{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VJRLDFOVF3W3RKOZZTOYS2U3XO","short_pith_number":"pith:VJRLDFOV","canonical_record":{"source":{"id":"1702.08383","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-27T17:12:45Z","cross_cats_sorted":[],"title_canon_sha256":"bbc2f55b7321bf3b351fee034e92da548fc0cd71bb03ecdcd5bb10e80147f6b2","abstract_canon_sha256":"bba947cf00a0168fdd6c49acc5e1bbbc502dd2473dc7bac2de5ebd585982b70b"},"schema_version":"1.0"},"canonical_sha256":"aa62b195d52eedb8a9d9ccdd896a9bbb9b36768e37674540069fde8609bd67ee","source":{"kind":"arxiv","id":"1702.08383","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.08383","created_at":"2026-05-18T00:07:12Z"},{"alias_kind":"arxiv_version","alias_value":"1702.08383v3","created_at":"2026-05-18T00:07:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.08383","created_at":"2026-05-18T00:07:12Z"},{"alias_kind":"pith_short_12","alias_value":"VJRLDFOVF3W3","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VJRLDFOVF3W3RKOZ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VJRLDFOV","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VJRLDFOVF3W3RKOZZTOYS2U3XO","target":"record","payload":{"canonical_record":{"source":{"id":"1702.08383","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-27T17:12:45Z","cross_cats_sorted":[],"title_canon_sha256":"bbc2f55b7321bf3b351fee034e92da548fc0cd71bb03ecdcd5bb10e80147f6b2","abstract_canon_sha256":"bba947cf00a0168fdd6c49acc5e1bbbc502dd2473dc7bac2de5ebd585982b70b"},"schema_version":"1.0"},"canonical_sha256":"aa62b195d52eedb8a9d9ccdd896a9bbb9b36768e37674540069fde8609bd67ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:12.353146Z","signature_b64":"cr0nnXgJ8nQaZpXvr0Eg/DhK28TUJV61DDqQEz8otzI2vzZIv3dWtANYod9ld7TtJXz0UbeMuao0XsD0qYYoBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa62b195d52eedb8a9d9ccdd896a9bbb9b36768e37674540069fde8609bd67ee","last_reissued_at":"2026-05-18T00:07:12.352622Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:12.352622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.08383","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:07:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fn9j2oTiWBVW3T+aAAXfSGLhyUwqFJaSQ2hjIBG4WYaBm7fnX0E1R7cLZEOcBWSim+mdMGurLblG48kPC9x+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T13:25:25.233433Z"},"content_sha256":"110819efb527d8217d3979530292470c4149020fd547c42a00f59aaad5c67402","schema_version":"1.0","event_id":"sha256:110819efb527d8217d3979530292470c4149020fd547c42a00f59aaad5c67402"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VJRLDFOVF3W3RKOZZTOYS2U3XO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large-amplitude rapid X-ray variability in the narrow-line Seyfert 1 galaxy PG 1404$+$226","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Gulab C. Dewangan, Labani Mallick","submitted_at":"2017-02-27T17:12:45Z","abstract_excerpt":"We present the first results from a detailed analysis of a new, long ($\\sim100$ ks) XMM-Newton observation of the narrow-line Seyfert 1 galaxy PG 1404$+$226 which showed a large-amplitude, rapid X-ray variability by a factor of $\\sim7$ in $\\sim10$ ks with an exponential rise and a sharp fall in the count rate. We investigate the origin of the soft X-ray excess emission and rapid X-ray variability in the source through time-resolved spectroscopy and fractional root-mean-squared (rms) spectral modeling. The strong soft X-ray excess below 1 keV observed both in the time-averaged and time-resolved"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.08383","kind":"arxiv","version":3},"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":"2026-05-18T00:07:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"941H/iWA0VLHBfZiOFtwbYexFbhJI7XaPEaqSoeBGzI86vY0KsfA/n3z+X8YpB31T7pAuvCY9MXvj74JUcHWDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T13:25:25.233777Z"},"content_sha256":"c5696624425f921653000a35f7a0f044a6f70a51fc564b4d1f33103cdb88d635","schema_version":"1.0","event_id":"sha256:c5696624425f921653000a35f7a0f044a6f70a51fc564b4d1f33103cdb88d635"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VJRLDFOVF3W3RKOZZTOYS2U3XO/bundle.json","state_url":"https://pith.science/pith/VJRLDFOVF3W3RKOZZTOYS2U3XO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VJRLDFOVF3W3RKOZZTOYS2U3XO/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":"2026-06-28T13:25:25Z","links":{"resolver":"https://pith.science/pith/VJRLDFOVF3W3RKOZZTOYS2U3XO","bundle":"https://pith.science/pith/VJRLDFOVF3W3RKOZZTOYS2U3XO/bundle.json","state":"https://pith.science/pith/VJRLDFOVF3W3RKOZZTOYS2U3XO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VJRLDFOVF3W3RKOZZTOYS2U3XO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VJRLDFOVF3W3RKOZZTOYS2U3XO","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":"bba947cf00a0168fdd6c49acc5e1bbbc502dd2473dc7bac2de5ebd585982b70b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-27T17:12:45Z","title_canon_sha256":"bbc2f55b7321bf3b351fee034e92da548fc0cd71bb03ecdcd5bb10e80147f6b2"},"schema_version":"1.0","source":{"id":"1702.08383","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.08383","created_at":"2026-05-18T00:07:12Z"},{"alias_kind":"arxiv_version","alias_value":"1702.08383v3","created_at":"2026-05-18T00:07:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.08383","created_at":"2026-05-18T00:07:12Z"},{"alias_kind":"pith_short_12","alias_value":"VJRLDFOVF3W3","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VJRLDFOVF3W3RKOZ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VJRLDFOV","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:c5696624425f921653000a35f7a0f044a6f70a51fc564b4d1f33103cdb88d635","target":"graph","created_at":"2026-05-18T00:07:12Z","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"},"paper":{"abstract_excerpt":"We present the first results from a detailed analysis of a new, long ($\\sim100$ ks) XMM-Newton observation of the narrow-line Seyfert 1 galaxy PG 1404$+$226 which showed a large-amplitude, rapid X-ray variability by a factor of $\\sim7$ in $\\sim10$ ks with an exponential rise and a sharp fall in the count rate. We investigate the origin of the soft X-ray excess emission and rapid X-ray variability in the source through time-resolved spectroscopy and fractional root-mean-squared (rms) spectral modeling. The strong soft X-ray excess below 1 keV observed both in the time-averaged and time-resolved","authors_text":"Gulab C. Dewangan, Labani Mallick","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-27T17:12:45Z","title":"Large-amplitude rapid X-ray variability in the narrow-line Seyfert 1 galaxy PG 1404$+$226"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.08383","kind":"arxiv","version":3},"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":"sha256:110819efb527d8217d3979530292470c4149020fd547c42a00f59aaad5c67402","target":"record","created_at":"2026-05-18T00:07:12Z","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":"bba947cf00a0168fdd6c49acc5e1bbbc502dd2473dc7bac2de5ebd585982b70b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-27T17:12:45Z","title_canon_sha256":"bbc2f55b7321bf3b351fee034e92da548fc0cd71bb03ecdcd5bb10e80147f6b2"},"schema_version":"1.0","source":{"id":"1702.08383","kind":"arxiv","version":3}},"canonical_sha256":"aa62b195d52eedb8a9d9ccdd896a9bbb9b36768e37674540069fde8609bd67ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa62b195d52eedb8a9d9ccdd896a9bbb9b36768e37674540069fde8609bd67ee","first_computed_at":"2026-05-18T00:07:12.352622Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:12.352622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cr0nnXgJ8nQaZpXvr0Eg/DhK28TUJV61DDqQEz8otzI2vzZIv3dWtANYod9ld7TtJXz0UbeMuao0XsD0qYYoBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:12.353146Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.08383","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:110819efb527d8217d3979530292470c4149020fd547c42a00f59aaad5c67402","sha256:c5696624425f921653000a35f7a0f044a6f70a51fc564b4d1f33103cdb88d635"],"state_sha256":"7e29afdc64429bdf3b18bdd71bbc9b060fe90ab780f3ee19df5d284073b6c41b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"juy7yi6SryIrIwq631WKL6G+uVyZ7Z9n9zk3kXjCyopbTgN9VXKgx1mZWq/8GWUOjqiDfUbnTmg4UNX+/yisCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T13:25:25.235729Z","bundle_sha256":"9010b9198ab4b40b349c5a99c4a85a00d6137c5b46e115e54b9227e8252ed88a"}}