{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EM7EB2MLBLNUSXBWJ2MHKIDGPQ","short_pith_number":"pith:EM7EB2ML","canonical_record":{"source":{"id":"1711.10996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T18:18:13Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"6d929ee7a62fde41617e9001be79c5ca422ea7c49505b1d8d9c6451cab87a0ac","abstract_canon_sha256":"6aa71250da980d09681a0715dbdc87680e72072ebc5e3999430b6e824c999d52"},"schema_version":"1.0"},"canonical_sha256":"233e40e98b0adb495c364e987520667c05f73042a8c63f882280726b3617dd08","source":{"kind":"arxiv","id":"1711.10996","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10996","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10996v1","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10996","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"pith_short_12","alias_value":"EM7EB2MLBLNU","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EM7EB2MLBLNUSXBW","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EM7EB2ML","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EM7EB2MLBLNUSXBWJ2MHKIDGPQ","target":"record","payload":{"canonical_record":{"source":{"id":"1711.10996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T18:18:13Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"6d929ee7a62fde41617e9001be79c5ca422ea7c49505b1d8d9c6451cab87a0ac","abstract_canon_sha256":"6aa71250da980d09681a0715dbdc87680e72072ebc5e3999430b6e824c999d52"},"schema_version":"1.0"},"canonical_sha256":"233e40e98b0adb495c364e987520667c05f73042a8c63f882280726b3617dd08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:27.071936Z","signature_b64":"guYbeNa+QVKdU8B0NgZLYmvrNEdLFrf3ZkkfyR/f1mC8wz80C5OWmo9H0KpE1stG4W8YTSfJPEpfYUSTIVj/DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"233e40e98b0adb495c364e987520667c05f73042a8c63f882280726b3617dd08","last_reissued_at":"2026-05-18T00:22:27.071313Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:27.071313Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.10996","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":"2026-05-18T00:22:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZoxDWYjRbaptvfCF871PPmAOfxiS6P0KLtNPQa9W+WWHFQAFbGKMMiZfShyzpPPpE4plDzfpldxc6SEqPBtmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:10:29.246969Z"},"content_sha256":"f06cc5b885c6a6ef06b79f2d4605ec1506b619b19be19465cd44bf7e1c0a11b2","schema_version":"1.0","event_id":"sha256:f06cc5b885c6a6ef06b79f2d4605ec1506b619b19be19465cd44bf7e1c0a11b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EM7EB2MLBLNUSXBWJ2MHKIDGPQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Explanation of the knee-like feature in the DAMPE cosmic $e^-+e^+$ energy spectrum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Kun Fang, Peng-fei Yin, Xiao-Jun Bi","submitted_at":"2017-11-29T18:18:13Z","abstract_excerpt":"The DArk Matter Particle Explorer (DAMPE), a space-based high precision cosmic ray detector, has just reported the new measurement of the total electron plus positron energy spectrum up to 4.6 TeV. A notable feature in the spectrum is the spectral break at $\\sim 0.9$ TeV, with the spectral index softening from $-3.1$ to $-3.9$. Such a feature is very similar to the knee at the cosmic nuclei energy spectrum. In this work we propose that the knee-like feature can be explained naturally by assuming that the electrons are accelerated at the supernova remnants (SNRs) and released when the SNRs die "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10996","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":"2026-05-18T00:22:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rQYYpuYpteT6Df/1R3bC/WzgxYC+VpYkjNQJJh4S4PnOUizLp22hHmbgLrnkViVcRXFkaFxOyMNIdSMCSqy+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:10:29.247629Z"},"content_sha256":"8b6d76a2264144f7017982c9afe0cda0b1cebfdc8470e4fcf203cfeeeb1a038d","schema_version":"1.0","event_id":"sha256:8b6d76a2264144f7017982c9afe0cda0b1cebfdc8470e4fcf203cfeeeb1a038d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EM7EB2MLBLNUSXBWJ2MHKIDGPQ/bundle.json","state_url":"https://pith.science/pith/EM7EB2MLBLNUSXBWJ2MHKIDGPQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EM7EB2MLBLNUSXBWJ2MHKIDGPQ/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":"2026-05-25T17:10:29Z","links":{"resolver":"https://pith.science/pith/EM7EB2MLBLNUSXBWJ2MHKIDGPQ","bundle":"https://pith.science/pith/EM7EB2MLBLNUSXBWJ2MHKIDGPQ/bundle.json","state":"https://pith.science/pith/EM7EB2MLBLNUSXBWJ2MHKIDGPQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EM7EB2MLBLNUSXBWJ2MHKIDGPQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EM7EB2MLBLNUSXBWJ2MHKIDGPQ","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":"6aa71250da980d09681a0715dbdc87680e72072ebc5e3999430b6e824c999d52","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T18:18:13Z","title_canon_sha256":"6d929ee7a62fde41617e9001be79c5ca422ea7c49505b1d8d9c6451cab87a0ac"},"schema_version":"1.0","source":{"id":"1711.10996","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10996","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10996v1","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10996","created_at":"2026-05-18T00:22:27Z"},{"alias_kind":"pith_short_12","alias_value":"EM7EB2MLBLNU","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EM7EB2MLBLNUSXBW","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EM7EB2ML","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:8b6d76a2264144f7017982c9afe0cda0b1cebfdc8470e4fcf203cfeeeb1a038d","target":"graph","created_at":"2026-05-18T00:22:27Z","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":"The DArk Matter Particle Explorer (DAMPE), a space-based high precision cosmic ray detector, has just reported the new measurement of the total electron plus positron energy spectrum up to 4.6 TeV. A notable feature in the spectrum is the spectral break at $\\sim 0.9$ TeV, with the spectral index softening from $-3.1$ to $-3.9$. Such a feature is very similar to the knee at the cosmic nuclei energy spectrum. In this work we propose that the knee-like feature can be explained naturally by assuming that the electrons are accelerated at the supernova remnants (SNRs) and released when the SNRs die ","authors_text":"Kun Fang, Peng-fei Yin, Xiao-Jun Bi","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T18:18:13Z","title":"Explanation of the knee-like feature in the DAMPE cosmic $e^-+e^+$ energy spectrum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10996","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:f06cc5b885c6a6ef06b79f2d4605ec1506b619b19be19465cd44bf7e1c0a11b2","target":"record","created_at":"2026-05-18T00:22:27Z","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":"6aa71250da980d09681a0715dbdc87680e72072ebc5e3999430b6e824c999d52","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T18:18:13Z","title_canon_sha256":"6d929ee7a62fde41617e9001be79c5ca422ea7c49505b1d8d9c6451cab87a0ac"},"schema_version":"1.0","source":{"id":"1711.10996","kind":"arxiv","version":1}},"canonical_sha256":"233e40e98b0adb495c364e987520667c05f73042a8c63f882280726b3617dd08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"233e40e98b0adb495c364e987520667c05f73042a8c63f882280726b3617dd08","first_computed_at":"2026-05-18T00:22:27.071313Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:27.071313Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"guYbeNa+QVKdU8B0NgZLYmvrNEdLFrf3ZkkfyR/f1mC8wz80C5OWmo9H0KpE1stG4W8YTSfJPEpfYUSTIVj/DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:27.071936Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.10996","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f06cc5b885c6a6ef06b79f2d4605ec1506b619b19be19465cd44bf7e1c0a11b2","sha256:8b6d76a2264144f7017982c9afe0cda0b1cebfdc8470e4fcf203cfeeeb1a038d"],"state_sha256":"92c363e301909425084130c5a3d920f7e61636c754556643bb3e10b7664df950"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ztl+wawohzAfiwheX7Osi+hH6l3lYtxQ1Ta1GCG4sTxTW1CSTDpWd39MUWphw57+Xuxqf69DwHpNaXySuU2LAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:10:29.251466Z","bundle_sha256":"c1ce5d581e26aeddb11281310dec1023bb8ba9f25e6bbdca623165e91e4d6053"}}