{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:CQFQQUUN4CRZW2W62CY3Z7T5CD","short_pith_number":"pith:CQFQQUUN","canonical_record":{"source":{"id":"2202.11261","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-23T01:38:54Z","cross_cats_sorted":[],"title_canon_sha256":"63c6dc5a7860222a2fe3e5b77d0dccc6374401a7845d47238ed21ebb20c3069b","abstract_canon_sha256":"e05e084d4bd9459fa2dae0c80c482259adb1b29bd2afe20efc414cd85bbf6b83"},"schema_version":"1.0"},"canonical_sha256":"140b08528de0a39b6aded0b1bcfe7d10d33d5b1181674bcb16454a4a2343924d","source":{"kind":"arxiv","id":"2202.11261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.11261","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"arxiv_version","alias_value":"2202.11261v1","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.11261","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"pith_short_12","alias_value":"CQFQQUUN4CRZ","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"pith_short_16","alias_value":"CQFQQUUN4CRZW2W6","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"pith_short_8","alias_value":"CQFQQUUN","created_at":"2026-07-05T04:01:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:CQFQQUUN4CRZW2W62CY3Z7T5CD","target":"record","payload":{"canonical_record":{"source":{"id":"2202.11261","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-23T01:38:54Z","cross_cats_sorted":[],"title_canon_sha256":"63c6dc5a7860222a2fe3e5b77d0dccc6374401a7845d47238ed21ebb20c3069b","abstract_canon_sha256":"e05e084d4bd9459fa2dae0c80c482259adb1b29bd2afe20efc414cd85bbf6b83"},"schema_version":"1.0"},"canonical_sha256":"140b08528de0a39b6aded0b1bcfe7d10d33d5b1181674bcb16454a4a2343924d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:01:12.389550Z","signature_b64":"XVkRo2ARnDq9nkiPlK48q7OX4kyFqoRdTdO29OA4WpCstXLIvTAxgXP2Ba+B+mV8YAJC08Y+akuZwbUV7mVNBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"140b08528de0a39b6aded0b1bcfe7d10d33d5b1181674bcb16454a4a2343924d","last_reissued_at":"2026-07-05T04:01:12.389020Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:01:12.389020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.11261","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":"2026-07-05T04:01:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wBbd6z/IF+UwLegU236mLie13GNsZf75c0z8AqnlsEiQMUa0PnIw0uQvDGo/BVa0Os4q68tU9DAfo1gNDn4BAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T20:37:11.102232Z"},"content_sha256":"f938898140d330da239b472cfb158d8ea71d87b28125884a7d8ebb7a09cfb01b","schema_version":"1.0","event_id":"sha256:f938898140d330da239b472cfb158d8ea71d87b28125884a7d8ebb7a09cfb01b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:CQFQQUUN4CRZW2W62CY3Z7T5CD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extending the baseline for SMC X-1's spin and orbital behavior with NuSTAR stray light","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Jaodand, B.W. Grefenstette, D.J.K. Buisson, D. Wik, G. Mastroserio, J.A. Garcia, J.A. Tomsick, K.K. Madsen, M. Bachetti, McKinley C. Brumback (Caltech), R. Connors, R. Krivonos, R. Ludlam","submitted_at":"2022-02-23T01:38:54Z","abstract_excerpt":"StrayCats, the catalog of NuSTAR stray light observations, contains data from bright X-ray sources that fall within crowded source regions. These observations offer unique additional data with which to monitor sources like X-ray binaries that show variable timing behavior. In this work, we present a timing analysis of stray light data of the high mass X-ray binary SMC X-1, the first scientific analysis of a single source from the StrayCats project. We describe the process of screening stray light data for scientific analysis, verify the orbital ephemeris, and create both time and energy resolv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.11261","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/2202.11261/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":"2026-07-05T04:01:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N4lQqoo+VwtneObWQswm0zqQVMOGBK+etvAvyFESjtIsCo2pxGSEcRyha14YBKiPRXYByhR43D+trlmknZEsAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T20:37:11.103104Z"},"content_sha256":"8f13e36a81621f3aafe2cc71ff2277998c72c883220ad34f014f776bb4be3641","schema_version":"1.0","event_id":"sha256:8f13e36a81621f3aafe2cc71ff2277998c72c883220ad34f014f776bb4be3641"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CQFQQUUN4CRZW2W62CY3Z7T5CD/bundle.json","state_url":"https://pith.science/pith/CQFQQUUN4CRZW2W62CY3Z7T5CD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CQFQQUUN4CRZW2W62CY3Z7T5CD/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":"2026-08-14T20:37:11Z","links":{"resolver":"https://pith.science/pith/CQFQQUUN4CRZW2W62CY3Z7T5CD","bundle":"https://pith.science/pith/CQFQQUUN4CRZW2W62CY3Z7T5CD/bundle.json","state":"https://pith.science/pith/CQFQQUUN4CRZW2W62CY3Z7T5CD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CQFQQUUN4CRZW2W62CY3Z7T5CD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CQFQQUUN4CRZW2W62CY3Z7T5CD","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":"e05e084d4bd9459fa2dae0c80c482259adb1b29bd2afe20efc414cd85bbf6b83","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-23T01:38:54Z","title_canon_sha256":"63c6dc5a7860222a2fe3e5b77d0dccc6374401a7845d47238ed21ebb20c3069b"},"schema_version":"1.0","source":{"id":"2202.11261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.11261","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"arxiv_version","alias_value":"2202.11261v1","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.11261","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"pith_short_12","alias_value":"CQFQQUUN4CRZ","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"pith_short_16","alias_value":"CQFQQUUN4CRZW2W6","created_at":"2026-07-05T04:01:12Z"},{"alias_kind":"pith_short_8","alias_value":"CQFQQUUN","created_at":"2026-07-05T04:01:12Z"}],"graph_snapshots":[{"event_id":"sha256:8f13e36a81621f3aafe2cc71ff2277998c72c883220ad34f014f776bb4be3641","target":"graph","created_at":"2026-07-05T04:01:12Z","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/2202.11261/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"StrayCats, the catalog of NuSTAR stray light observations, contains data from bright X-ray sources that fall within crowded source regions. These observations offer unique additional data with which to monitor sources like X-ray binaries that show variable timing behavior. In this work, we present a timing analysis of stray light data of the high mass X-ray binary SMC X-1, the first scientific analysis of a single source from the StrayCats project. We describe the process of screening stray light data for scientific analysis, verify the orbital ephemeris, and create both time and energy resolv","authors_text":"A. Jaodand, B.W. Grefenstette, D.J.K. Buisson, D. Wik, G. Mastroserio, J.A. Garcia, J.A. Tomsick, K.K. Madsen, M. Bachetti, McKinley C. Brumback (Caltech), R. Connors, R. Krivonos, R. Ludlam","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-23T01:38:54Z","title":"Extending the baseline for SMC X-1's spin and orbital behavior with NuSTAR stray light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.11261","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:f938898140d330da239b472cfb158d8ea71d87b28125884a7d8ebb7a09cfb01b","target":"record","created_at":"2026-07-05T04:01:12Z","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":"e05e084d4bd9459fa2dae0c80c482259adb1b29bd2afe20efc414cd85bbf6b83","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-23T01:38:54Z","title_canon_sha256":"63c6dc5a7860222a2fe3e5b77d0dccc6374401a7845d47238ed21ebb20c3069b"},"schema_version":"1.0","source":{"id":"2202.11261","kind":"arxiv","version":1}},"canonical_sha256":"140b08528de0a39b6aded0b1bcfe7d10d33d5b1181674bcb16454a4a2343924d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"140b08528de0a39b6aded0b1bcfe7d10d33d5b1181674bcb16454a4a2343924d","first_computed_at":"2026-07-05T04:01:12.389020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:01:12.389020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XVkRo2ARnDq9nkiPlK48q7OX4kyFqoRdTdO29OA4WpCstXLIvTAxgXP2Ba+B+mV8YAJC08Y+akuZwbUV7mVNBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:01:12.389550Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.11261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f938898140d330da239b472cfb158d8ea71d87b28125884a7d8ebb7a09cfb01b","sha256:8f13e36a81621f3aafe2cc71ff2277998c72c883220ad34f014f776bb4be3641"],"state_sha256":"25dca54896b652a561d50075ea99bf5c66b30b54f9e77d71817b498e4beaf7a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8pWaY167u3oSusjfIPoVzFT7Oxpb5hv2dXNVZiavbi/3pfpi9eAhi1EjF2V6cGQdLbhaBeQtJoxvnYM1LJYADA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T20:37:11.111956Z","bundle_sha256":"6b62269b13aadb2a8c82622aa4c5dc2499e83c20a6293abbc1f8f0bf74bd8b37"}}