{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:I7Z4GSXIENL7HJLNRVAAQYILIW","short_pith_number":"pith:I7Z4GSXI","canonical_record":{"source":{"id":"0905.2736","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-05-17T13:04:32Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"473648a72770815d8fa593b6f9936c11d93d8a76eecfd4d1e386bbe14bf3d84d","abstract_canon_sha256":"d432669f0f1a85dbff6dc4761e3065490502d5e7c4d220f1f984c02d799b1d39"},"schema_version":"1.0"},"canonical_sha256":"47f3c34ae82357f3a56d8d4008610b459537db1da3c9101edb44ccb06c59eb26","source":{"kind":"arxiv","id":"0905.2736","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.2736","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"arxiv_version","alias_value":"0905.2736v2","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.2736","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"pith_short_12","alias_value":"I7Z4GSXIENL7","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"pith_short_16","alias_value":"I7Z4GSXIENL7HJLN","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"pith_short_8","alias_value":"I7Z4GSXI","created_at":"2026-07-04T17:17:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:I7Z4GSXIENL7HJLNRVAAQYILIW","target":"record","payload":{"canonical_record":{"source":{"id":"0905.2736","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-05-17T13:04:32Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"473648a72770815d8fa593b6f9936c11d93d8a76eecfd4d1e386bbe14bf3d84d","abstract_canon_sha256":"d432669f0f1a85dbff6dc4761e3065490502d5e7c4d220f1f984c02d799b1d39"},"schema_version":"1.0"},"canonical_sha256":"47f3c34ae82357f3a56d8d4008610b459537db1da3c9101edb44ccb06c59eb26","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:17:53.043217Z","signature_b64":"xlaBBsbQvfdq47jHEHvICeSaZvbksgEHmr+rhwY3FFexvm2WTDUGHX4Av/qPcpi2aFai53OUupW+2VkRWQWqBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47f3c34ae82357f3a56d8d4008610b459537db1da3c9101edb44ccb06c59eb26","last_reissued_at":"2026-07-04T17:17:53.042875Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:17:53.042875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.2736","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":"2026-07-04T17:17:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5gbi+StEDtLSxJse7/F9j0Ij3HQzL9zHg75MKyaWP1LyMtSm210ZuAEiAqO5136hzT++XNX+TxsdtNhXeuN7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:47:03.109440Z"},"content_sha256":"7fb43ca54b65c736aaf82b1aa87dd302207b62cb0d97f3ca34313644b4ed106e","schema_version":"1.0","event_id":"sha256:7fb43ca54b65c736aaf82b1aa87dd302207b62cb0d97f3ca34313644b4ed106e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:I7Z4GSXIENL7HJLNRVAAQYILIW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Clumpiness enhancement of charged cosmic rays from dark matter annihilation with Sommerfeld effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Center for High Energy Physics, Chinese Academy of Sciences, Institute of High Energy Physics, Institute of Theoretical Physics & State Key Laboratory of Nuclear Physics, Jia Liu, Juan Zhang, Peking University, Peking University), Peng-fei Yin, Qiang Yuan, Shou-Hua Zhu (Key Laboratory of Particle Astrophysics, Technology, Xiao-Jun Bi","submitted_at":"2009-05-17T13:04:32Z","abstract_excerpt":"Boost factors of dark matter annihilation into antiprotons and electrons/positrons due to the clumpiness of dark matter distribution are studied in detail in this work, taking the Sommerfeld effect into account. It has been thought that the Sommerfeld effect, if exists, will be more remarkable in substructures because they are colder than the host halo, and may result in a larger boost factor. We give a full calculation of the boost factors based on the recent N-body simulations. Three typical cases of Sommerfeld effects, the non-resonant, moderately resonant and strongly resonant cases are co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.2736","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/0905.2736/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":"2026-07-04T17:17:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sd7TrHxQ0B97jf4XIdsQusFG8Bp2c/6BpD/AQ+b6SMOWpkJpD0fojbwKekaAvmbRbdbjcX6m1fX/VM+QlT5PDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:47:03.110006Z"},"content_sha256":"95aa83302ed2e018ce240a43fe99b78c6a4cf61003d2488434e556f686e58aed","schema_version":"1.0","event_id":"sha256:95aa83302ed2e018ce240a43fe99b78c6a4cf61003d2488434e556f686e58aed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I7Z4GSXIENL7HJLNRVAAQYILIW/bundle.json","state_url":"https://pith.science/pith/I7Z4GSXIENL7HJLNRVAAQYILIW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I7Z4GSXIENL7HJLNRVAAQYILIW/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":"2026-08-11T00:47:03Z","links":{"resolver":"https://pith.science/pith/I7Z4GSXIENL7HJLNRVAAQYILIW","bundle":"https://pith.science/pith/I7Z4GSXIENL7HJLNRVAAQYILIW/bundle.json","state":"https://pith.science/pith/I7Z4GSXIENL7HJLNRVAAQYILIW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I7Z4GSXIENL7HJLNRVAAQYILIW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:I7Z4GSXIENL7HJLNRVAAQYILIW","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":"d432669f0f1a85dbff6dc4761e3065490502d5e7c4d220f1f984c02d799b1d39","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-05-17T13:04:32Z","title_canon_sha256":"473648a72770815d8fa593b6f9936c11d93d8a76eecfd4d1e386bbe14bf3d84d"},"schema_version":"1.0","source":{"id":"0905.2736","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.2736","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"arxiv_version","alias_value":"0905.2736v2","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.2736","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"pith_short_12","alias_value":"I7Z4GSXIENL7","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"pith_short_16","alias_value":"I7Z4GSXIENL7HJLN","created_at":"2026-07-04T17:17:53Z"},{"alias_kind":"pith_short_8","alias_value":"I7Z4GSXI","created_at":"2026-07-04T17:17:53Z"}],"graph_snapshots":[{"event_id":"sha256:95aa83302ed2e018ce240a43fe99b78c6a4cf61003d2488434e556f686e58aed","target":"graph","created_at":"2026-07-04T17:17:53Z","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/0905.2736/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Boost factors of dark matter annihilation into antiprotons and electrons/positrons due to the clumpiness of dark matter distribution are studied in detail in this work, taking the Sommerfeld effect into account. It has been thought that the Sommerfeld effect, if exists, will be more remarkable in substructures because they are colder than the host halo, and may result in a larger boost factor. We give a full calculation of the boost factors based on the recent N-body simulations. Three typical cases of Sommerfeld effects, the non-resonant, moderately resonant and strongly resonant cases are co","authors_text":"Center for High Energy Physics, Chinese Academy of Sciences, Institute of High Energy Physics, Institute of Theoretical Physics & State Key Laboratory of Nuclear Physics, Jia Liu, Juan Zhang, Peking University, Peking University), Peng-fei Yin, Qiang Yuan, Shou-Hua Zhu (Key Laboratory of Particle Astrophysics, Technology, Xiao-Jun Bi","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-05-17T13:04:32Z","title":"Clumpiness enhancement of charged cosmic rays from dark matter annihilation with Sommerfeld effect"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.2736","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":"sha256:7fb43ca54b65c736aaf82b1aa87dd302207b62cb0d97f3ca34313644b4ed106e","target":"record","created_at":"2026-07-04T17:17:53Z","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":"d432669f0f1a85dbff6dc4761e3065490502d5e7c4d220f1f984c02d799b1d39","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-05-17T13:04:32Z","title_canon_sha256":"473648a72770815d8fa593b6f9936c11d93d8a76eecfd4d1e386bbe14bf3d84d"},"schema_version":"1.0","source":{"id":"0905.2736","kind":"arxiv","version":2}},"canonical_sha256":"47f3c34ae82357f3a56d8d4008610b459537db1da3c9101edb44ccb06c59eb26","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47f3c34ae82357f3a56d8d4008610b459537db1da3c9101edb44ccb06c59eb26","first_computed_at":"2026-07-04T17:17:53.042875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:17:53.042875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xlaBBsbQvfdq47jHEHvICeSaZvbksgEHmr+rhwY3FFexvm2WTDUGHX4Av/qPcpi2aFai53OUupW+2VkRWQWqBg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:17:53.043217Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.2736","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fb43ca54b65c736aaf82b1aa87dd302207b62cb0d97f3ca34313644b4ed106e","sha256:95aa83302ed2e018ce240a43fe99b78c6a4cf61003d2488434e556f686e58aed"],"state_sha256":"fa25b32e8bbffcab8a2ca1f0421424ccc07d71bde8c80d238a5167652aa55e0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nVtHpCYA9cKF63hrc06owziyKsPRksNjN26shMzqUZCYYpDH8obmzrEql/V7WB3atINmfSkBzbRzwVjnx41HAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T00:47:03.115309Z","bundle_sha256":"fa6916a6ba7aeb357d69b4fce6be3518be4c7a0ccb916dee49236c1f0a84c62e"}}