{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:RBFHBZFQE3F3ZFNDPSWKJL7Z54","short_pith_number":"pith:RBFHBZFQ","canonical_record":{"source":{"id":"0907.5308","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-30T11:00:26Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"a2ea3f0662d5c486db1e5fcdecc9bf2e8691b44990081277009401a041f0e033","abstract_canon_sha256":"35cf18bf585a131d592baed2eab00d145b3c5ba9597aedef8d51d71a784ffc17"},"schema_version":"1.0"},"canonical_sha256":"884a70e4b026cbbc95a37caca4aff9ef23323e82df242bbb8def780dfef7e0fb","source":{"kind":"arxiv","id":"0907.5308","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.5308","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"0907.5308v1","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.5308","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"RBFHBZFQE3F3","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"RBFHBZFQE3F3ZFND","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"RBFHBZFQ","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:RBFHBZFQE3F3ZFNDPSWKJL7Z54","target":"record","payload":{"canonical_record":{"source":{"id":"0907.5308","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-30T11:00:26Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"a2ea3f0662d5c486db1e5fcdecc9bf2e8691b44990081277009401a041f0e033","abstract_canon_sha256":"35cf18bf585a131d592baed2eab00d145b3c5ba9597aedef8d51d71a784ffc17"},"schema_version":"1.0"},"canonical_sha256":"884a70e4b026cbbc95a37caca4aff9ef23323e82df242bbb8def780dfef7e0fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:46.152674Z","signature_b64":"dvX4Wzxl1IxoBQ5tWJphQj1zY9uKrF4D6DaEMko0BnB1yI5BJeWjhCp0Sc4Sd52dN35w5PhdjcAGniarRuauAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"884a70e4b026cbbc95a37caca4aff9ef23323e82df242bbb8def780dfef7e0fb","last_reissued_at":"2026-05-18T02:12:46.152007Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:46.152007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.5308","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":"2026-05-18T02:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O1YSEmXUSBsHt/UDFdZCum23AIjJmh4QMcoe3R+sWMWL72lDLWpxLvJZFODi5nWMTLLLZgf0EcwxLwglkuD7Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:47:40.026510Z"},"content_sha256":"f609c40e25d3af85c811bd29a788cfcd69ea81509ec5a20a843b85c0f15326d2","schema_version":"1.0","event_id":"sha256:f609c40e25d3af85c811bd29a788cfcd69ea81509ec5a20a843b85c0f15326d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:RBFHBZFQE3F3ZFNDPSWKJL7Z54","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The X-ray Properties of the Energetic Pulsar PSR J1838-0655","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"Chorng-Yuan Hwang, Jau-Shian Liang, Jumpei Takata, Lupin Chun-Che Lin","submitted_at":"2009-07-30T11:00:26Z","abstract_excerpt":"We present and interpret several new X-ray features of the X-ray pulsar PSR J1838-0655. The X-ray data are obtained from the archival data of CHANDRA, RXTE}, and SUZAKU. We combine all these X-ray data and fit the spectra with different models. We find that the joint spectra are difficult to fit with a single power law; a broken power-law model with a break at around 6.5 keV can improve the fit significantly. The photon index changes from $\\Gamma$ = 1.0 (below 6.5 keV) to $\\Gamma$ = 1.5 (above 6.5 keV); this indicates a softer spectral behaviour at hard X-rays. The X-ray flux at 2-20 keV is fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.5308","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":"2026-05-18T02:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7rxlCb13b8JWxGL98rWNOADNn+c0vtDLADHZzjJOtnVXFVseT098oAHIYaNLBfmq3Z1RNs+g3uL0Z/XPt1dzAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:47:40.027220Z"},"content_sha256":"b97718fbd7a0208971a3eee600c42477a3e7c0465f3015b7fad88726ba54eeae","schema_version":"1.0","event_id":"sha256:b97718fbd7a0208971a3eee600c42477a3e7c0465f3015b7fad88726ba54eeae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RBFHBZFQE3F3ZFNDPSWKJL7Z54/bundle.json","state_url":"https://pith.science/pith/RBFHBZFQE3F3ZFNDPSWKJL7Z54/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RBFHBZFQE3F3ZFNDPSWKJL7Z54/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":"2026-05-27T13:47:40Z","links":{"resolver":"https://pith.science/pith/RBFHBZFQE3F3ZFNDPSWKJL7Z54","bundle":"https://pith.science/pith/RBFHBZFQE3F3ZFNDPSWKJL7Z54/bundle.json","state":"https://pith.science/pith/RBFHBZFQE3F3ZFNDPSWKJL7Z54/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RBFHBZFQE3F3ZFNDPSWKJL7Z54/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:RBFHBZFQE3F3ZFNDPSWKJL7Z54","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":"35cf18bf585a131d592baed2eab00d145b3c5ba9597aedef8d51d71a784ffc17","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-30T11:00:26Z","title_canon_sha256":"a2ea3f0662d5c486db1e5fcdecc9bf2e8691b44990081277009401a041f0e033"},"schema_version":"1.0","source":{"id":"0907.5308","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.5308","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"0907.5308v1","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.5308","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"RBFHBZFQE3F3","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"RBFHBZFQE3F3ZFND","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"RBFHBZFQ","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:b97718fbd7a0208971a3eee600c42477a3e7c0465f3015b7fad88726ba54eeae","target":"graph","created_at":"2026-05-18T02:12:46Z","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":"We present and interpret several new X-ray features of the X-ray pulsar PSR J1838-0655. The X-ray data are obtained from the archival data of CHANDRA, RXTE}, and SUZAKU. We combine all these X-ray data and fit the spectra with different models. We find that the joint spectra are difficult to fit with a single power law; a broken power-law model with a break at around 6.5 keV can improve the fit significantly. The photon index changes from $\\Gamma$ = 1.0 (below 6.5 keV) to $\\Gamma$ = 1.5 (above 6.5 keV); this indicates a softer spectral behaviour at hard X-rays. The X-ray flux at 2-20 keV is fo","authors_text":"Chorng-Yuan Hwang, Jau-Shian Liang, Jumpei Takata, Lupin Chun-Che Lin","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-30T11:00:26Z","title":"The X-ray Properties of the Energetic Pulsar PSR J1838-0655"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.5308","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:f609c40e25d3af85c811bd29a788cfcd69ea81509ec5a20a843b85c0f15326d2","target":"record","created_at":"2026-05-18T02:12:46Z","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":"35cf18bf585a131d592baed2eab00d145b3c5ba9597aedef8d51d71a784ffc17","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-30T11:00:26Z","title_canon_sha256":"a2ea3f0662d5c486db1e5fcdecc9bf2e8691b44990081277009401a041f0e033"},"schema_version":"1.0","source":{"id":"0907.5308","kind":"arxiv","version":1}},"canonical_sha256":"884a70e4b026cbbc95a37caca4aff9ef23323e82df242bbb8def780dfef7e0fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"884a70e4b026cbbc95a37caca4aff9ef23323e82df242bbb8def780dfef7e0fb","first_computed_at":"2026-05-18T02:12:46.152007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:46.152007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dvX4Wzxl1IxoBQ5tWJphQj1zY9uKrF4D6DaEMko0BnB1yI5BJeWjhCp0Sc4Sd52dN35w5PhdjcAGniarRuauAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:46.152674Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.5308","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f609c40e25d3af85c811bd29a788cfcd69ea81509ec5a20a843b85c0f15326d2","sha256:b97718fbd7a0208971a3eee600c42477a3e7c0465f3015b7fad88726ba54eeae"],"state_sha256":"a98b6226a0eaba892c1a15ebc52380c119c02ae678a5a04da88f34fb18bdd772"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WRxv6Fymh4pwz69WH1M/6O6haeYbHdarR8bMW9w57COoj7o0mpJ9ZqmhvxwR18O3hExq27IPasE0s8XIgLPVAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:47:40.030945Z","bundle_sha256":"7e35fed2442ff45624875fe24e3cd302fb056f685bbbeac428744250d0e0e6f4"}}