{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:BDWFKPCYY2DO7OQWHAOR6B3BGX","short_pith_number":"pith:BDWFKPCY","canonical_record":{"source":{"id":"1509.02672","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-09T08:14:15Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"c704d6b526921a385a89f2f4fd0a2a4e97ce284d6aa76634b88d5142b17d7c39","abstract_canon_sha256":"b424d121fe51639a4730c69ade6ea3f00534b0f35e504786602590e217f35120"},"schema_version":"1.0"},"canonical_sha256":"08ec553c58c686efba16381d1f076135ffc08266aa1363cca3ffeeac0ac3f972","source":{"kind":"arxiv","id":"1509.02672","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02672","created_at":"2026-05-18T01:16:29Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02672v3","created_at":"2026-05-18T01:16:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02672","created_at":"2026-05-18T01:16:29Z"},{"alias_kind":"pith_short_12","alias_value":"BDWFKPCYY2DO","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BDWFKPCYY2DO7OQW","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BDWFKPCY","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:BDWFKPCYY2DO7OQWHAOR6B3BGX","target":"record","payload":{"canonical_record":{"source":{"id":"1509.02672","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-09T08:14:15Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"c704d6b526921a385a89f2f4fd0a2a4e97ce284d6aa76634b88d5142b17d7c39","abstract_canon_sha256":"b424d121fe51639a4730c69ade6ea3f00534b0f35e504786602590e217f35120"},"schema_version":"1.0"},"canonical_sha256":"08ec553c58c686efba16381d1f076135ffc08266aa1363cca3ffeeac0ac3f972","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:29.587760Z","signature_b64":"95e1ITM/pSgzCVgZRrvFuu6W0itjQ5tn4ObwUqgGUXMYfzaGk1KcDTSiju+N+c/s05NfSVtXMI5Sl16Ix+2sDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08ec553c58c686efba16381d1f076135ffc08266aa1363cca3ffeeac0ac3f972","last_reissued_at":"2026-05-18T01:16:29.587301Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:29.587301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.02672","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:16:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ruUkGcqexgyvfIQwmqi9iAG1+Cdvxnsw2+O4V1yE/FbpmZ9cYnqALBWekoIf3LESyminWqgqDzJQxa8vXkBBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T16:31:57.255648Z"},"content_sha256":"e3d9a3599cd15403490a685b5eae64034b750090c495687369c609a07aa7e752","schema_version":"1.0","event_id":"sha256:e3d9a3599cd15403490a685b5eae64034b750090c495687369c609a07aa7e752"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:BDWFKPCYY2DO7OQWHAOR6B3BGX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Perspective of monochromatic gamma-ray line detection with the High Energy cosmic-Radiation Detection (HERD) facility onboard China's Space Station","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Anna S. Lamperstorfer, Bing-Liang Hu, Bo-Bing Wu, Jin Chang, Jun-Guang L\\\"u, Le Wang, Ming Xu, Qiang Yuan, Shuang-Nan Zhang, Xiaoyuan Huang, Yong-Wei Dong, Yue-Lin Sming Tsai","submitted_at":"2015-09-09T08:14:15Z","abstract_excerpt":"HERD is the High Energy cosmic-Radiation Detection instrument proposed to operate onboard China's space station in the 2020s. It is designed to detect energetic cosmic ray nuclei, leptons and photons with a high energy resolution ($\\sim1\\%$ for electrons and photons and $20\\%$ for nuclei) and a large geometry factor ($>3\\,{ m^2\\,sr}$ for electrons and diffuse photons and $>2\\,{ m^2\\,sr}$ for nuclei). In this work we discuss the capability of HERD to detect monochromatic $\\gamma$-ray lines, based on simulations of the detector performance. It is shown that HERD will be one of the most sensitive"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02672","kind":"arxiv","version":3},"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":"2026-05-18T01:16:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hgajliIjPtn3BdzfvnotV1j6XpbeGd0laptXdb5Sa95er4BjWsGPdwjLA8uPPvUp6sXQ6TYs1KedHrXBSwXjBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T16:31:57.256024Z"},"content_sha256":"8d9ef4b492b139a626f6bd59ebee51a32400b0bc415deebe8e4685f31ebb525e","schema_version":"1.0","event_id":"sha256:8d9ef4b492b139a626f6bd59ebee51a32400b0bc415deebe8e4685f31ebb525e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BDWFKPCYY2DO7OQWHAOR6B3BGX/bundle.json","state_url":"https://pith.science/pith/BDWFKPCYY2DO7OQWHAOR6B3BGX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BDWFKPCYY2DO7OQWHAOR6B3BGX/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":"2026-05-21T16:31:57Z","links":{"resolver":"https://pith.science/pith/BDWFKPCYY2DO7OQWHAOR6B3BGX","bundle":"https://pith.science/pith/BDWFKPCYY2DO7OQWHAOR6B3BGX/bundle.json","state":"https://pith.science/pith/BDWFKPCYY2DO7OQWHAOR6B3BGX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BDWFKPCYY2DO7OQWHAOR6B3BGX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:BDWFKPCYY2DO7OQWHAOR6B3BGX","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":"b424d121fe51639a4730c69ade6ea3f00534b0f35e504786602590e217f35120","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-09T08:14:15Z","title_canon_sha256":"c704d6b526921a385a89f2f4fd0a2a4e97ce284d6aa76634b88d5142b17d7c39"},"schema_version":"1.0","source":{"id":"1509.02672","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02672","created_at":"2026-05-18T01:16:29Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02672v3","created_at":"2026-05-18T01:16:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02672","created_at":"2026-05-18T01:16:29Z"},{"alias_kind":"pith_short_12","alias_value":"BDWFKPCYY2DO","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BDWFKPCYY2DO7OQW","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BDWFKPCY","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:8d9ef4b492b139a626f6bd59ebee51a32400b0bc415deebe8e4685f31ebb525e","target":"graph","created_at":"2026-05-18T01:16:29Z","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":"HERD is the High Energy cosmic-Radiation Detection instrument proposed to operate onboard China's space station in the 2020s. It is designed to detect energetic cosmic ray nuclei, leptons and photons with a high energy resolution ($\\sim1\\%$ for electrons and photons and $20\\%$ for nuclei) and a large geometry factor ($>3\\,{ m^2\\,sr}$ for electrons and diffuse photons and $>2\\,{ m^2\\,sr}$ for nuclei). In this work we discuss the capability of HERD to detect monochromatic $\\gamma$-ray lines, based on simulations of the detector performance. It is shown that HERD will be one of the most sensitive","authors_text":"Anna S. Lamperstorfer, Bing-Liang Hu, Bo-Bing Wu, Jin Chang, Jun-Guang L\\\"u, Le Wang, Ming Xu, Qiang Yuan, Shuang-Nan Zhang, Xiaoyuan Huang, Yong-Wei Dong, Yue-Lin Sming Tsai","cross_cats":["astro-ph.IM","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-09T08:14:15Z","title":"Perspective of monochromatic gamma-ray line detection with the High Energy cosmic-Radiation Detection (HERD) facility onboard China's Space Station"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02672","kind":"arxiv","version":3},"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:e3d9a3599cd15403490a685b5eae64034b750090c495687369c609a07aa7e752","target":"record","created_at":"2026-05-18T01:16:29Z","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":"b424d121fe51639a4730c69ade6ea3f00534b0f35e504786602590e217f35120","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-09T08:14:15Z","title_canon_sha256":"c704d6b526921a385a89f2f4fd0a2a4e97ce284d6aa76634b88d5142b17d7c39"},"schema_version":"1.0","source":{"id":"1509.02672","kind":"arxiv","version":3}},"canonical_sha256":"08ec553c58c686efba16381d1f076135ffc08266aa1363cca3ffeeac0ac3f972","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08ec553c58c686efba16381d1f076135ffc08266aa1363cca3ffeeac0ac3f972","first_computed_at":"2026-05-18T01:16:29.587301Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:29.587301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"95e1ITM/pSgzCVgZRrvFuu6W0itjQ5tn4ObwUqgGUXMYfzaGk1KcDTSiju+N+c/s05NfSVtXMI5Sl16Ix+2sDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:29.587760Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.02672","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3d9a3599cd15403490a685b5eae64034b750090c495687369c609a07aa7e752","sha256:8d9ef4b492b139a626f6bd59ebee51a32400b0bc415deebe8e4685f31ebb525e"],"state_sha256":"e7c20cd7e6565782edc10627978822ad62bdf3655868f5a6a5b0c2c62d804bd2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mBdzOn9c5OBx5oDTNdueST8k33eCatemVqmSYhUwJceOrF8WL9AcrJT6YQtDslq8ZFQ80xJ57RiIleORaaqmBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T16:31:57.259018Z","bundle_sha256":"772aaba587e75c665d9ff0f1cee3216fff4fae8e47bf97b560f112dc33240749"}}