","event_id":"sha256:a3a4bbd1a0014672a1e968781a80b504edf2618bafafa919fd739f9041089cc4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:YOPGBI3XZTCCB6GK5UP5DYCFKW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Monte Carlo study to check the hadronic interaction models by a new EAS hybrid experiment in Tibet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"hep-ex","authors_text":"D. Chen, J. Huang, L. Jiang, L. K. Ding, M. Ohnishi, M. Shibata, N. Hotta, T. Ouchi, T. Saito, Ying Zhang, Y. Katayose","submitted_at":"2013-03-14T02:14:56Z","abstract_excerpt":"A new EAS hybrid experiment has been designed by constructing a YAC (Yangbajing Air shower Core) detector array inside the existing Tibet-III air shower array. The first step of YAC, called \"YAC-I\", consists of 16 plastic scintillator units (4 rows times 4 columns) each with an area of 40 cm * 50 cm which is used to check hadronic interaction models used in AS simulations. A Monte Carlo study shows that YAC-I can record high energy electromagnetic component in the core region of air showers induced by primary particles of several tens TeV energies where the primary composition is directly meas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3334","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":"2026-05-18T03:30:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xj7L5Uxn90S9guBOvB+Mwa+9NU3s8cxM9WafTnMMVyg6dBw/ZZLtsQAFzTLKv32VagjiXOfJF8qMJOjjthPSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T09:45:21.511699Z"},"content_sha256":"d6e5f325ec393045fe12aa513d888bd9decb15bf6248ef56dbbb75f4d119c197","schema_version":"1.0","event_id":"sha256:d6e5f325ec393045fe12aa513d888bd9decb15bf6248ef56dbbb75f4d119c197"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YOPGBI3XZTCCB6GK5UP5DYCFKW/bundle.json","state_url":"https://pith.science/pith/YOPGBI3XZTCCB6GK5UP5DYCFKW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YOPGBI3XZTCCB6GK5UP5DYCFKW/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":"2026-05-23T09:45:21Z","links":{"resolver":"https://pith.science/pith/YOPGBI3XZTCCB6GK5UP5DYCFKW","bundle":"https://pith.science/pith/YOPGBI3XZTCCB6GK5UP5DYCFKW/bundle.json","state":"https://pith.science/pith/YOPGBI3XZTCCB6GK5UP5DYCFKW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YOPGBI3XZTCCB6GK5UP5DYCFKW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:YOPGBI3XZTCCB6GK5UP5DYCFKW","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":"714ce2889d10b410ff2edc7bedbeb568c2aaa7c91f361dd00a4b58b4376dd5f4","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-14T02:14:56Z","title_canon_sha256":"8508ff8cf1c3ce119491a1239a43a99de4beae1bff662a569c1fc3bb1a153141"},"schema_version":"1.0","source":{"id":"1303.3334","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3334","created_at":"2026-05-18T03:30:55Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3334v1","created_at":"2026-05-18T03:30:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3334","created_at":"2026-05-18T03:30:55Z"},{"alias_kind":"pith_short_12","alias_value":"YOPGBI3XZTCC","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"YOPGBI3XZTCCB6GK","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"YOPGBI3X","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:d6e5f325ec393045fe12aa513d888bd9decb15bf6248ef56dbbb75f4d119c197","target":"graph","created_at":"2026-05-18T03:30:55Z","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":"A new EAS hybrid experiment has been designed by constructing a YAC (Yangbajing Air shower Core) detector array inside the existing Tibet-III air shower array. The first step of YAC, called \"YAC-I\", consists of 16 plastic scintillator units (4 rows times 4 columns) each with an area of 40 cm * 50 cm which is used to check hadronic interaction models used in AS simulations. A Monte Carlo study shows that YAC-I can record high energy electromagnetic component in the core region of air showers induced by primary particles of several tens TeV energies where the primary composition is directly meas","authors_text":"D. Chen, J. Huang, L. Jiang, L. K. Ding, M. Ohnishi, M. Shibata, N. Hotta, T. Ouchi, T. Saito, Ying Zhang, Y. Katayose","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-14T02:14:56Z","title":"A Monte Carlo study to check the hadronic interaction models by a new EAS hybrid experiment in Tibet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3334","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:a3a4bbd1a0014672a1e968781a80b504edf2618bafafa919fd739f9041089cc4","target":"record","created_at":"2026-05-18T03:30:55Z","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":"714ce2889d10b410ff2edc7bedbeb568c2aaa7c91f361dd00a4b58b4376dd5f4","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-03-14T02:14:56Z","title_canon_sha256":"8508ff8cf1c3ce119491a1239a43a99de4beae1bff662a569c1fc3bb1a153141"},"schema_version":"1.0","source":{"id":"1303.3334","kind":"arxiv","version":1}},"canonical_sha256":"c39e60a377ccc420f8caed1fd1e045558de7e54f02b119b9b88c143c08995c63","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c39e60a377ccc420f8caed1fd1e045558de7e54f02b119b9b88c143c08995c63","first_computed_at":"2026-05-18T03:30:55.789873Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:30:55.789873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pueIceZT6focfB3EGdFAsTl0vkYZkKwBWz5H+5d0aI8uqbVzUwJCD/KhO8/5ype7ppf7Vi8MY66JHuIoGPP4Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:30:55.790432Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.3334","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3a4bbd1a0014672a1e968781a80b504edf2618bafafa919fd739f9041089cc4","sha256:d6e5f325ec393045fe12aa513d888bd9decb15bf6248ef56dbbb75f4d119c197"],"state_sha256":"bffde36d0f3f4260bf2ddbd1fe13c67efbeaa68d9453626d976ffd6cc22a5d84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nCFvZlPJ1VMACw2v+cSOSi2o2AxDRQWxLrNJfUpIOaZUFIbVWpQwcT1k2DGmfv4QeNZF5NmPB5HXm47+Mb1hBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T09:45:21.515358Z","bundle_sha256":"1d6ed1185f3a33ef894cd3ce19a453483d37ffc65d9506e8ce63e3029cd79282"}}