{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3XFT2IQEZ3JP5GCE4NHLQTGTNM","short_pith_number":"pith:3XFT2IQE","canonical_record":{"source":{"id":"1910.07804","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-10-17T10:10:40Z","cross_cats_sorted":[],"title_canon_sha256":"8136dd0c640294becd78d841892cc230d829bbd58152db21b5fc8787d835e084","abstract_canon_sha256":"a366915552314cfe43394d304bb98a45cfe5497b12108aa697fbdb2ebd6f5085"},"schema_version":"1.0"},"canonical_sha256":"ddcb3d2204ced2fe9844e34eb84cd36b1ee204257d716ec24cb5b1fe49d75406","source":{"kind":"arxiv","id":"1910.07804","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.07804","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"arxiv_version","alias_value":"1910.07804v1","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.07804","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"pith_short_12","alias_value":"3XFT2IQEZ3JP","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"pith_short_16","alias_value":"3XFT2IQEZ3JP5GCE","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"pith_short_8","alias_value":"3XFT2IQE","created_at":"2026-07-05T00:26:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3XFT2IQEZ3JP5GCE4NHLQTGTNM","target":"record","payload":{"canonical_record":{"source":{"id":"1910.07804","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-10-17T10:10:40Z","cross_cats_sorted":[],"title_canon_sha256":"8136dd0c640294becd78d841892cc230d829bbd58152db21b5fc8787d835e084","abstract_canon_sha256":"a366915552314cfe43394d304bb98a45cfe5497b12108aa697fbdb2ebd6f5085"},"schema_version":"1.0"},"canonical_sha256":"ddcb3d2204ced2fe9844e34eb84cd36b1ee204257d716ec24cb5b1fe49d75406","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:26:43.910786Z","signature_b64":"rJEjpRrgkSXwT4b4rMRRhxT7L+CRLK6NTUn8+MKjMTKvnkTqL19/RunAp9wwwrhI63A21zsrNd9cNPhBpB8+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddcb3d2204ced2fe9844e34eb84cd36b1ee204257d716ec24cb5b1fe49d75406","last_reissued_at":"2026-07-05T00:26:43.910261Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:26:43.910261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.07804","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":"2026-07-05T00:26:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"38mnd8Lx/azCIg6Grih+94VIyUN0csScRKF1oT0Fbfw4AKUjeyNhIGDp9tmzJ/ei2+h+YHEjShKbm5TcawgeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T07:03:45.504364Z"},"content_sha256":"3e33ffbc4617504617cbb340063768512d44823eb50ac80bcf48ae38c5c04354","schema_version":"1.0","event_id":"sha256:3e33ffbc4617504617cbb340063768512d44823eb50ac80bcf48ae38c5c04354"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3XFT2IQEZ3JP5GCE4NHLQTGTNM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral and Timing Properties of the Galactic X-ray transient Swift~J1658.2--4242 using Astrosat Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Athul. R. T, Bari Maqbool, Gitika Mall, Marykutty James, Ranjeev Misra, V. Jithesh","submitted_at":"2019-10-17T10:10:40Z","abstract_excerpt":"We present the X-ray timing and spectral analysis of the new Galactic X-ray transient Swift J1658.2-4242 observed with LAXPC and SXT instruments onboard {\\it Astrosat}. We detect prominent C-type quasi-periodic oscillations (QPOs) of frequencies varying from $\\sim 1.5$ Hz to $\\sim 6.6$ Hz along with distinct 2nd harmonics and sub-harmonics. The QPO detected at $\\sim 1.56$ Hz drifts to a higher centroid frequency of $\\sim 1.74$ in the course of the observation, while the QPO detected at $\\sim 6.6$\\,Hz disappeared during hard flarings. The fractional rms at the QPO and the sub-harmonic frequenci"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.07804","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/1910.07804/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":"2026-07-05T00:26:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ly1wRwBMn4Xq7ezL5NstZJ7zrtq9jqcz+t25IBeN3mY/LZNaGwvORBnbtFTFafOoe5VJoaq0meckrryaJySXAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T07:03:45.505114Z"},"content_sha256":"be72c2f5b5ad6460fb9231e5eabdfb0b0f428cf2d654ccc5b224d4363c1588eb","schema_version":"1.0","event_id":"sha256:be72c2f5b5ad6460fb9231e5eabdfb0b0f428cf2d654ccc5b224d4363c1588eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3XFT2IQEZ3JP5GCE4NHLQTGTNM/bundle.json","state_url":"https://pith.science/pith/3XFT2IQEZ3JP5GCE4NHLQTGTNM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3XFT2IQEZ3JP5GCE4NHLQTGTNM/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":"2026-08-10T07:03:45Z","links":{"resolver":"https://pith.science/pith/3XFT2IQEZ3JP5GCE4NHLQTGTNM","bundle":"https://pith.science/pith/3XFT2IQEZ3JP5GCE4NHLQTGTNM/bundle.json","state":"https://pith.science/pith/3XFT2IQEZ3JP5GCE4NHLQTGTNM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3XFT2IQEZ3JP5GCE4NHLQTGTNM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3XFT2IQEZ3JP5GCE4NHLQTGTNM","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":"a366915552314cfe43394d304bb98a45cfe5497b12108aa697fbdb2ebd6f5085","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-10-17T10:10:40Z","title_canon_sha256":"8136dd0c640294becd78d841892cc230d829bbd58152db21b5fc8787d835e084"},"schema_version":"1.0","source":{"id":"1910.07804","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.07804","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"arxiv_version","alias_value":"1910.07804v1","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.07804","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"pith_short_12","alias_value":"3XFT2IQEZ3JP","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"pith_short_16","alias_value":"3XFT2IQEZ3JP5GCE","created_at":"2026-07-05T00:26:43Z"},{"alias_kind":"pith_short_8","alias_value":"3XFT2IQE","created_at":"2026-07-05T00:26:43Z"}],"graph_snapshots":[{"event_id":"sha256:be72c2f5b5ad6460fb9231e5eabdfb0b0f428cf2d654ccc5b224d4363c1588eb","target":"graph","created_at":"2026-07-05T00:26:43Z","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/1910.07804/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the X-ray timing and spectral analysis of the new Galactic X-ray transient Swift J1658.2-4242 observed with LAXPC and SXT instruments onboard {\\it Astrosat}. We detect prominent C-type quasi-periodic oscillations (QPOs) of frequencies varying from $\\sim 1.5$ Hz to $\\sim 6.6$ Hz along with distinct 2nd harmonics and sub-harmonics. The QPO detected at $\\sim 1.56$ Hz drifts to a higher centroid frequency of $\\sim 1.74$ in the course of the observation, while the QPO detected at $\\sim 6.6$\\,Hz disappeared during hard flarings. The fractional rms at the QPO and the sub-harmonic frequenci","authors_text":"Athul. R. T, Bari Maqbool, Gitika Mall, Marykutty James, Ranjeev Misra, V. Jithesh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-10-17T10:10:40Z","title":"Spectral and Timing Properties of the Galactic X-ray transient Swift~J1658.2--4242 using Astrosat Observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.07804","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":"sha256:3e33ffbc4617504617cbb340063768512d44823eb50ac80bcf48ae38c5c04354","target":"record","created_at":"2026-07-05T00:26:43Z","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":"a366915552314cfe43394d304bb98a45cfe5497b12108aa697fbdb2ebd6f5085","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-10-17T10:10:40Z","title_canon_sha256":"8136dd0c640294becd78d841892cc230d829bbd58152db21b5fc8787d835e084"},"schema_version":"1.0","source":{"id":"1910.07804","kind":"arxiv","version":1}},"canonical_sha256":"ddcb3d2204ced2fe9844e34eb84cd36b1ee204257d716ec24cb5b1fe49d75406","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ddcb3d2204ced2fe9844e34eb84cd36b1ee204257d716ec24cb5b1fe49d75406","first_computed_at":"2026-07-05T00:26:43.910261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:26:43.910261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rJEjpRrgkSXwT4b4rMRRhxT7L+CRLK6NTUn8+MKjMTKvnkTqL19/RunAp9wwwrhI63A21zsrNd9cNPhBpB8+Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:26:43.910786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.07804","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e33ffbc4617504617cbb340063768512d44823eb50ac80bcf48ae38c5c04354","sha256:be72c2f5b5ad6460fb9231e5eabdfb0b0f428cf2d654ccc5b224d4363c1588eb"],"state_sha256":"feb77f196af6952adc3b2c828bfe14fb71a9c322f88ba2361327cebce3a41745"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KSKxoZGO6yb2JMNPfvCnHbtTxvj1F1efUOvA9CiCrYVS5d0AM4ntbFHEvI/1oBHYM2ATSqq27gr3mmgHBR/rBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T07:03:45.511851Z","bundle_sha256":"324f4bab4a217c15823fc5507fae89e2b52d3a1dd56189a6d4cd6345981b7301"}}