{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MCWOGCPJV2VUJVYTGSVQV7R7ZT","short_pith_number":"pith:MCWOGCPJ","canonical_record":{"source":{"id":"1702.04370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-14T19:54:43Z","cross_cats_sorted":[],"title_canon_sha256":"61a069e9355ffe9b13e004efc551393ee1dc20c66e8c500df55ec81ea3a994f2","abstract_canon_sha256":"2b1ff9e99cd52b47c2c010523f62812bce96e7cba317d10d1bc78fd91a8e71d2"},"schema_version":"1.0"},"canonical_sha256":"60ace309e9aeab44d71334ab0afe3fccd9ccedfe49fcc87b0cac4715f8d46d3e","source":{"kind":"arxiv","id":"1702.04370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04370","created_at":"2026-05-18T00:33:52Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04370v1","created_at":"2026-05-18T00:33:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04370","created_at":"2026-05-18T00:33:52Z"},{"alias_kind":"pith_short_12","alias_value":"MCWOGCPJV2VU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MCWOGCPJV2VUJVYT","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MCWOGCPJ","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MCWOGCPJV2VUJVYTGSVQV7R7ZT","target":"record","payload":{"canonical_record":{"source":{"id":"1702.04370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-14T19:54:43Z","cross_cats_sorted":[],"title_canon_sha256":"61a069e9355ffe9b13e004efc551393ee1dc20c66e8c500df55ec81ea3a994f2","abstract_canon_sha256":"2b1ff9e99cd52b47c2c010523f62812bce96e7cba317d10d1bc78fd91a8e71d2"},"schema_version":"1.0"},"canonical_sha256":"60ace309e9aeab44d71334ab0afe3fccd9ccedfe49fcc87b0cac4715f8d46d3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:52.596420Z","signature_b64":"aPr21UzOf+YCDUKfu2NyThSQR/6CMUl8gN1QZlpMzJutTlSft/leoVWhZN+i+3xQMdVi1/OK9n2dC6+Am1CpDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60ace309e9aeab44d71334ab0afe3fccd9ccedfe49fcc87b0cac4715f8d46d3e","last_reissued_at":"2026-05-18T00:33:52.595726Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:52.595726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.04370","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":"2026-05-18T00:33:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/kh8evYpe4ZxnPyTmqLoBZe4NKAE6TcZg8wR7bkp4Qv5DrznXENzJ6npWtciPZpsEGLWLIihFHD02PGee6mSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:31:18.151355Z"},"content_sha256":"2db5d0912df12d07687561f78c246430e05acc1d9e4b4d31210e2d1c4344bd2b","schema_version":"1.0","event_id":"sha256:2db5d0912df12d07687561f78c246430e05acc1d9e4b4d31210e2d1c4344bd2b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MCWOGCPJV2VUJVYTGSVQV7R7ZT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray and radio observations of the magnetar SGR J1935+2154 during its 2014, 2015, and 2016 outbursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"(2) ASTRON, 3), (3) University of Amsterdam, (4) Rice University, (5) NASA/Goddard, (6) The Open University, (7) New York University, (8) Sabanc{\\i} University, (9) Beijing Normal University), Alexander J. van der Horst (1), Alice K. Harding (5), Amruta Jaodand (2, Chryssa Kouveliotou (1), Daniela Huppenkothen (7), Ersin G\\\"o\\u{g}\\\"u\\c{s} (8), George Younes (1), Jason W. T. Hessels (2, Jonathan Granot (6), Lin Lin (9) ((1) GWU, Matthew G. Baring (4), Neil Gehrels (5), Ramandeep Gill (6)","submitted_at":"2017-02-14T19:54:43Z","abstract_excerpt":"We analyzed broad-band X-ray and radio data of the magnetar SGR J1935+2154 taken in the aftermath of its 2014, 2015, and 2016 outbursts. The source soft X-ray spectrum <10 keV is well described with a BB+PL or 2BB model during all three outbursts. NuSTAR observations revealed a hard X-ray tail, $\\Gamma=0.9$, extending up to 79 keV, with flux larger than the one detected <10 keV. Imaging analysis of Chandra data did not reveal small-scale extended emission around the source. Following the outbursts, the total 0.5-10 keV flux from SGR J1935+2154 increased in concordance to its bursting activity,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04370","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":"2026-05-18T00:33:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XqH8k4YEJnTKdeDm7J7UGQlG3ES1I5NrKs9apFyj7PLDO+GaaAjlD/SdHPAhV5UXgjhz6RW9CiN4R05P6Fh/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:31:18.151966Z"},"content_sha256":"ae871dc4a67c51a2140f31350e1f87f0480ae200e1f58ddfd8480d5b309b1691","schema_version":"1.0","event_id":"sha256:ae871dc4a67c51a2140f31350e1f87f0480ae200e1f58ddfd8480d5b309b1691"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MCWOGCPJV2VUJVYTGSVQV7R7ZT/bundle.json","state_url":"https://pith.science/pith/MCWOGCPJV2VUJVYTGSVQV7R7ZT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MCWOGCPJV2VUJVYTGSVQV7R7ZT/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":"2026-06-05T21:31:18Z","links":{"resolver":"https://pith.science/pith/MCWOGCPJV2VUJVYTGSVQV7R7ZT","bundle":"https://pith.science/pith/MCWOGCPJV2VUJVYTGSVQV7R7ZT/bundle.json","state":"https://pith.science/pith/MCWOGCPJV2VUJVYTGSVQV7R7ZT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MCWOGCPJV2VUJVYTGSVQV7R7ZT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MCWOGCPJV2VUJVYTGSVQV7R7ZT","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":"2b1ff9e99cd52b47c2c010523f62812bce96e7cba317d10d1bc78fd91a8e71d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-14T19:54:43Z","title_canon_sha256":"61a069e9355ffe9b13e004efc551393ee1dc20c66e8c500df55ec81ea3a994f2"},"schema_version":"1.0","source":{"id":"1702.04370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04370","created_at":"2026-05-18T00:33:52Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04370v1","created_at":"2026-05-18T00:33:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04370","created_at":"2026-05-18T00:33:52Z"},{"alias_kind":"pith_short_12","alias_value":"MCWOGCPJV2VU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MCWOGCPJV2VUJVYT","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MCWOGCPJ","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:ae871dc4a67c51a2140f31350e1f87f0480ae200e1f58ddfd8480d5b309b1691","target":"graph","created_at":"2026-05-18T00:33:52Z","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 analyzed broad-band X-ray and radio data of the magnetar SGR J1935+2154 taken in the aftermath of its 2014, 2015, and 2016 outbursts. The source soft X-ray spectrum <10 keV is well described with a BB+PL or 2BB model during all three outbursts. NuSTAR observations revealed a hard X-ray tail, $\\Gamma=0.9$, extending up to 79 keV, with flux larger than the one detected <10 keV. Imaging analysis of Chandra data did not reveal small-scale extended emission around the source. Following the outbursts, the total 0.5-10 keV flux from SGR J1935+2154 increased in concordance to its bursting activity,","authors_text":"(2) ASTRON, 3), (3) University of Amsterdam, (4) Rice University, (5) NASA/Goddard, (6) The Open University, (7) New York University, (8) Sabanc{\\i} University, (9) Beijing Normal University), Alexander J. van der Horst (1), Alice K. Harding (5), Amruta Jaodand (2, Chryssa Kouveliotou (1), Daniela Huppenkothen (7), Ersin G\\\"o\\u{g}\\\"u\\c{s} (8), George Younes (1), Jason W. T. Hessels (2, Jonathan Granot (6), Lin Lin (9) ((1) GWU, Matthew G. Baring (4), Neil Gehrels (5), Ramandeep Gill (6)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-14T19:54:43Z","title":"X-ray and radio observations of the magnetar SGR J1935+2154 during its 2014, 2015, and 2016 outbursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04370","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":"sha256:2db5d0912df12d07687561f78c246430e05acc1d9e4b4d31210e2d1c4344bd2b","target":"record","created_at":"2026-05-18T00:33:52Z","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":"2b1ff9e99cd52b47c2c010523f62812bce96e7cba317d10d1bc78fd91a8e71d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-14T19:54:43Z","title_canon_sha256":"61a069e9355ffe9b13e004efc551393ee1dc20c66e8c500df55ec81ea3a994f2"},"schema_version":"1.0","source":{"id":"1702.04370","kind":"arxiv","version":1}},"canonical_sha256":"60ace309e9aeab44d71334ab0afe3fccd9ccedfe49fcc87b0cac4715f8d46d3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60ace309e9aeab44d71334ab0afe3fccd9ccedfe49fcc87b0cac4715f8d46d3e","first_computed_at":"2026-05-18T00:33:52.595726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:52.595726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aPr21UzOf+YCDUKfu2NyThSQR/6CMUl8gN1QZlpMzJutTlSft/leoVWhZN+i+3xQMdVi1/OK9n2dC6+Am1CpDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:52.596420Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.04370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2db5d0912df12d07687561f78c246430e05acc1d9e4b4d31210e2d1c4344bd2b","sha256:ae871dc4a67c51a2140f31350e1f87f0480ae200e1f58ddfd8480d5b309b1691"],"state_sha256":"f187ffd585cbf2b6e5dbb48740ce41f9a4ebcff77e290685c78cbbaae973558f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YZBjRqhx8srxyBEZizHFuvfOG107cChDTHUA30fGuUFydUOrYCQaC84JKwhgXVMbR4FKz8GOutZGkpmBitRlCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T21:31:18.154360Z","bundle_sha256":"c6da0769590c7fdb75356e818eea7f8af255d2fb9137171a197f4319a7d19f98"}}