{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5XY5HGS7TA7JSDPH7PO6JAGKRV","short_pith_number":"pith:5XY5HGS7","canonical_record":{"source":{"id":"1204.6055","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-25T16:24:28Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"9035bab189b32f723ad61286a3fe78b37edba4e29bfff2a25fde8d5dfe3db56e","abstract_canon_sha256":"c9aa0073b604b679da9007039c37b6d186ef20db1c3cfa1e8632b9a6344d8fee"},"schema_version":"1.0"},"canonical_sha256":"edf1d39a5f983e990de7fbdde480ca8d573c9a11e0fb59391318bee6aadc24be","source":{"kind":"arxiv","id":"1204.6055","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6055","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6055v2","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6055","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"5XY5HGS7TA7J","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5XY5HGS7TA7JSDPH","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5XY5HGS7","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5XY5HGS7TA7JSDPH7PO6JAGKRV","target":"record","payload":{"canonical_record":{"source":{"id":"1204.6055","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-25T16:24:28Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"9035bab189b32f723ad61286a3fe78b37edba4e29bfff2a25fde8d5dfe3db56e","abstract_canon_sha256":"c9aa0073b604b679da9007039c37b6d186ef20db1c3cfa1e8632b9a6344d8fee"},"schema_version":"1.0"},"canonical_sha256":"edf1d39a5f983e990de7fbdde480ca8d573c9a11e0fb59391318bee6aadc24be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:43.549786Z","signature_b64":"Gwc0susxZoNsAkfAqEz4UrqIHtZHwmVmbr0IobvFWDMyQ5A/3qQHlS484h4mTQ+AcBij0aSavI5i5ozDnrykDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edf1d39a5f983e990de7fbdde480ca8d573c9a11e0fb59391318bee6aadc24be","last_reissued_at":"2026-05-18T01:57:43.549152Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:43.549152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.6055","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":"2026-05-18T01:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/6yMyEkYR6XzuSkRuWG5Pwf9epxV13SLqCRF5BZrvU4QvhhneMsKbs7gWxTbnwWg3KuOSBTbpa5LYpxasZXxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T07:31:36.963107Z"},"content_sha256":"9886ec9048b26fccbc8c7e5298819831ab59b19bafeaf0ef054d34cef4ab7e03","schema_version":"1.0","event_id":"sha256:9886ec9048b26fccbc8c7e5298819831ab59b19bafeaf0ef054d34cef4ab7e03"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5XY5HGS7TA7JSDPH7PO6JAGKRV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Chandra X-ray Survey of Planetary Nebulae (ChanPlaNS): Probing Binarity, Magnetic Fields, and Wind Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"(10) Instituto de Astronomia, (11) School of Physics, (12) Department of Physics, (13) Observatorio Astronomico Nacional, (14) Instituto de Astrof\\'isica de Canarias, 15), (15) Departamento de Astrof\\'isica, (16) NSF Astronomy, (17) Leibniz Institute for Astrophysics Potsdam (AIP), (18) Columbia Astrophysics Laboratory, (19) Dept. of Physics, (20) Departamento de F\\'isica Te\\'orica, (2) Dept. of Astronomy, (3) Department of Physics, (4) South African Astronomical Observatory, 5), (5) Southern African Large Telescope Foundation, (6) Jet Propulsion Laboratory, (7) Dept. of Physics, (8) Dept. of Astronomy, (9) Instituto de Astrof\\'isica de Astronom\\'ia, A. Frank (7), Alcala de Henares, Astronomy, Astrophotonics, Astrophysics, Astrophysics Fellow, A. Zijlstra (11), B. Balick (2), B. Miszalski (4, California Institute of Technology, Center for Computational Relativity, Columbia University, C. Sandin (17), D. J. Frew (3), D. Sch\\\"onberner (17), E. Behar (12), E. Blackman (7), E. Villaver (20) ((1) Center for Imaging Science, Glorieta de la Astronom\\'ia s/n, Gravitation, Israel, J. A. Lopez (10), J. H. Kastner (1), J. L. Sokoloski (18), J. Nordhaus (16), Laboratory for Multiwavelength Astrophysics, Macquarie Research Centre for Astronomy, Macquarie University, M. A. Guerrero (9), M. Steffen (17), N. Soker (12), O. De Marco (3), Q. Parker (3), R. L. M. Corradi (14, R. Montez Jr (1), Rochester Institute of Technology, R. Sahai (6), Spain, Technion, Tenerife, T. Ueta (19), Universidad Aut\\'onoma de Madrid), Universidad de La Laguna, Universidad Nacional Autonoma de Mexico, University of Denver, University of Illinois, University of Manchester, University of Rochester, University of Washington, V. Bujarrabal (13), V. Rapson (1), Y.-H. Chu (8)","submitted_at":"2012-04-25T16:24:28Z","abstract_excerpt":"We present an overview of the initial results from the Chandra Planetary Nebula Survey (ChanPlaNS), the first systematic (volume-limited) Chandra X-ray Observatory survey of planetary nebulae (PNe) in the solar neighborhood. The first phase of ChanPlaNS targeted 21 mostly high-excitation PNe within ~1.5 kpc of Earth, yielding 4 detections of diffuse X-ray emission and 9 detections of X-ray-luminous point sources at the central stars (CSPNe) of these objects. Combining these results with those obtained from Chandra archival data for all (14) other PNe within ~1.5 kpc that have been observed to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6055","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":"2026-05-18T01:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c1Y2Un8c7BQIx33EdCa6+HqmJqgY8VXaKOa6jX38nXuaKuxBXTe95D1voBuf14IFImDcStG0U3O0OyWopymHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T07:31:36.963852Z"},"content_sha256":"2783bfcd7cabe8e0acc7b8b48107be71d20753a23e128690d467b5b55e22849d","schema_version":"1.0","event_id":"sha256:2783bfcd7cabe8e0acc7b8b48107be71d20753a23e128690d467b5b55e22849d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5XY5HGS7TA7JSDPH7PO6JAGKRV/bundle.json","state_url":"https://pith.science/pith/5XY5HGS7TA7JSDPH7PO6JAGKRV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5XY5HGS7TA7JSDPH7PO6JAGKRV/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":"2026-05-22T07:31:36Z","links":{"resolver":"https://pith.science/pith/5XY5HGS7TA7JSDPH7PO6JAGKRV","bundle":"https://pith.science/pith/5XY5HGS7TA7JSDPH7PO6JAGKRV/bundle.json","state":"https://pith.science/pith/5XY5HGS7TA7JSDPH7PO6JAGKRV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5XY5HGS7TA7JSDPH7PO6JAGKRV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5XY5HGS7TA7JSDPH7PO6JAGKRV","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":"c9aa0073b604b679da9007039c37b6d186ef20db1c3cfa1e8632b9a6344d8fee","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-25T16:24:28Z","title_canon_sha256":"9035bab189b32f723ad61286a3fe78b37edba4e29bfff2a25fde8d5dfe3db56e"},"schema_version":"1.0","source":{"id":"1204.6055","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6055","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6055v2","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6055","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"5XY5HGS7TA7J","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5XY5HGS7TA7JSDPH","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5XY5HGS7","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:2783bfcd7cabe8e0acc7b8b48107be71d20753a23e128690d467b5b55e22849d","target":"graph","created_at":"2026-05-18T01:57:43Z","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"},"paper":{"abstract_excerpt":"We present an overview of the initial results from the Chandra Planetary Nebula Survey (ChanPlaNS), the first systematic (volume-limited) Chandra X-ray Observatory survey of planetary nebulae (PNe) in the solar neighborhood. The first phase of ChanPlaNS targeted 21 mostly high-excitation PNe within ~1.5 kpc of Earth, yielding 4 detections of diffuse X-ray emission and 9 detections of X-ray-luminous point sources at the central stars (CSPNe) of these objects. Combining these results with those obtained from Chandra archival data for all (14) other PNe within ~1.5 kpc that have been observed to ","authors_text":"(10) Instituto de Astronomia, (11) School of Physics, (12) Department of Physics, (13) Observatorio Astronomico Nacional, (14) Instituto de Astrof\\'isica de Canarias, 15), (15) Departamento de Astrof\\'isica, (16) NSF Astronomy, (17) Leibniz Institute for Astrophysics Potsdam (AIP), (18) Columbia Astrophysics Laboratory, (19) Dept. of Physics, (20) Departamento de F\\'isica Te\\'orica, (2) Dept. of Astronomy, (3) Department of Physics, (4) South African Astronomical Observatory, 5), (5) Southern African Large Telescope Foundation, (6) Jet Propulsion Laboratory, (7) Dept. of Physics, (8) Dept. of Astronomy, (9) Instituto de Astrof\\'isica de Astronom\\'ia, A. Frank (7), Alcala de Henares, Astronomy, Astrophotonics, Astrophysics, Astrophysics Fellow, A. Zijlstra (11), B. Balick (2), B. Miszalski (4, California Institute of Technology, Center for Computational Relativity, Columbia University, C. Sandin (17), D. J. Frew (3), D. Sch\\\"onberner (17), E. Behar (12), E. Blackman (7), E. Villaver (20) ((1) Center for Imaging Science, Glorieta de la Astronom\\'ia s/n, Gravitation, Israel, J. A. Lopez (10), J. H. Kastner (1), J. L. Sokoloski (18), J. Nordhaus (16), Laboratory for Multiwavelength Astrophysics, Macquarie Research Centre for Astronomy, Macquarie University, M. A. Guerrero (9), M. Steffen (17), N. Soker (12), O. De Marco (3), Q. Parker (3), R. L. M. Corradi (14, R. Montez Jr (1), Rochester Institute of Technology, R. Sahai (6), Spain, Technion, Tenerife, T. Ueta (19), Universidad Aut\\'onoma de Madrid), Universidad de La Laguna, Universidad Nacional Autonoma de Mexico, University of Denver, University of Illinois, University of Manchester, University of Rochester, University of Washington, V. Bujarrabal (13), V. Rapson (1), Y.-H. Chu (8)","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-25T16:24:28Z","title":"The Chandra X-ray Survey of Planetary Nebulae (ChanPlaNS): Probing Binarity, Magnetic Fields, and Wind Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6055","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":"sha256:9886ec9048b26fccbc8c7e5298819831ab59b19bafeaf0ef054d34cef4ab7e03","target":"record","created_at":"2026-05-18T01:57:43Z","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":"c9aa0073b604b679da9007039c37b6d186ef20db1c3cfa1e8632b9a6344d8fee","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-25T16:24:28Z","title_canon_sha256":"9035bab189b32f723ad61286a3fe78b37edba4e29bfff2a25fde8d5dfe3db56e"},"schema_version":"1.0","source":{"id":"1204.6055","kind":"arxiv","version":2}},"canonical_sha256":"edf1d39a5f983e990de7fbdde480ca8d573c9a11e0fb59391318bee6aadc24be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"edf1d39a5f983e990de7fbdde480ca8d573c9a11e0fb59391318bee6aadc24be","first_computed_at":"2026-05-18T01:57:43.549152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:43.549152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Gwc0susxZoNsAkfAqEz4UrqIHtZHwmVmbr0IobvFWDMyQ5A/3qQHlS484h4mTQ+AcBij0aSavI5i5ozDnrykDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:43.549786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.6055","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9886ec9048b26fccbc8c7e5298819831ab59b19bafeaf0ef054d34cef4ab7e03","sha256:2783bfcd7cabe8e0acc7b8b48107be71d20753a23e128690d467b5b55e22849d"],"state_sha256":"755a47384b1a738d17cd91b452e57c0be5240f77c9eee31478d6018b9a59cf13"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ibfkz684M57J2NxxBn0JhntrJCs2Genuv40E70VsBQjXbIaywaKzwCPW+5qwropxSgHeax50tcwfcRZ080wAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T07:31:36.967338Z","bundle_sha256":"d1a7336565321dee9cdff7d05b3139a4fc985f472a34e8afb85569c7b626e09d"}}