{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:YI2QMSMUQVEQMXKKV7OTHGUMR2","short_pith_number":"pith:YI2QMSMU","canonical_record":{"source":{"id":"1903.06421","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-15T09:23:08Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5a5cb02b5170a77a938c616a40767977de7dd9975be5f6c85c04b8240f798e21","abstract_canon_sha256":"208fb0c3fe06158b4252055414036ee6e834dc24ed4c8592178a69a371c3307b"},"schema_version":"1.0"},"canonical_sha256":"c2350649948549065d4aafdd339a8c8e84cb4012ecdb7bf53229c4eca14a1156","source":{"kind":"arxiv","id":"1903.06421","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.06421","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"arxiv_version","alias_value":"1903.06421v3","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.06421","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"pith_short_12","alias_value":"YI2QMSMUQVEQ","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"pith_short_16","alias_value":"YI2QMSMUQVEQMXKK","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"pith_short_8","alias_value":"YI2QMSMU","created_at":"2026-07-04T23:51:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:YI2QMSMUQVEQMXKKV7OTHGUMR2","target":"record","payload":{"canonical_record":{"source":{"id":"1903.06421","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-15T09:23:08Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5a5cb02b5170a77a938c616a40767977de7dd9975be5f6c85c04b8240f798e21","abstract_canon_sha256":"208fb0c3fe06158b4252055414036ee6e834dc24ed4c8592178a69a371c3307b"},"schema_version":"1.0"},"canonical_sha256":"c2350649948549065d4aafdd339a8c8e84cb4012ecdb7bf53229c4eca14a1156","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:51:40.213902Z","signature_b64":"TSpvjHFBm0u+f8vtxz3xay6zxgpvAQWRT8MFck2f85ieI1bOHAAT5ZTXrIgEHF0H7z30X/IppwVC8D2pj7hxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2350649948549065d4aafdd339a8c8e84cb4012ecdb7bf53229c4eca14a1156","last_reissued_at":"2026-07-04T23:51:40.213392Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:51:40.213392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.06421","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":"2026-07-04T23:51:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nxsq6V9JGvWlCZ8BUaKx88cbb0rLxdhy6S1ljwfur+Zci1dDx1i5YXXTA6650Rn9UqbDx1SNuNNl7x/cjvHZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T18:44:24.842740Z"},"content_sha256":"d20a6e1610a7d550b556600e45886c350e3377ea08ff22bdfe14b63185aeeb7a","schema_version":"1.0","event_id":"sha256:d20a6e1610a7d550b556600e45886c350e3377ea08ff22bdfe14b63185aeeb7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:YI2QMSMUQVEQMXKKV7OTHGUMR2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Possible origin of the slow-diffusion region around Geminga","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":"2019-03-15T09:23:08Z","abstract_excerpt":"Geminga pulsar is surrounded by a multi-TeV $\\gamma$-ray halo radiated by the high energy electrons and positrons accelerated by the central pulsar wind nebula (PWN). The angular profile of the $\\gamma$-ray emission reported by HAWC indicates an anomalously slow diffusion for the cosmic-ray electrons and positrons in the halo region around Geminga. In the paper we study the possible mechanism for the origin of the slow diffusion. At first, we consider the self-generated Alfv\\'en waves due to the streaming instability of the electrons and positrons released by Geminga. However, even considering"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.06421","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1903.06421/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":"2026-07-04T23:51:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MMig8L+K21+93ZQX8gOP08V5JBtC9fr7z0oTtxzyQcMn54tdLnzpzCmFiLi5cmEFdiSfm7592GlfbxUrhe8vBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T18:44:24.843243Z"},"content_sha256":"5d8397ae8c1fe85ce7c6a152ad31799251f24cccfdc9fe8fb3e6a4201d0351ee","schema_version":"1.0","event_id":"sha256:5d8397ae8c1fe85ce7c6a152ad31799251f24cccfdc9fe8fb3e6a4201d0351ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YI2QMSMUQVEQMXKKV7OTHGUMR2/bundle.json","state_url":"https://pith.science/pith/YI2QMSMUQVEQMXKKV7OTHGUMR2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YI2QMSMUQVEQMXKKV7OTHGUMR2/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":"2026-08-10T18:44:24Z","links":{"resolver":"https://pith.science/pith/YI2QMSMUQVEQMXKKV7OTHGUMR2","bundle":"https://pith.science/pith/YI2QMSMUQVEQMXKKV7OTHGUMR2/bundle.json","state":"https://pith.science/pith/YI2QMSMUQVEQMXKKV7OTHGUMR2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YI2QMSMUQVEQMXKKV7OTHGUMR2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:YI2QMSMUQVEQMXKKV7OTHGUMR2","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":"208fb0c3fe06158b4252055414036ee6e834dc24ed4c8592178a69a371c3307b","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-15T09:23:08Z","title_canon_sha256":"5a5cb02b5170a77a938c616a40767977de7dd9975be5f6c85c04b8240f798e21"},"schema_version":"1.0","source":{"id":"1903.06421","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.06421","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"arxiv_version","alias_value":"1903.06421v3","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.06421","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"pith_short_12","alias_value":"YI2QMSMUQVEQ","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"pith_short_16","alias_value":"YI2QMSMUQVEQMXKK","created_at":"2026-07-04T23:51:40Z"},{"alias_kind":"pith_short_8","alias_value":"YI2QMSMU","created_at":"2026-07-04T23:51:40Z"}],"graph_snapshots":[{"event_id":"sha256:5d8397ae8c1fe85ce7c6a152ad31799251f24cccfdc9fe8fb3e6a4201d0351ee","target":"graph","created_at":"2026-07-04T23:51:40Z","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/1903.06421/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Geminga pulsar is surrounded by a multi-TeV $\\gamma$-ray halo radiated by the high energy electrons and positrons accelerated by the central pulsar wind nebula (PWN). The angular profile of the $\\gamma$-ray emission reported by HAWC indicates an anomalously slow diffusion for the cosmic-ray electrons and positrons in the halo region around Geminga. In the paper we study the possible mechanism for the origin of the slow diffusion. At first, we consider the self-generated Alfv\\'en waves due to the streaming instability of the electrons and positrons released by Geminga. However, even considering","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":"2019-03-15T09:23:08Z","title":"Possible origin of the slow-diffusion region around Geminga"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.06421","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:d20a6e1610a7d550b556600e45886c350e3377ea08ff22bdfe14b63185aeeb7a","target":"record","created_at":"2026-07-04T23:51:40Z","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":"208fb0c3fe06158b4252055414036ee6e834dc24ed4c8592178a69a371c3307b","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-15T09:23:08Z","title_canon_sha256":"5a5cb02b5170a77a938c616a40767977de7dd9975be5f6c85c04b8240f798e21"},"schema_version":"1.0","source":{"id":"1903.06421","kind":"arxiv","version":3}},"canonical_sha256":"c2350649948549065d4aafdd339a8c8e84cb4012ecdb7bf53229c4eca14a1156","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2350649948549065d4aafdd339a8c8e84cb4012ecdb7bf53229c4eca14a1156","first_computed_at":"2026-07-04T23:51:40.213392Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:51:40.213392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TSpvjHFBm0u+f8vtxz3xay6zxgpvAQWRT8MFck2f85ieI1bOHAAT5ZTXrIgEHF0H7z30X/IppwVC8D2pj7hxBA==","signature_status":"signed_v1","signed_at":"2026-07-04T23:51:40.213902Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.06421","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d20a6e1610a7d550b556600e45886c350e3377ea08ff22bdfe14b63185aeeb7a","sha256:5d8397ae8c1fe85ce7c6a152ad31799251f24cccfdc9fe8fb3e6a4201d0351ee"],"state_sha256":"4e85c8afacb49de1f11cbe5b615271674abefd1a56d4996fb2408779874c3546"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dEI5UjnpyiiNanbdM0GA3ay+avrhwNsa6DRcKrSZg1GspcqLrkiwyBRfkjJELGVsQjjPFY9qxUw+KEKrVWotBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T18:44:24.848339Z","bundle_sha256":"10c05d63a56f9ac91fc1cc7105aa100a51456ac3b5ce2c3e2f99d0e134ac0d10"}}