{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:6QD6CF5MGWM5ZHS57JJNRDM4VK","short_pith_number":"pith:6QD6CF5M","canonical_record":{"source":{"id":"astro-ph/0509760","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-26T16:11:59Z","cross_cats_sorted":[],"title_canon_sha256":"c3a04e3504a8d708cdb2c8b5160364e3498d422a3c39c7a3af6a606f8b2a4417","abstract_canon_sha256":"a01604469abc5024c66db0ddf647ac92a09ebf48bac034c41d7cd4b8270c550f"},"schema_version":"1.0"},"canonical_sha256":"f407e117ac3599dc9e5dfa52d88d9caaaf6b15e6632490812f0838fe49703d43","source":{"kind":"arxiv","id":"astro-ph/0509760","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509760","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509760v1","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509760","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"pith_short_12","alias_value":"6QD6CF5MGWM5","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"pith_short_16","alias_value":"6QD6CF5MGWM5ZHS5","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"pith_short_8","alias_value":"6QD6CF5M","created_at":"2026-07-04T17:15:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:6QD6CF5MGWM5ZHS57JJNRDM4VK","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0509760","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-26T16:11:59Z","cross_cats_sorted":[],"title_canon_sha256":"c3a04e3504a8d708cdb2c8b5160364e3498d422a3c39c7a3af6a606f8b2a4417","abstract_canon_sha256":"a01604469abc5024c66db0ddf647ac92a09ebf48bac034c41d7cd4b8270c550f"},"schema_version":"1.0"},"canonical_sha256":"f407e117ac3599dc9e5dfa52d88d9caaaf6b15e6632490812f0838fe49703d43","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:15:13.919482Z","signature_b64":"DImQ+6rIkMGJv1fTzWmd99VLi/jIIrih0naBsnPIobom2Ro1b2IZ95x2XzRuztTYYT+1nTkbxFl83ne09FZGDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f407e117ac3599dc9e5dfa52d88d9caaaf6b15e6632490812f0838fe49703d43","last_reissued_at":"2026-07-04T17:15:13.919064Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:15:13.919064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0509760","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":"2026-07-04T17:15:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"stx8wXYqjOIzj93EhmU/AEbSZF7PNVvVyQE6lWSL5K5pogmqm0bZDZPbTWU9HSfzGVP/htPJ9KoDluEgyuunDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T12:05:05.703937Z"},"content_sha256":"a09f693e3b2f868e8f2ee56ed0d5a569764d07fb17734d774c42a5ddf4511a23","schema_version":"1.0","event_id":"sha256:a09f693e3b2f868e8f2ee56ed0d5a569764d07fb17734d774c42a5ddf4511a23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:6QD6CF5MGWM5ZHS57JJNRDM4VK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Could electron-positron annihilation lines in the Galactic center result from pulsar winds?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C.S.J. Pun, K. S. Cheng (HKU), W. Wang (MPE)","submitted_at":"2005-09-26T16:11:59Z","abstract_excerpt":"we study the possibility of pulsar winds in the Galactic center (GC) to produce the 511 keV line. We propose that there may exist three possible scenarios of pulsar winds as the positron sources: normal pulsars; rapidly spinning strongly magnetized neutron stars in GRB progenitors; a population of millisecond pulsars in the Galactic center region. These $e^\\pm$pairs could be trapped in the region by the magnetic field in the GC, and cool through the synchrotron radiation and Coulomb interactions with the medium. The cooling timescales are lower than the diffuse timescale of positrons, so low e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509760","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0509760/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":"2026-07-04T17:15:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"39aarGhZjl33DXsI3l4ksFdFzJ2uHgwyc1nOhUllxVzCRsaG4Jp9dkqJPJd20sKYlPqJwrNoQzYlkpdmpjuXDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T12:05:05.705053Z"},"content_sha256":"a8a0fca34b3ef79bfc1968fdbd098224fe9d05a586d5ef3b88c01bb772e7a87b","schema_version":"1.0","event_id":"sha256:a8a0fca34b3ef79bfc1968fdbd098224fe9d05a586d5ef3b88c01bb772e7a87b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6QD6CF5MGWM5ZHS57JJNRDM4VK/bundle.json","state_url":"https://pith.science/pith/6QD6CF5MGWM5ZHS57JJNRDM4VK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6QD6CF5MGWM5ZHS57JJNRDM4VK/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":"2026-08-15T12:05:05Z","links":{"resolver":"https://pith.science/pith/6QD6CF5MGWM5ZHS57JJNRDM4VK","bundle":"https://pith.science/pith/6QD6CF5MGWM5ZHS57JJNRDM4VK/bundle.json","state":"https://pith.science/pith/6QD6CF5MGWM5ZHS57JJNRDM4VK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6QD6CF5MGWM5ZHS57JJNRDM4VK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:6QD6CF5MGWM5ZHS57JJNRDM4VK","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":"a01604469abc5024c66db0ddf647ac92a09ebf48bac034c41d7cd4b8270c550f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-26T16:11:59Z","title_canon_sha256":"c3a04e3504a8d708cdb2c8b5160364e3498d422a3c39c7a3af6a606f8b2a4417"},"schema_version":"1.0","source":{"id":"astro-ph/0509760","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509760","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509760v1","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509760","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"pith_short_12","alias_value":"6QD6CF5MGWM5","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"pith_short_16","alias_value":"6QD6CF5MGWM5ZHS5","created_at":"2026-07-04T17:15:13Z"},{"alias_kind":"pith_short_8","alias_value":"6QD6CF5M","created_at":"2026-07-04T17:15:13Z"}],"graph_snapshots":[{"event_id":"sha256:a8a0fca34b3ef79bfc1968fdbd098224fe9d05a586d5ef3b88c01bb772e7a87b","target":"graph","created_at":"2026-07-04T17:15:13Z","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/astro-ph/0509760/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"we study the possibility of pulsar winds in the Galactic center (GC) to produce the 511 keV line. We propose that there may exist three possible scenarios of pulsar winds as the positron sources: normal pulsars; rapidly spinning strongly magnetized neutron stars in GRB progenitors; a population of millisecond pulsars in the Galactic center region. These $e^\\pm$pairs could be trapped in the region by the magnetic field in the GC, and cool through the synchrotron radiation and Coulomb interactions with the medium. The cooling timescales are lower than the diffuse timescale of positrons, so low e","authors_text":"C.S.J. Pun, K. S. Cheng (HKU), W. Wang (MPE)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-09-26T16:11:59Z","title":"Could electron-positron annihilation lines in the Galactic center result from pulsar winds?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509760","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:a09f693e3b2f868e8f2ee56ed0d5a569764d07fb17734d774c42a5ddf4511a23","target":"record","created_at":"2026-07-04T17:15:13Z","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":"a01604469abc5024c66db0ddf647ac92a09ebf48bac034c41d7cd4b8270c550f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-26T16:11:59Z","title_canon_sha256":"c3a04e3504a8d708cdb2c8b5160364e3498d422a3c39c7a3af6a606f8b2a4417"},"schema_version":"1.0","source":{"id":"astro-ph/0509760","kind":"arxiv","version":1}},"canonical_sha256":"f407e117ac3599dc9e5dfa52d88d9caaaf6b15e6632490812f0838fe49703d43","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f407e117ac3599dc9e5dfa52d88d9caaaf6b15e6632490812f0838fe49703d43","first_computed_at":"2026-07-04T17:15:13.919064Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:15:13.919064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DImQ+6rIkMGJv1fTzWmd99VLi/jIIrih0naBsnPIobom2Ro1b2IZ95x2XzRuztTYYT+1nTkbxFl83ne09FZGDw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:15:13.919482Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0509760","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a09f693e3b2f868e8f2ee56ed0d5a569764d07fb17734d774c42a5ddf4511a23","sha256:a8a0fca34b3ef79bfc1968fdbd098224fe9d05a586d5ef3b88c01bb772e7a87b"],"state_sha256":"a5295a1e0ecebe251f82c01e0c8dd2d7de43923623c9779117a5bd89511d08fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hUfQMIentTvdcRAxvG+LB1q8epLlAzjXc6Db8MnwRZ+OQWEwTxgsF96Q8mZcz168yr0aSmT9ei9sdnupfDGFBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T12:05:05.711266Z","bundle_sha256":"3b8d54e5bb25e97c25808a0689813e7dfc2ed7de4b7458c4c8cdd5608e2f1939"}}