{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:QGYBPIJJOHGVCTT6RQFHPLO363","short_pith_number":"pith:QGYBPIJJ","canonical_record":{"source":{"id":"1303.0601","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-04T04:58:17Z","cross_cats_sorted":["astro-ph.IM","hep-ex","hep-ph"],"title_canon_sha256":"1049a69b5f07249656302e475b7d64bb05df02c18f58bafea01b221601176178","abstract_canon_sha256":"f49ad20ec402183d48286890df64a9999925c8799ebeaf91eb6896ad09dfc888"},"schema_version":"1.0"},"canonical_sha256":"81b017a12971cd514e7e8c0a77addbf6c7d15ff138d537c49d9fff531ad75de7","source":{"kind":"arxiv","id":"1303.0601","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0601","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0601v1","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0601","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"pith_short_12","alias_value":"QGYBPIJJOHGV","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QGYBPIJJOHGVCTT6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QGYBPIJJ","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:QGYBPIJJOHGVCTT6RQFHPLO363","target":"record","payload":{"canonical_record":{"source":{"id":"1303.0601","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-04T04:58:17Z","cross_cats_sorted":["astro-ph.IM","hep-ex","hep-ph"],"title_canon_sha256":"1049a69b5f07249656302e475b7d64bb05df02c18f58bafea01b221601176178","abstract_canon_sha256":"f49ad20ec402183d48286890df64a9999925c8799ebeaf91eb6896ad09dfc888"},"schema_version":"1.0"},"canonical_sha256":"81b017a12971cd514e7e8c0a77addbf6c7d15ff138d537c49d9fff531ad75de7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:30.376342Z","signature_b64":"IRRybKvQRqwFdB6D+o9aL0II3oheCDvLNOHGFm8+C3+DYXC20eq5mixQ/l0vFPjanKFhgBu2ILjHTYL2y2StCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81b017a12971cd514e7e8c0a77addbf6c7d15ff138d537c49d9fff531ad75de7","last_reissued_at":"2026-05-18T02:53:30.375725Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:30.375725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.0601","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":"2026-05-18T02:53:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WaGtiEDMnzZsrt7rgJcUmroj4iXIY56BpeWIRLG8LWVZl72YSbqQAnbkC1GgnyiLbBmnDwvSMNHKvxX6eP/OBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:28:06.082540Z"},"content_sha256":"190f22686c6cbb957f6d6be8d75ad89b978eba8216ede199e339af942bde2130","schema_version":"1.0","event_id":"sha256:190f22686c6cbb957f6d6be8d75ad89b978eba8216ede199e339af942bde2130"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:QGYBPIJJOHGVCTT6RQFHPLO363","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Introduction of the CDEX experiment","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["astro-ph.IM","hep-ex","hep-ph"],"primary_cat":"physics.ins-det","authors_text":"Chang-Jian Tang, Chun-Xu Yu, Guang-Hua Zhang, Han-Xiong Huang, Hao Jiang, Hao Ma, Hao-Yang Xing, Hao Yu, Hong-Jian He, Hui Gong, Jian-Min Li, Jian-Ping Chang, Jian-Ping Cheng, Jian-Qiang Qin, Jian Su, Jie Ren, Ji-Min Wang, Jing-Jun Zhu, Jing Ren, Jin Li, Jin Zhou, Ke-Jun Kang, Lan-Chun Lu, Lan Zhang, Li-Tao Yang, Man-Bin Shen, Ming-Gang Zhao, Nan Chen, Nan Yi, Ning Chen, Qiang Du, Qian Yue, Qing-Hao Chen, Qing-Ju He, Qing Wang, Shi-Yong Wu, Shu-Kui Liu, Su-Ning Zhong, Tao Xue, Wei-Bin Zhu, Xia Li, Xi-Chao Ruan, Xin-Hui Hu, Xin-Ying Li, Xiong-Hui Zeng, Xi-Qing Hao, Xue-Qian Li, Xue-Zhou Zhu, Xu-Feng Wang, Xun-Jie Xu, Ya-Bin Liu, Yang Bai, Yin Xu, Yong Bi, Yuan-Jing Li, Yu-Cheng Wu, Yu-Lan Li, Yun-Hua Chen, Zhen-Yu Tang, Zhi Deng, Zhi Zeng, Zhong-Hua Zhu, Zhong-Zhi Xianyu, Zu-Ying Zhou","submitted_at":"2013-03-04T04:58:17Z","abstract_excerpt":"Weakly Interacting Massive Particles (WIMPs) are the candidates of dark matter in our universe. Up to now any direct interaction of WIMP with nuclei has not been observed yet. The exclusion limits of the spin-independent cross section of WIMP-nucleon which have been experimentally obtained is about 10^{-7}pb at high mass region and only 10^{-5}pb} at low mass region. China Jin-Ping underground laboratory CJPL is the deepest underground lab in the world and provides a very promising environment for direct observation of dark matter. The China Dark Matter Experiment (CDEX) experiment is going to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0601","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":"2026-05-18T02:53:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jjF6a83h8zta5nS/hkBZ9888G7pAU2cHwWR2WnPLYYStguiVfxi3FE/ttqtxJ6LoPlxErM/lwCIfjImmVOKCCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:28:06.083353Z"},"content_sha256":"6c04411d19b088b0a09266ac28708ce287397531013785b4dd60a575c1a7f020","schema_version":"1.0","event_id":"sha256:6c04411d19b088b0a09266ac28708ce287397531013785b4dd60a575c1a7f020"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGYBPIJJOHGVCTT6RQFHPLO363/bundle.json","state_url":"https://pith.science/pith/QGYBPIJJOHGVCTT6RQFHPLO363/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGYBPIJJOHGVCTT6RQFHPLO363/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":"2026-05-31T21:28:06Z","links":{"resolver":"https://pith.science/pith/QGYBPIJJOHGVCTT6RQFHPLO363","bundle":"https://pith.science/pith/QGYBPIJJOHGVCTT6RQFHPLO363/bundle.json","state":"https://pith.science/pith/QGYBPIJJOHGVCTT6RQFHPLO363/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGYBPIJJOHGVCTT6RQFHPLO363/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QGYBPIJJOHGVCTT6RQFHPLO363","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":"f49ad20ec402183d48286890df64a9999925c8799ebeaf91eb6896ad09dfc888","cross_cats_sorted":["astro-ph.IM","hep-ex","hep-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-04T04:58:17Z","title_canon_sha256":"1049a69b5f07249656302e475b7d64bb05df02c18f58bafea01b221601176178"},"schema_version":"1.0","source":{"id":"1303.0601","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0601","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0601v1","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0601","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"pith_short_12","alias_value":"QGYBPIJJOHGV","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QGYBPIJJOHGVCTT6","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QGYBPIJJ","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:6c04411d19b088b0a09266ac28708ce287397531013785b4dd60a575c1a7f020","target":"graph","created_at":"2026-05-18T02:53:30Z","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":"Weakly Interacting Massive Particles (WIMPs) are the candidates of dark matter in our universe. Up to now any direct interaction of WIMP with nuclei has not been observed yet. The exclusion limits of the spin-independent cross section of WIMP-nucleon which have been experimentally obtained is about 10^{-7}pb at high mass region and only 10^{-5}pb} at low mass region. China Jin-Ping underground laboratory CJPL is the deepest underground lab in the world and provides a very promising environment for direct observation of dark matter. The China Dark Matter Experiment (CDEX) experiment is going to","authors_text":"Chang-Jian Tang, Chun-Xu Yu, Guang-Hua Zhang, Han-Xiong Huang, Hao Jiang, Hao Ma, Hao-Yang Xing, Hao Yu, Hong-Jian He, Hui Gong, Jian-Min Li, Jian-Ping Chang, Jian-Ping Cheng, Jian-Qiang Qin, Jian Su, Jie Ren, Ji-Min Wang, Jing-Jun Zhu, Jing Ren, Jin Li, Jin Zhou, Ke-Jun Kang, Lan-Chun Lu, Lan Zhang, Li-Tao Yang, Man-Bin Shen, Ming-Gang Zhao, Nan Chen, Nan Yi, Ning Chen, Qiang Du, Qian Yue, Qing-Hao Chen, Qing-Ju He, Qing Wang, Shi-Yong Wu, Shu-Kui Liu, Su-Ning Zhong, Tao Xue, Wei-Bin Zhu, Xia Li, Xi-Chao Ruan, Xin-Hui Hu, Xin-Ying Li, Xiong-Hui Zeng, Xi-Qing Hao, Xue-Qian Li, Xue-Zhou Zhu, Xu-Feng Wang, Xun-Jie Xu, Ya-Bin Liu, Yang Bai, Yin Xu, Yong Bi, Yuan-Jing Li, Yu-Cheng Wu, Yu-Lan Li, Yun-Hua Chen, Zhen-Yu Tang, Zhi Deng, Zhi Zeng, Zhong-Hua Zhu, Zhong-Zhi Xianyu, Zu-Ying Zhou","cross_cats":["astro-ph.IM","hep-ex","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-04T04:58:17Z","title":"Introduction of the CDEX experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0601","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":"sha256:190f22686c6cbb957f6d6be8d75ad89b978eba8216ede199e339af942bde2130","target":"record","created_at":"2026-05-18T02:53:30Z","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":"f49ad20ec402183d48286890df64a9999925c8799ebeaf91eb6896ad09dfc888","cross_cats_sorted":["astro-ph.IM","hep-ex","hep-ph"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-04T04:58:17Z","title_canon_sha256":"1049a69b5f07249656302e475b7d64bb05df02c18f58bafea01b221601176178"},"schema_version":"1.0","source":{"id":"1303.0601","kind":"arxiv","version":1}},"canonical_sha256":"81b017a12971cd514e7e8c0a77addbf6c7d15ff138d537c49d9fff531ad75de7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81b017a12971cd514e7e8c0a77addbf6c7d15ff138d537c49d9fff531ad75de7","first_computed_at":"2026-05-18T02:53:30.375725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:30.375725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IRRybKvQRqwFdB6D+o9aL0II3oheCDvLNOHGFm8+C3+DYXC20eq5mixQ/l0vFPjanKFhgBu2ILjHTYL2y2StCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:30.376342Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.0601","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:190f22686c6cbb957f6d6be8d75ad89b978eba8216ede199e339af942bde2130","sha256:6c04411d19b088b0a09266ac28708ce287397531013785b4dd60a575c1a7f020"],"state_sha256":"f00aa30efe94b3e7a9da4192a4e4239774b8b8dffbd6beda9df6c9c47253a81c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XFArPkRV4v6/DASUFPQNIddFA1vy/AnI4hmEmdkja53M/qvyyHk4wTf0GQRwcfrr5Qx8uEuQLPcNsaIFM9n+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:28:06.087545Z","bundle_sha256":"61be28144e4c2f5f839d853c45f7658f99344472f00af2a2d3cc8bc60b4fb838"}}