{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:KMI3FVQUJLXPNJVOSSF4L4JWNP","short_pith_number":"pith:KMI3FVQU","canonical_record":{"source":{"id":"1711.11105","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T21:07:29Z","cross_cats_sorted":[],"title_canon_sha256":"d615562c85ff0262b9d1d7533387dd6b636650df8a77a67faddbc6ee98c3842d","abstract_canon_sha256":"c996a79c439b773a050c8bd0406e24370a416939daa03e6f0051d4b02832499b"},"schema_version":"1.0"},"canonical_sha256":"5311b2d6144aeef6a6ae948bc5f1366be08c264e783f20bae5413789f25a14d0","source":{"kind":"arxiv","id":"1711.11105","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.11105","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"arxiv_version","alias_value":"1711.11105v2","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.11105","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"pith_short_12","alias_value":"KMI3FVQUJLXP","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KMI3FVQUJLXPNJVO","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KMI3FVQU","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:KMI3FVQUJLXPNJVOSSF4L4JWNP","target":"record","payload":{"canonical_record":{"source":{"id":"1711.11105","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T21:07:29Z","cross_cats_sorted":[],"title_canon_sha256":"d615562c85ff0262b9d1d7533387dd6b636650df8a77a67faddbc6ee98c3842d","abstract_canon_sha256":"c996a79c439b773a050c8bd0406e24370a416939daa03e6f0051d4b02832499b"},"schema_version":"1.0"},"canonical_sha256":"5311b2d6144aeef6a6ae948bc5f1366be08c264e783f20bae5413789f25a14d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:48.006872Z","signature_b64":"/Zc5vivEXKyn1GwmNgzzpaZVdToM/4W9pHzvBvbgYLkbSmxo6UHJoE4+grMP55TavPIvzoz59ruzlFvTap+hCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5311b2d6144aeef6a6ae948bc5f1366be08c264e783f20bae5413789f25a14d0","last_reissued_at":"2026-05-18T00:24:48.006209Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:48.006209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.11105","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":"2026-05-18T00:24:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DpkNNdgdnAd3xpn2I7p/tOPM85zRfcd7A2kqXxxqcy3QjjK+S35N9Xh3chxTvClR3UidNYF1lSxDo8e+5HcfAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:15:17.528595Z"},"content_sha256":"3789a8f8fa7daeaa06b12fd60697b2093391042bc3f4fca89484cdc8c884d38e","schema_version":"1.0","event_id":"sha256:3789a8f8fa7daeaa06b12fd60697b2093391042bc3f4fca89484cdc8c884d38e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:KMI3FVQUJLXPNJVOSSF4L4JWNP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A possible phase dependent absorption feature in the transient X-ray pulsar SAX J2103.5+4545","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Felix S. F\\\"urst, John A. Tomsick, J\\\"orn Wilms, Katja Pottschmidt, McKinley C. Brumback, Paul Hemphill, Ralf Ballhausen, Ryan C. Hickox","submitted_at":"2017-11-29T21:07:29Z","abstract_excerpt":"We present an X-ray spectral and timing analysis of two $NuSTAR$ observations of the transient Be X-ray binary SAX J2103.5+4545 during its April 2016 outburst, which was characterized by the highest flux since $NuSTAR$'s launch. These observations provide detailed hard X-ray spectra of this source during its bright precursor flare and subsequent fainter regular outburst for the first time. In this work, we model the phase-averaged spectra for these observations with a negative and positive power law with an exponential cut-off (NPEX) model and compare the pulse profiles at different flux state"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.11105","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":""},"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":"2026-05-18T00:24:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RCVhrTFvAfruYDkEHLQC5LQnfIm6VyU0Qjf6qy1from1d4X8UC4MAx6TH9BqRu2JiENDsac/M1yFSS0SNximDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:15:17.529219Z"},"content_sha256":"e22a886ce6c0f590667b66a7646259d3148d929296d7c3314e1c2bece23ee217","schema_version":"1.0","event_id":"sha256:e22a886ce6c0f590667b66a7646259d3148d929296d7c3314e1c2bece23ee217"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KMI3FVQUJLXPNJVOSSF4L4JWNP/bundle.json","state_url":"https://pith.science/pith/KMI3FVQUJLXPNJVOSSF4L4JWNP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KMI3FVQUJLXPNJVOSSF4L4JWNP/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":"2026-05-28T23:15:17Z","links":{"resolver":"https://pith.science/pith/KMI3FVQUJLXPNJVOSSF4L4JWNP","bundle":"https://pith.science/pith/KMI3FVQUJLXPNJVOSSF4L4JWNP/bundle.json","state":"https://pith.science/pith/KMI3FVQUJLXPNJVOSSF4L4JWNP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KMI3FVQUJLXPNJVOSSF4L4JWNP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KMI3FVQUJLXPNJVOSSF4L4JWNP","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":"c996a79c439b773a050c8bd0406e24370a416939daa03e6f0051d4b02832499b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T21:07:29Z","title_canon_sha256":"d615562c85ff0262b9d1d7533387dd6b636650df8a77a67faddbc6ee98c3842d"},"schema_version":"1.0","source":{"id":"1711.11105","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.11105","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"arxiv_version","alias_value":"1711.11105v2","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.11105","created_at":"2026-05-18T00:24:48Z"},{"alias_kind":"pith_short_12","alias_value":"KMI3FVQUJLXP","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"KMI3FVQUJLXPNJVO","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"KMI3FVQU","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:e22a886ce6c0f590667b66a7646259d3148d929296d7c3314e1c2bece23ee217","target":"graph","created_at":"2026-05-18T00:24:48Z","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 an X-ray spectral and timing analysis of two $NuSTAR$ observations of the transient Be X-ray binary SAX J2103.5+4545 during its April 2016 outburst, which was characterized by the highest flux since $NuSTAR$'s launch. These observations provide detailed hard X-ray spectra of this source during its bright precursor flare and subsequent fainter regular outburst for the first time. In this work, we model the phase-averaged spectra for these observations with a negative and positive power law with an exponential cut-off (NPEX) model and compare the pulse profiles at different flux state","authors_text":"Felix S. F\\\"urst, John A. Tomsick, J\\\"orn Wilms, Katja Pottschmidt, McKinley C. Brumback, Paul Hemphill, Ralf Ballhausen, Ryan C. Hickox","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T21:07:29Z","title":"A possible phase dependent absorption feature in the transient X-ray pulsar SAX J2103.5+4545"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.11105","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":"sha256:3789a8f8fa7daeaa06b12fd60697b2093391042bc3f4fca89484cdc8c884d38e","target":"record","created_at":"2026-05-18T00:24:48Z","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":"c996a79c439b773a050c8bd0406e24370a416939daa03e6f0051d4b02832499b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-29T21:07:29Z","title_canon_sha256":"d615562c85ff0262b9d1d7533387dd6b636650df8a77a67faddbc6ee98c3842d"},"schema_version":"1.0","source":{"id":"1711.11105","kind":"arxiv","version":2}},"canonical_sha256":"5311b2d6144aeef6a6ae948bc5f1366be08c264e783f20bae5413789f25a14d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5311b2d6144aeef6a6ae948bc5f1366be08c264e783f20bae5413789f25a14d0","first_computed_at":"2026-05-18T00:24:48.006209Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:48.006209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/Zc5vivEXKyn1GwmNgzzpaZVdToM/4W9pHzvBvbgYLkbSmxo6UHJoE4+grMP55TavPIvzoz59ruzlFvTap+hCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:48.006872Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.11105","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3789a8f8fa7daeaa06b12fd60697b2093391042bc3f4fca89484cdc8c884d38e","sha256:e22a886ce6c0f590667b66a7646259d3148d929296d7c3314e1c2bece23ee217"],"state_sha256":"918ac731e987321a6cdbc2eb66786f251b898c5790c4d5124e55aa848e6feba8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S0xnr8edaXYe1yYhwwcwpMVnazvwzs2png4WVSCNHiIdFQbBf2yH4qG+Ij/hp09KWk4DG5AfaoIeQj4s7GF5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:15:17.532761Z","bundle_sha256":"8ead489f7b3f5b6ce183e4cbdff2ced5bcf438e45f9a974516bf270dafbe336b"}}